Johnson County, Iowa
Johnson County, Iowa · ZIP 52203, 52227, 52228
- Census data · ACS 2019-2023
- 160,080 (2024 estimate)Population
- 62,214Households
- $74,721Median household income
- $293,100Median home value
- 12Towns with a page
- 23ZIP codes
Johnson County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 111,006 |
| 2010 | 130,882 |
| 2020 | 152,854 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 19, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 19, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 19, retrieved November 14, 2026.
Median household income $74,721 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 19, retrieved November 14, 2026.
- Owner occupied
- 36,606 units
- Renter occupied
- 25,608 units
- Vacancy rate
- 7.4%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 19, retrieved November 14, 2026.
68,965 employees in 3,490 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 19, retrieved November 14, 2026.
| Measure | Johnson County | Iowa |
|---|---|---|
| Population | 154,881 | 3,195,937 |
| Median household income | $74,721 | $73,147 |
| Median age | 30.8 | 38.6 |
| Median home value | $293,100 | $195,900 |
| Bachelor’s degree or higher | 54.6% | 30.9% |
| Foreign-born residents | 10.2% | 5.7% |
| Owner-occupied homes | 58.8% | 71.5% |
| Mean commute to work | 19.7 minutes | 19.8 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 19, retrieved November 14, 2026.
Townships, towns and villages in Johnson County12 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Iowa City | City | 76,710 | 25.8 sq mi |
| Coralville | City | 23,959 | 12.7 sq mi |
| North Liberty | City | 21,904 | 9.54 sq mi |
| Tiffin | City | 6,695 | 4.32 sq mi |
| Solon | City | 3,284 | 1.66 sq mi |
| Lone Tree | City | 1,341 | 1.07 sq mi |
| University Heights | City | 1,188 | 0.26 sq mi |
| Hills | City | 911 | 0.82 sq mi |
| Swisher | City | 909 | 0.93 sq mi |
| Shueyville | City | 725 | 1.86 sq mi |
| Oxford | City | 715 | 0.92 sq mi |
| Frytown | Census designated place | 32 | 0.81 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 19 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Johnson County
No job is posted in Johnson County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Johnson County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Benton CountyPopulation 25,799 (2024 estimate)
- Cedar CountyPopulation 18,231 (2024 estimate)
- Iowa CountyPopulation 16,423 (2024 estimate)
- Linn CountyPopulation 231,762 (2024 estimate)
- Louisa CountyPopulation 10,630 (2024 estimate)
- Muscatine CountyPopulation 42,132 (2024 estimate)
- Washington CountyPopulation 22,631 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 19, retrieved November 14, 2026.