Population 37,954 · Census ACS 2020–24
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Population and households in Jasper County
Household size in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.32 | 2.51 | 2.44 | 2.68 |
| 2010–14 | 2.40 | 2.56 | 2.45 | 2.73 |
| 2015–19 | 2.42 | 2.55 | 2.43 | 2.71 |
| 2020–24 | 2.44 | 2.52 | 2.43 | 2.65 |
| Change | +0.13 | +0.01 | −0.01 | −0.03 |
Households in Jasper County run small, averaging 2.44 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has climbed from 2.32 in 2006–10, even as the national average fell. Households are largest in the northeast and smallest in the center.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 41.4 | 36.2 | 38.8 | 37.7 |
| 2010–14 | 41.8 | 36.7 | 39.3 | 38.6 |
| 2015–19 | 42.5 | 37.2 | 39.7 | 39.6 |
| 2020–24 | 41.6 | 37.6 | 39.8 | 40.1 |
| Change | +0.2 | +1.4 | +1.0 | +2.3 |
The median resident of Jasper County is 41.6 years old, a bit older than the national median of 40.1. The youngest areas are in the west, the oldest in the north.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.1% | 10.2% | 9.5% | 12.3% |
| 2010–14 | 10.6% | 11.1% | 9.9% | 12.3% |
| 2015–19 | 10.4% | 10.9% | 10.0% | 11.6% |
| 2020–24 | 10.4% | 11.2% | 10.0% | 11.6% |
| Change | −0.7 pts | +0.9 pts | +0.6 pts | −0.6 pts |
Single parents head about one in ten households in Jasper County (10.4%), a little below the national share of 11.6%. That is in line with the rest of the Des Moines area. Since 2006–10, the single-parent share has edged down 0.7 points, as it has nationally.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Jasper County
Renters in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.6% | 27.3% | 26.8% | 33.3% |
| 2010–14 | 27.6% | 29.3% | 28.2% | 35.6% |
| 2015–19 | 25.5% | 30.3% | 28.9% | 36.0% |
| 2020–24 | 27.7% | 30.5% | 28.3% | 34.8% |
| Change | +1.1 pts | +3.2 pts | +1.5 pts | +1.5 pts |
Most households in Jasper County own their homes; 27.7% rent, below the national share of 34.8%. About four in ten owners (40.3%) have paid off their mortgages, about the same as nationally. Renting is most common in the center and least common in the northwest. The renter share has edged up 1.1 points since 2006–10, as it has nationally.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.1% | 7.7% | 8.7% | 11.4% |
| 2010–14 | 10.5% | 7.2% | 8.6% | 11.4% |
| 2015–19 | 10.7% | 7.2% | 9.4% | 11.1% |
| 2020–24 | 9.6% | 7.0% | 8.8% | 9.6% |
| Change | +1.6 pts | −0.7 pts | +0.1 pts | −1.8 pts |
Just as many homes sit empty in Jasper County as nationally: 9.6%. The rate is higher than in the wider Des Moines area (7.0%). Vacancy is up 1.6 points from 2006–10, even as the national rate fell.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 1962 | 1976 | 1965 | 1974 |
| 2010–14 | 1964 | 1977 | 1967 | 1975 |
| 2015–19 | 1964 | 1979 | 1969 | 1977 |
| 2020–24 | 1964 | 1983 | 1971 | 1980 |
| Change | +1 | +7 | +6 | +6 |
Jasper County is a place of older homes: half were built before 1964, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the northwest, the oldest in the northeast.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | $602 | $808 | $669 | $965 |
| 2010–14 | $671 | $899 | $732 | $1,040 |
| 2015–19 | $718 | $986 | $821 | $1,213 |
| 2020–24 | $870 | $1,210 | $1,020 | $1,571 |
| Change | +$268 | +$402 | +$351 | +$606 |
