Johnson County, Iowa
Johnson County covers 613 sq mi of land and has about 156,639 residents. 15 zip codes lie mainly within it, spread across 10 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
156,639
256/sq mi
Median household income
$75K
U.S. $81K
Median home value
$309K
U.S. $333K
Median rent
$1,122
U.S. $1,413
Median age
31
U.S. 38.9
Poverty rate
17.1%
U.S. 12.5%
Cities and towns
Zip codes in Johnson County
15 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 52235 | Hills | 974 | $83,333 | |
| 52240 | Iowa City | 35,074 | $52,960 | |
| 52241 | Coralville | 23,250 | $69,243 | |
| 52242 | Iowa City | 4,688 | — | |
| 52243 | Iowa City · PO box | — | — | |
| 52244 | Iowa City · PO box | — | — | |
| 52245 | Iowa City | 22,853 | $78,020 | |
| 52246 | Iowa City | 22,308 | $62,521 | |
| 52247 | Kalona | 5,914 | $91,450 | |
| 52317 | North Liberty | 23,097 | $105,318 | |
| 52322 | Oxford | 2,266 | $64,444 | |
| 52333 | Solon | 7,295 | $118,721 | |
| 52338 | Swisher | 3,934 | $119,605 | |
| 52340 | Tiffin | 6,128 | $98,393 | |
| 52755 | Lone Tree | 2,092 | $102,434 |
Johnson County at a glance
Compared with the U.S.
Household income distribution
<$25k
17%
$25–50k
17%
$50–75k
16%
$75–100k
11%
$100–150k
18%
$150–200k
9%
$200k+
12%
Highest education (adults 25+)
No diploma
4%
High school
16%
Some college
16%
Associate's
9%
Bachelor's
31%
Graduate
24%
How people get to work
Drove alone
65%
Carpooled
6%
Transit
4%
Walked
8%
Bicycle
2%
Worked from home
14%
Other
1%
At a glance
| Johnson | U.S. | |
|---|---|---|
| Own their home | 59.4% | 65.2% |
| Bachelor's degree or higher | 55.2% | 35.7% |
| Work from home | 13.7% | 15.1% |
| Households with broadband | 89.2% | 91% |
| Without health insurance | 4.7% | 8.4% |
| Foreign-born | 9.8% | 14.1% |
| Veterans (of adults) | 3.9% | 6.2% |
| Unemployment | 3.8% | 5.2% |
| Average commute | 19.4 min | 26.4 min |