Iowa · FIPS 19103 · ACS 2020–2024
Johnson County, Iowa property tax rate
Homeowners in Johnson County paid a median of $4,681 a year in real estate taxes on a median home value of $308,600 (2020–2024 survey). Taxes came to 1.40% of home value, 6% above the Iowa rate of 1.33% and 49% above the U.S. rate of 0.94%.
- 1.40%Effective tax rate±0.07% margin · Iowa: 1.33%
- $4,681Median tax per yearIowa: $2,897 · U.S.: $3,119
- $308,600Median home valueIowa: $208,000
- 37,605Owner-occupied homes59% of households own
| Measure | Johnson County | Iowa | U.S. | Johnson County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 1.40% | 1.33% | 0.94% | 1.46% | −0.06 pts |
| Median tax, all owners | $4,681 | $2,897 | $3,119 | $4,587 | +$94 (+2.0%) |
| Median tax, with a mortgage | $4,778 | $3,091 | $3,489 | $4,708 | +$70 (+1.5%) |
| Median tax, no mortgage | $4,480 | $2,633 | $2,576 | $4,309 | +$171 (+4.0%) |
| Median home value | $308,600 | $208,000 | $332,700 | $293,100 | +$15,500 (+5.3%) |
| Total taxes paid | $187,408,700 | $3,218,828,300 | $360,573,527,500 | $180,491,300 |
How Johnson County compares
- Per $1,000 of home value, owners here paid about $14.00 a year, against $13.27 statewide and $9.40 nationally.
- Rank in Iowa: 87 of 92 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 90% of 2,682 counties had a lower rate.
- Homes with a mortgage: 1.39% of value; homes without one: 1.43%. Median bills: $4,778 and $4,480.
- Compared with the 2019–2023 survey, the effective rate fell (−0.06 pts) and the median tax changed +$94 (+2.0%). The two 5-year surveys share four years of responses, so year-to-year moves are small and partly noise.
- Margin of error: the effective rate is 1.40% ± 0.07% at 90% confidence, from a sample of the 37,605 owner-occupied homes.
Iowa counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Dallas County | 1.37% | $5,001 | $355,600 |
| Wapello County | 1.37% | $1,974 | $125,100 |
| Monroe County | 1.39% | $2,149 | $156,300 |
| Woodbury County | 1.39% | $2,656 | $183,200 |
| Webster County | 1.39% | $2,138 | $153,800 |
| Warren County | 1.39% | $3,865 | $269,600 |
| Cass County | 1.40% | $2,019 | $150,300 |
| Henry County | 1.43% | $2,559 | $164,300 |
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table-based summary file: B25090 (aggregate real estate taxes), B25082 (aggregate home value), B25103 (median real estate taxes), B25077 (median home value) and B25003 (tenure); files dated January 29, 2026.
- U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates, same tables (files dated October 31, 2024), for the comparison column.
- Geography names: Census Bureau Geos20245YR.txt (file dated January 22, 2026).
Effective rate = total real estate taxes paid by owner-occupied homes ÷ their total value, as reported by owners to the Census Bureau. It is not a millage rate. Your bill depends on your assessed value, exemptions (such as homestead) and local levies.