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Equivalence Files

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ZIP Code to County & Metro Equivalence Table

Decision-Making Information
  information resources & solutions
  (888) DMI-SOLN
  (888) 364-7656

Visual demographic analysis
  .. drill-down to block-intersection
  .. partial list, organized by state

Visual analysis with ProximityOne tools
click graphic for info; hover to pause

visually analyze clients/markets
site analysis using 1 mile radius


$median household income
patterns by census tract - Houston

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113th Congressional Districts

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US Asian Indian population 2010

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geocoded students and school
McKinney ISD, TX

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geocoded students and school
with tax parcels & streets

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high school attendance zones
with schools by type

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%high school graduates by
census tract - Puerto Rico

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Austin, TX MSA counties &
places 10K+ population markers

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Appalachia counties (green) &
coalfield counties (orange)

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China provinces percent urban &
cities (markers) by state plan

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Honolulu census tracts (red)
& census blocks

Central Park area NYC

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Kansas City Metro & Counties
Home Depot locations (markers)

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World Cities; focus on Spain

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Data Analytics Blog
Power of Combining Maps with Data

Support & Technical Assistance
help using these resources
Use the ZIP code equivalence table in this section to determine the county and metropolitan area in which 5-digit ZIP codes of interest are located.

August 2016. The ZIP Code to County to Metro data have been updated and extended. See the new column/field structure below in this section. These new and extended data are now available on a subscription basis as a downloadable spreadsheet file or interactive table similar to the table shown below. See more about these options in this section.

Use ZIP Code/Census Tract demographic-economic profiles with integrated map showing patterns of neighborhood economic prosperity. See see example for ZIP code 85258.

The ZIP code equivalence table meets many needs. Your needs may be similar but different. One alternative is the ProximityOne address-to-county/metro coding service. We can process your address file, assigning codes, county name and metro name to each address record, and return your original address records/file with those attributes appended. Read more below in this section.

ZIP Code Geographic-Demographic-Economic Updates scroll section
General updates

10.20.15. Mapping ZIP Code Demographics
  • tools and data resources for analyzing ZIP Code area patterns
  • interactive table & GIS applications
  • see

06.10.15. ZIP Code Demographic-Economic Profiles
  • structured profiles/datasets for each/all ZIP code areas; examples:
  • integrated neighborhood patterns of economic prosperity maps; examples:
    - 33426 Boynton Beach, FL ... 60565 Naperville, IL ... 77019 Houston, TX
  • get your ZIP code area profile; request ZIP code profile in text section
  • compare with other geography --

02.10.15. Guide to ZIP Code Area Geographic-Demographic-Economic Data Resources
  • multi-sourced ZIP code geographic-demographic-economic data and access/analysis tools

10.10.14. ZIP Code Urban/Rural Patterns
  • total, urban, rural population & housing; geographic area; population density
  • interactive table:

09.15.14. View ZIP Code Areas in Context of Google Maps API
  • example: Washington, DC by ZIP Code
  • example: Kansas City, MO-KS Area by ZIP Code
  • use Shp2XML to create your own

01.15.14. ZIP Code Richer Demographic-Economic Data (ACS 2012)
  • View/rank/query/compare ZIP Codes using interactive ranking tables:
  • Use underlying dataset on your computer: ZIP Code Demographic-Economic Dataset.

08.19.13. ZIP Code Business Characteristics
  • 2001 and 2011 business establishments by ZIP Code.
  • Interactive analysis table: establishments, employment, payroll.
  • Based on employer reported data.
  • Examine in context with demographics.
    -- see more

08.14.13. Mapping ZIP Code Areas of Interest
  • Create custom maps showing ZIP Code areas in context with OpenStreetMap and roads/streets.
  • View ZIP Code areas in context of counties and metros.
  • Optionally add political areas (e.g., cities, counties, congressional districts, other) to map view.
  • Optionally add statistical areas (e.g. census tracts, census blocks, metros, other) to map view.
  • Optionally integrate demographic-economic data for thematic mapping and pattern analysis.
  • Start using the CV XE GeoGateway feature:
    -- about GeoGateway ... run CV XE installer

02.13.13. Block Group-ZIP Code Equivalence Table; Work Force Analysis
  • Use interactive table to examine what block groups intersect with ZIP codes of interest.
  • Examine labor force characteristics by block group and ZIP code area.
  • See

12.07.12. ZIP Code Richer Demographic-Economic Data (ACS 2011 )
  • View/rank/query/compare ZIP Codes using interactive ranking tables:
  • Use underlying dataset on your computer: ZIP Code Demographic-Economic Dataset.


Using the Interactive ZIP Code Equivalence/Look-up Table
The interactive equivalence/look-up table below shows all U.S. 5-digit ZIP codes sorted first by state-county (FIPS) code and then by ZIP code (within county). View ZIP codes in one state using the State selection button. To locate a ZIP code of interest, either use the Find ZIP query or sort on the ZIP code column and then scroll down the table until the ZIP of interest is located.

