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Spencer, IA MISA Regional Analytics
  -- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015
Natural Change 67
  equals Births 1,010
  less Deaths 943
Net Migration -166
  equals net International Migration 12
  plus net Domestic Migration -178

The population of the Spencer, IA MISA changed from 16,633 on 2010 to 16,507 in 2015 -- a change of -126 (-0.76%). This report provides a summary of how and why the population has changed during this period and what these factors suggest about future change.

Primary Contributing Factors to Change
The primary contributing factors resulting in population change are 1) natural change (births less deaths) and/or 2) net migration. Eight tables are presented below providing annual data for each component county of the metro and metro summary. The tables provide data on the total population, births, deaths, natural change (births less deaths), international migration, domestic migration and net migration.

From 2010 to 2015 (7/1/2010-6/30/2015), natural change (67) was not enough to offset outbound net migration (-166); outbound net migration has been the primary contributing factor for the total metro population change. Examine the metro by county tables below to learn about how each county contributes to the metro population growth or decline.

Data Analytics Lab Sessions
Join in the weekly Data Analytics Lab sessions (Tuesdays, 3:00 pm ET) where we review demographic-economic characteristics and patterns for wide-ranging geography and updates/extensions to data provided here. No fee, no registration, see connectivity details.

Related Sections
  • Spencer, IA MISA S&O Report
  • State of the States -- all states interactive table
  • Metro S&O Reports -- all metros interactive table
  • CountyTrends 2010-2015 -- all counties interactive table
  • CountyTrends -- multi-sourced county data
  • Regional Data Analytics Main

Table 1. Population          
Area NameGeoIDItem201020112012201320142015Chg 10-15%Chg 10-15
Clay County, IA19041P0000001 16,633 16,609 16,571 16,478 16,520 16,507 -126 -0.76
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041B0000001 220 198 179 225 195 213 1,010 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041D0000001 236 194 193 191 193 172 943 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041NC000001 -16 4 -14 34 2 41 67 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041MI000001 0 0 2 2 4 4 12 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041MD000001 -120 -22 -24 -139 48 -41 -178 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Clay County, IA19041MN000001 -120 -22 -22 -137 52 -37 -166 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Clay County, IA19041GQ000001 234 250 247 253 253 253 19 8.12

Source: developed by ProximityOne based on Census Bureau and other data.
  -- http://proximityone.com (888.364.7656)