Population
35,210
2025
−0.4% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Wapello County had an estimated 35,210 residents in 2025, down 0.4% (124 fewer people) since 2020. That is slower than Iowa as a whole (+1.5%), and the 37th fastest growth of 99 counties in Iowa.
Data as of 2025 · updated
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35,210
2025
−0.4% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
−381
2025
−10.8 per 1,000 residents
−1,091 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
4.3%
2025
+0.7 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
42
2025
+82.6% since 2021
1.2 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$64,766
2020–24
+39.5% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
12,594
2023
−11.5% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration was negative in 2025: 381 more people moved out to other U.S. counties than moved in.
Private employers had 12,594 paid employees in mid-March 2023, −11.5% since 2018 (County Business Patterns).
Unemployment averaged 4.3% in 2025, 0.7 points higher than in 2019 (before the pandemic).
Builders were authorized to start 42 new homes in 2025, or 1.2 per 1,000 residents.
Median household income was $64,766 in the 2020–24 American Community Survey, +39.5% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,001st.
Part of the Ottumwa, IA micro area.
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| Year | Population | Change |
|---|---|---|
| 2025 | 35,210 | −219 |
| 2024 | 35,429 | +50 |
| 2023 | 35,379 | +297 |
| 2022 | 35,082 | −226 |
| 2021 | 35,308 | −26 |
| 2020 | 35,334 | – |
Census Bureau population estimates, July 1 of each year.
Wapello County lost 124 people since 2020; the biggest drag was domestic migration (−1,091).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +18 | −29 | |
| International migrationfrom and to other countries | +144 | +986 | |
| Domestic migrationfrom and to other U.S. counties | −381 | −1,091 | |
| Census adjustmentbalancing residual | +0 | +10 | |
| Total change | −219 | −124 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Iowa | Among U.S. counties |
|---|---|---|
| Population growth | 37th of 99 | 2,001st of 3,107 |
| Net domestic migration per 1,000 residents | 94th of 99 | 2,896th of 3,108 |
| Private-sector job growth | 90th of 99 | 2,866th of 3,092 |
| Median household income | 79th of 99 | 1,630th of 3,107 |
| Lowest unemployment rate | 95th of 99 | 1,899th of 3,108 |
| New homes permitted per 1,000 residents | 63rd of 99 | 1,966th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
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Over 2020–25, Wapello County's population change (−0.4%) was ahead of 6 of its 7 neighbouring counties and behind 1 (Davis County).
3 of its 7 neighbouring counties had a higher median household income than Wapello County's $64,766 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Wapello County, IA This county | 35,210 | −0.4% | −10.8 | 1.2 | $64,766 |
| Davis County, IA | 9,230 | +1.3% | −3.4 | 0.1 | $77,194 |
| Mahaska County, IA | 21,880 | −1.2% | −1.3 | 3.0 | $70,940 |
| Keokuk County, IA | 9,797 | −2.0% | 3.2 | 0.1 | $62,329 |
| Monroe County, IA | 7,406 | −2.6% | 8.4 | 1.6 | $70,996 |
| Jefferson County, IA | 15,291 | −2.5% | −16.7 | 0.1 | $61,620 |
| Van Buren County, IA | 7,131 | −1.2% | −7.0 | 0.7 | $61,161 |
| Appanoose County, IA | 12,077 | −1.7% | 1.9 | 0.9 | $54,934 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
No. Its population fell 0.4% between 2020 and 2025, about 124 fewer people (Census Bureau population estimates). Iowa as a whole changed +1.5% over the same years. That ranks 37th of 99 counties in Iowa for population growth.
On net, none in 2025: about 381 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
It averaged 4.3% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 35,210 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 12,594 paid employees in mid-March 2023, −11.5% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Iowa county pages carry the public federal growth figures.
Email me when Wapello County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.