Each row/line shows the ZIP code, state-county code, county name, core-based statistical area (CBSA) code and name, CBSA type (MSA or MISA) and metropolitan division (MD) code and name. Only some MSAs, meeting certain conditions, have component MDs. For ZIPs with no CBSA, the ZIP code is not located in a metropolitan area.

The Find ZIP start value uses ZIP 43060 to illustrate a ZIP code located in multiple counties and multiple metros. See details The Multi column shows the sequence number of the county in which the ZIP is located (00 if one county).

Illustrating Intersection of ZIP Code Area 85258 with Census Tracts

Demographic-Economic Profiles for ZIP Code 85258 and Tract 04013216813
  • ZIP Code Area 85258 -- Scottsdale, AZ area
  • Census Tract 04013216813 -- Scottsdale, AZ area
  • Get profiles for any area: census tract, ZIP code area, city, place, school district.

ZIP Code Area to County to Metro Data Subscription Options
There are two options to order the ZIP Code - County - Metro Data. These data are generally updated annually.

Option 1 -- Data File. Order the spreadsheet file for download and use on your computer with your software.
The file is provided for a one-time fee for perpetual use. Optionally re-purchase the file at any time in the future for an update; same fee.
Item Description Price Click to Order
Z2CM1 ZIP Code Area to County and Metro; Single User; Perpetual Use License $495

Option 2 -- Online. Subscribe to the interactive table similar to the table and operation shown below.
You receive login instructions and have 24x7 access. This service is an annual subscription continuing through the start-up month for 12 additional months.
Item Description Price Click to Order
Z2CM2 ZIP Code Area to County and Metro; Annual Online Service Subscription $495

ZIP Code - County - Metro Equivalence Interactive Table
  The following interactive table is illustrative and includes only California ZIP codes.
  See licensing options described above to access full national scope ZIP Code area coverage.
  Click column header to sort; click again to sort other direction.   See related Ranking Tables Main Page

Multi-County, Multi-Metro ZIP Code Areas
Multi-area county and metro ZIP codes ... 30,422 ZIP codes existed as ZIP codes totally within one county (includes ZIP code areas, post office delivery locations, other fixed address delivery locations). In addition, 10,839 ZIP codes were located in two or more counties, making for a total of 41,241 unique 5-digit ZIP codes. There are many instances where ZIP code areas cross county boundaries. The equivalence table includes 55,685 ZIP codes, reflecting the occurrence of the ZIP code for each county/metro in which it was located. The following map shows ZIP code 43060 (yellow fill color) that is partly contained in three counties (names as blue labels). This view also shows that a ZIP code can be in multiple metros; each of these three counties are in different metros (names as yellow labels). The second graphic shows these ZIP codes in a tabular view.

Extended Data and Other Lookups/Equivalencing
The same data shown in this table are also available for 7- and 9-digit ZIP codes. These data are not included in the ranking table for reasons of size and typical usage. The 2.8 million record dataset can be processed with a special look-up and code assignment program. Register using this form for information on more detailed data and related software (note special interest ZIP code equivalencing in text section).

ZIP Code Equivalence Files
The following 2010 ZIP Code (ZCTA) equivalence/relationship files are available. Contact us for details (888-364-7656).
  • ZIP to County
  • ZIP to County Subdivision
  • ZIP to Place
  • ZIP to Census Tract
  • ZIP to Congressional District
  • ZIP to Metropolitan and Micropolitan Statistical Areas

Address-to-County/Metro Coding Service
Use the ProximityOne address-to-county/metro coding service to have county, metro and more assigned to your address records. We process your address file, assigning codes, county name and metro name to each address record, and return your original address records/file with those attributes appended. Coding the address to census block, rather than using ZIP code to county only, provides a much more accurate method of assigning/associating your addresses to a county/metro or other area. No learning curve, fast turnaround. Contact us for more information (888-364-7656).

