Jasper County's estimated 2026 population is 38,184 with a growth rate of 0.08% in the past year according to the most recent United States census data. Jasper County is the 16th largest county in Iowa. The 2010 population was 36,810 and has seen a growth of 3.73% since that time.
Data after 2023 is projected based on recent change
Overall: 41.3 years
Female: 43 years
Male: 39.9 years
There are 29,597 adults, (7,500 of whom are seniors) in Jasper County.
Female: 18,082 (47.6%)
Male: 19,872 (52.4%)
The racial composition of Jasper County includes 91.71% White, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 34,806 | 91.71% |
| Two or more races | 1,604 | 4.23% |
| Black or African American | 583 | 1.54% |
| Other race | 583 | 1.54% |
| Asian | 281 | 0.74% |
| Native Hawaiian or Pacific Islander | 65 | 0.17% |
| Native American | 32 | 0.08% |
Jasper County's average per capita income is $47,863. Household income levels show a median of $71,311. The poverty rate stands at 8.3%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,339 | $129,442 |
| Families | $90,965 | $115,908 |
| Households | $71,311 | $95,279 |
| Non Families | $43,129 | $55,470 |
Average Income
Median Household Income
Poverty Rate
