Johnson County, Iowa
IA · FIPS 19103 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 156,639 | — | #443 / 3,222 | |
| Median Household Income | $74,935 | -0.3% | #845 / 3,222 | |
| Median Age | 31.0 years | -20.3% | #3,158 / 3,222 | |
| Median Home Value | $308,600 | +9.5% | #582 / 3,222 | |
| Median Gross Rent | $1,122 | -3.5% | #671 / 3,222 | |
| Poverty Rate | 17.1% | +35.5% | #2,308 / 3,222 | |
Demographics
Johnson County has a population of 156,639, making it the #443 most populous county in the US. The median age is 31.0 years, which is 20.3% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Johnson County is $74,935, ranking #845 out of 3,222 counties — 0.3% below the national median. The poverty rate is 17.1% and unemployment stands at 3.8%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Johnson County is $308,600 (+9.5% vs national). Renters pay a median of $1,122/mo and the homeownership rate is 59.4%.
Median Home Value Trend
Rankings →Health
95.3% of residents in Johnson County have health insurance coverage, which is 3.9% above the national rate.
About Johnson County, Iowa
Johnson County, Iowa has a total population of 156,639, making it the 443rd most populous county in the United States. The median age in Johnson County is 31.0 years, which is 20.3% below the national median of 38.9 years.
The median household income in Johnson County is $74,935, which ranks #845 of 3,222 counties nationwide. This is 0.3% below the national median of $75,149. The poverty rate is 17.1%, higher than the national rate of 12.6%. The unemployment rate stands at 3.8%.
The median home value in Johnson County is $308,600, 9.5% above the national median. Renters in Johnson County pay a median gross rent of $1,122 per month. The homeownership rate is 59.4%, compared to the national rate of 64.4%.
In Johnson County, 55.2% of residents aged 25 and older hold a bachelor's degree or higher, 63.7% above the national average of 33.7%. Health insurance coverage stands at 95.3% of the population. The average commute time for workers is 21.3 min.
Johnson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 74.8% of the population, followed by Black (non-Hispanic) (7.6%) and Hispanic or Latino (6.7%).
All data for Johnson County, Iowa comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.