Jasper County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 17th-largest in Iowa
The population of Jasper County, Iowa is 37,864 as of the 2023 American Community Survey, making it the 17th-largest county in Iowa. The median household income is $70,128, the median home value is $176,800, and the median age is 41.4.
The population of Jasper County has grown 3.5% since 2010 (36,810 → 38,107), a +0.25% annualized rate.
37,864
Population
+0.25%
Annual growth
52
People / sq mi
$70,128
Median Income
$176,800
Median Home Value
Jasper County covers 730 sq mi of land at 51.8 people per square mile.
About Jasper County, IA
The poverty rate is what most separates Jasper County from the typical county: 5.2% of residents live below the federal poverty line, against 12.4% nationally. Jasper County is a county in Iowa with a population of 37,864. It ranks #17 among counties in Iowa by population.
Median household income is $70,128, below the US median of $78,538. Only 5.2% of residents live in poverty, below the national 12.4%. The typical home is valued at $176,800, with typical rent around $822.
19.9% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 9.4%, and the average commute runs about 24 minutes each way.
Jasper County Population History (2010-2024)
The county of Jasper County had a population of 36,810 in 2010 and 38,107 in 2024, a 3.5% growth over 14 years. The peak was 38,107 in 2024. Average annual growth rate: 0.25%.
38,107
Population (2024)
36,810
Population (2010)
38,107
Peak (2024)
0.25%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 36,810 |
| 2011 | 36,624 |
| 2012 | 36,583 |
| 2013 | 36,739 |
| 2014 | 36,891 |
| 2015 | 36,762 |
| 2016 | 36,722 |
| 2017 | 36,997 |
| 2018 | 37,121 |
| 2019 | 37,171 |
| 2020 | 37,818 |
| 2021 | 37,887 |
| 2022 | 37,966 |
| 2023 | 37,991 |
| 2024 | 38,107 |
Race & Ethnicity
| White | 92.8% |
| Black or African American | 1.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
41.4
Median Age
47.7%
Female
52.3%
Male
19.3%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 19.3%
Income & Poverty
| Median household income | $70,128$-3,019 vs state |
| Mean household income | $93,350 |
| Per-capita income | $37,380 |
| Poverty rate | 5.2%-1.7% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 59.4% |
Top Industries by Employment
The largest employment sector in Jasper County is professional & business services, accounting for 21.2% of workers.
How residents commute
0.0%
Drive alone
2.9%
Carpool
79.0%
Public transit
9.4%
Work from home
23.5 min
Avg commute
Housing
$176,800$-19,100 vs state
Median home value
$822
Median rent
74.8%
Homeownership rate
16,208
Total housing units
91.0%
Occupied
9.0%
Vacant
25.2%
Renter-occupied
Social & access
95.9%
With health insurance
93.4%
With broadband internet
17.2%
Foreign-born
7.6%
Veterans (18+)
14.0%
With a disability
95.3%
Speak language other than English at home
Education
93.4%
High School+
19.9%
Bachelor's+
Largest cities in Iowa
Other counties in Iowa
Part of Iowa
Metro areas in Iowa
County rankings
Frequently Asked Questions
Jasper County, Iowa has a population of 37,864 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 17th-largest county in Iowa. Population density is 52 people per square mile.
The population of Jasper County has grown 3.5% since 2010 (36,810 → 38,107), a +0.25% annualized rate.
The median household income in Jasper County, Iowa is $70,128, with mean (average) household income of $93,350 and per-capita income of $37,380. 5.2% of residents live below the federal poverty level.
In Jasper County, the largest racial and ethnic groups are White (92.8%), Black or African American (1.6%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jasper County, Iowa is 41.4 years. Residents are 47.7% female and 52.3% male.
The median home value in Jasper County is $176,800 and median monthly rent is $822. 74.8% of occupied housing units are owner-occupied. The county has 16,208 total housing units, 9.0% of which are vacant.
The largest employment sector in Jasper County, Iowa is professional, scientific, and management services, employing 21.2% of workers. The unemployment rate is 3.1%.
Des Moines is among the largest cities associated with Jasper County, Iowa, with a population of 212,464.
More from Iowa
Population 497,441
Population 229,463
Population 174,302
Population 154,881
Full rankings of Iowa counties
Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.