Sample input file (scroll section)
Provide your address file in CSV or XLS structured like shown below.
Store 0003,2888 Brice Road,Columbus,OH,43232
Store 0004,2700 Rainier Avenue South,Seattle,WA,98144
Store 0005,4817 North Kickapoo Street,Shawnee,OK,74804
Store 0008,201 Conley Road North,Columbia,MO,65201
Store 0009,2168 Us 68 South,Bellefontaine,OH,43311
Store 0010,101 Andover Park East,Tukwila,WA,98188
Store 0012,100 North Creasy Lane,Lafayette,IN,47905
Store 0015,1055 W Antelope Drive,Layton,UT,84041
Store 0016,550 Island Ford Road,Madisonville,KY,42431
Store 0018,901 Appleway Avenue,Coeur D Alene,ID,83814
Store 0019,1952 North State,Fremont,OH,43420
Store 0021,270 Dairy Road,Kahului,HI,96732
Store 0022,1755 Quentin Road,Lebanon,PA,17042
Store 0026,2701 South Orchard Street,Tacoma,WA,98466
Store 0028,3620 Emmett F Lowry Expway,Texas City,TX,77590
Store 0031,1415 7Th Avenue E,Hendersonville,NC,28792
Store 0033,955 Bullsboro Drive,Newnan,GA,30265
Store 0035,1717 Freeway Drive,Mount Vernon,WA,98273
Store 0037,3600 Park Mill Run Drive,Hilliard,OH,43026
Store 0040,11959 Northupway,Bellevue,WA,98005
Store 0042,5252 Salem Avenue,Trotwood,OH,45426
Store 0044,4115 Mall Drive,Steubenville,OH,43952
Store 0046,1300 Mall Drive,Benton Harbor,MI,49022
Store 0049,13225 Beach Blvd,Westminster,CA,92683
Store 0052,3636 North Vermillion,Danville,IL,61832
Store 0053,4430 Illinois Road,Fort Wayne,IN,46804
Store 0056,14873 Carmenita Road,Norwalk,CA,90650
Store 0057,3435 Agency,Burlington,IA,52601
Store 0059,2050 Sycamore Road,Dekalb,IL,60115
Store 0061,3300 169Th Place Ne,Arlington,WA,98223
Store 0063,3315 North Loop 250 W,Midland,TX,79707
Store 0066,111 Davidson Avenue,Mount Vernon,IL,62864
Store 0069,"6122 ""B"" Drive North",Battle Creek,MI,49014
Store 0071,2219 Rieth Boulevard,Goshen,IN,46526
Store 0072,3500 North 14Th Street,Ponca City,OK,74601
Store 0075,3301 Kell Blvd,Wichita Falls,TX,76308
Store 0077,5500 Milan Road ,Sandusky,OH,44870
Store 0080,1904 North Prospect Avenue,Champaign,IL,61822
Store 0082,3501 South Medford,Lufkin,TX,75901
Store 0086,3565 Holland Road,Virginia Beach,VA,23452
Store 0088,1369 Division Street,Adrian,MI,49221
Store 0089,2850-I Centre Drive,Fairborn,OH,45324
Store 0090,5301 Sherwood Way,San Angelo,TX,76904
Store 0091,1800 South Parkway,Corinth,MS,38834
Store 0092,531 West Carl Sandburg Drive,Galesburg,IL,61401
Store 0095,4120 Dowlen Road,Beaumont,TX,77706
Store 0097,5002 Garth Road,Baytown,TX,77521
Store 0098,19935 Katy Freeway,Houston,TX,77094
Store 0102,1701 South Havana Street,Aurora,CO,80012
Store 0103,3225 Freedom Blvd,Bryan,TX,77802

Coded Output File (scroll section)
The output file was generated by processing the above input file is shown as a graphic below. Note that it includes the original columns plus census block code, median household income for the block group where address is located, county code and name, metro (CBSA) code, type and name. The median household income is based on the latest estimate available from the American Community Survey. Alternative or additional demographic items may be added.

Shapefile & Map
A shapefile is created as the addresses are coded. The graphic below shows the address locations as red markers. See your address coded data shown in a map view. Optionally use this shapefile in GIS applications. The larger view (click graphic) shows metro boundaries.

Click graphic for larger view and details.

Demographic-Economic Profile Geocodes
To order a demographic-economic profile (see above) for cities, counties or school districts, get codes to use in order form from lists provided here:
  • City -- 7 character state-city code - example: the code for Houston, TX is 0100124
  • County -- 5 character state-county code - example: the code for Harris County, TX is 48201
  • School District - 7 character state-school district code - example: the code for Harris ISD, TX is 4823640

ZIP Code-County-Metro/CBSA Equivalence file
The following items as included in the new interactive table and data file.
STCTYState and County FIPS Code
CTYNAMECounty Name
STABUSPS State abbreviation
CBSACore-Based Statistical Area Code
MDMetropolitan Division Code
CTYPOP15County Population 2015
Latest official Census estimate, released 2016
CBSAPOP15CBSA Population 2015
Latest official Census estimate, released 2016

ProximityOne User Group
Join the ProximityOne User Group to keep up-to-date with new developments relating to metros and component geography decision-making information resources. Receive updates and access to tools and resources available only to members. Use this form to join the User Group.

Support Using these Resources
Learn more about small area demographic-economic characteristics, ZIP code geographic drill-down and related analytical tools. Join us in a Decision-Making Information Web session. There is no fee for these one-hour Web sessions. Each informal session is focused on a specific topic. The open structure also provides for Q&A and discussion of application issues of interest to participants.

Additional Information
ProximityOne develops geographic-demographic-economic data and analytical tools and helps organizations knit together and use diverse data in a decision-making and analytical framework. We develop custom demographic/economic estimates and projections, develop geographic and geocoded address files, and assist with impact and geospatial analyses. Wide-ranging organizations use our tools (software, data, methodologies) to analyze their own data integrated with other data. Follow ProximityOne on Twitter at Contact ProximityOne (888-364-7656) with questions about data covered in this section or to discuss custom estimates, projections or analyses for your areas of interest.

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