A typical rental in Jasper County costs $870 a month with utilities, well below the national median of $1,571. Rent has climbed $268 a month since 2006–10, up 45%, a slower climb than the nation's. Rent takes 27.4% of the typical renter's income, just under the 30% mark often used to define affordable rent. Rents run highest in the northeast and lowest in the southwest.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Jasper County
Bachelor's degrees in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 16.8% | 33.6% | 26.5% | 28.4% |
| 2010–14 | 18.1% | 35.5% | 27.9% | 29.6% |
| 2015–19 | 18.7% | 37.1% | 29.3% | 32.1% |
| 2020–24 | 20.3% | 40.3% | 32.3% | 35.6% |
| Change | +3.4 pts | +6.6 pts | +5.8 pts | +7.2 pts |
College degrees are relatively uncommon in Jasper County: 20.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree is up 3.4 points from 2006–10, mirroring the country.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 90.3% | 91.9% | 90.4% | 84.9% |
| 2010–14 | 91.6% | 92.8% | 91.4% | 86.1% |
| 2015–19 | 94.1% | 92.7% | 92.1% | 87.7% |
| 2020–24 | 94.1% | 92.9% | 93.0% | 89.3% |
| Change | +3.8 pts | +1.0 pts | +2.7 pts | +4.3 pts |
High school completion in Jasper County is above the national rate: 94.1% of adults have a diploma, against 89.3%. The picture is much the same across the Des Moines area. The share with a diploma is up 3.8 points from 2006–10, as it has nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Jasper County
| Period | Jasper County | Des Moines area | Iowa | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.5% | 4.8% | 5.2% | 8.1% |
| 2010–14 | 5.9% | 5.4% | 5.4% | 9.4% |
| 2015–19 | 3.9% | 3.8% | 3.7% | 5.6% |
| 2020–24 | 7.2% | 4.5% | 3.7% | 5.4% |
| Change | +1.7 pts | −0.3 pts | −1.5 pts | −2.7 pts |
Unemployment runs high in Jasper County: 7.2% of the labor force was out of work and looking, against 5.4% nationally. Only one other Iowa county has higher unemployment. Unemployment is up 1.7 points from 2006–10, even as the national rate fell.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Jasper County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Jasper County | 2.44 | 41.6 | 10.4% | 27.7% | 9.6% | 1964 | $870 | 20.3% | 94.1% | 7.2% |
| Poweshiek County | 2.19 | 41.2 | 7.2% | 28.8% | 11.7% | 1965 | $881 | 28.4% | 94.7% | 3.5% |
| Polk County | 2.51 | 37.0 | 12.0% | 32.6% | 6.9% | 1981 | $1,241 | 40.5% | 91.7% | 5.0% |
| Dallas County | 2.59 | 36.9 | 8.1% | 31.0% | 5.9% | 2000 | $1,300 | 52.3% | 95.5% | 2.3% |
| Iowa County | 2.35 | 43.5 | 9.6% | 23.4% | 5.9% | 1967 | $775 | 25.3% | 95.4% | 1.7% |
| Guthrie County | 2.30 | 45.0 | 7.7% | 16.0% | 19.7% | 1962 | $825 | 24.9% | 95.8% | 3.1% |
| Johnson County | 2.40 | 34.6 | 6.9% | 40.6% | 7.5% | 1989 | $1,205 | 55.7% | 96.1% | 3.8% |
| Audubon County | 2.16 | 47.3 | 7.8% | 23.8% | 8.1% | 1948 | $758 | 21.2% | 92.1% | 1.5% |
| Cedar County | 2.42 | 44.8 | 10.1% | 18.5% | 9.2% | 1967 | $916 | 23.7% | 95.8% | 2.2% |
| Shelby County | 2.41 | 44.4 | 7.5% | 22.2% | 11.9% | 1953 | $777 | 25.1% | 95.5% | 3.1% |
| Scott County | 2.39 | 40.1 | 10.8% | 30.0% | 7.7% | 1972 | $1,235 | 37.3% | 93.6% | 3.5% |
All figures 2020–24.
Counties with similar populations: Stokes County, NC · Elk County, PA · Ellis County, KS · Elmore County, ID · Fajardo Municipio, PR · Fayette County, OH · Franklin County, AL · Franklin County, ME · Fredericksburg City, VA · Stephens County, OK
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Jasper County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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