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

Components of Change: 7/1/2010-6/30/2015
Natural Change 384
  equals Births 2,822
  less Deaths 2,438
Net Migration -772
  equals net International Migration 331
  plus net Domestic Migration -1,103

The population of the Ottumwa, IA MISA changed from 44,416 on 2010 to 43,942 in 2015 -- a change of -474 (-1.07%). 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 (384) was not enough to offset outbound net migration (-772); 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
  • Ottumwa, 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
Davis County, IA19051P0000001 8,771 8,752 8,689 8,749 8,752 8,769 -2 -0.02
Wapello County, IA19179P0000001 35,645 35,437 35,356 35,371 35,240 35,173 -472 -1.32
Total P0000001 44,416 44,189 44,045 44,120 43,992 43,942 -474 -1.07
Table 2. Births          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051B0000001 116 132 139 126 144 135 676 
Wapello County, IA19179B0000001 440 449 410 417 449 421 2,146 
Total B0000001 556 581 549 543 593 556 2,822 
Table 3. Deaths          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051D0000001 56 90 85 95 59 77 406 
Wapello County, IA19179D0000001 312 404 404 398 430 396 2,032 
Total D0000001 368 494 489 493 489 473 2,438 
Table 4. Natural Change          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051NC000001 60 42 54 31 85 58 270 
Wapello County, IA19179NC000001 128 45 6 19 19 25 114 
Total NC000001 188 87 60 50 104 83 384 
Table 5. International Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051MI000001 0 0 0 0 0 0 0 
Wapello County, IA19179MI000001 60 52 61 67 75 76 331 
Total MI000001 60 52 61 67 75 76 331 
Table 6. Domestic Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051MD000001 16 -66 -116 29 -95 -46 -294 
Wapello County, IA19179MD000001 -84 -297 -140 -53 -216 -103 -809 
Total MD000001 -68 -363 -256 -24 -311 -149 -1,103 
Table 7. Net Migration          
Area NameGeoIDItem201020112012201320142015Sum11-15 
Davis County, IA19051MN000001 16 -66 -116 29 -95 -46 -294 
Wapello County, IA19179MN000001 -24 -245 -79 14 -141 -27 -478 
Total MN000001 -8 -311 -195 43 -236 -73 -772 
Table 8. Group Quarters          
Area NameGeoIDItem201020112012201320142015Chg10-15%Chg 10-15
Davis County, IA19051GQ000001 124 108 117 106 85 86 -38 -30.65
Wapello County, IA19179GQ000001 867 848 828 827 821 821 -46 -5.31
Total GQ000001 991 956 945 933 906 907 -84 -8.48

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