Jasper County's estimated 2025 population is 37,859 with a growth rate of -0.08% in the past year according to the most recent United States census data. Jasper County is the 17thlargest county in Iowa. The 2010 population was 36,810 and has seen a growth of 2.85% since that time.
Data after 2023 is projected based on recent change
The racial composition of Jasper County includes 92.85% White, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (92.8%)
Two or more races (3.3%)
Black or African American (1.6%)
Other race (1.5%)
Asian (0.6%)
Native Hawaiian or Pacific Islander (0.2%)
Native American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 35,155 | 92.85% |
| Two or more races | 1,238 | 3.27% |
| Black or African American | 589 | 1.56% |
| Other race | 566 | 1.49% |
| Asian | 222 | 0.59% |
| Native Hawaiian or Pacific Islander | 60 | 0.16% |
| Native American | 34 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Jasper County's average per capita income is $47,200. Household income levels show a median of $70,128. The poverty rate stands at 8.16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,184 | $125,747 |
| Families | $88,171 | $112,360 |
| Households | $70,128 | $93,350 |
| Non Families | $42,387 | $53,946 |
Average Income
Median Household Income
Poverty Rate
