Johnson County, IA ZIP Codes
18 ZIP codes cover all or part of Johnson County, Iowa. The Census Bureau counts 156,639 residents in the county, with a median household income of $74,935 and a median home value of $308,600. Median household income ranges from $52,960 in 52240 to $119,605 in 52338. Its largest communities include Iowa City, Coralville, North Liberty, Tiffin and Solon.
Johnson County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 156,639 |
| Households | 63,341 |
| Median household income | $74,935 |
| Median home value | $308,600 |
| Median age | 31 |
| Median rent | $1,122 |
All 18 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 173,777 |
| Households (sum of ZIP codes) | 69,844 |
| Median household income, range across ZIP codes | $52,960 (52240) to $119,605 (52338) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,843 |
| Homeowners | 61.5% |
| Households with kids under 18 | 24.6% |
| Moved in the past year | 21.2% |
| Carrier routes in EDDM2GO's route library | 54 routes, 36,175 homes (7 of 18 ZIP codes) |
Top facts
- Highest median household income in Johnson County: 52338 ($119,605)
- Most residents: 52240 (35,074 people)
- Highest homeownership: 52338 (93.3% own their home)
- Most households with kids: 52228 (40.0% of households)
- Most new movers: 52242 (77.2% moved in last year)
- Youngest median age: 52242 (19.1 years)
- Highest median home value: 52338 ($392,700)
Every ZIP code in Johnson County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52240 | Iowa City | 35,074 | 15,417 | $52,960 | $242,300 | 50.1% | 18.1% | 26.0% | 25 | 18,093 | 100% of its land |
| 52241 | Coralville | 23,250 | 10,001 | $69,243 | $298,900 | 56.0% | 25.5% | 22.4% | — | — | 100% of its land |
| 52317 | North Liberty | 23,097 | 8,913 | $105,318 | $322,800 | 69.1% | 33.1% | 14.9% | — | — | 100% of its land |
| 52245 | Iowa City | 22,853 | 9,543 | $78,020 | $315,100 | 59.6% | 15.4% | 26.7% | — | — | 100% of its land |
| 52246 | Iowa City | 22,308 | 9,651 | $62,521 | $348,900 | 45.2% | 21.0% | 25.3% | 14 | 11,313 | 100% of its land |
| 52333 | Solon | 7,295 | 2,751 | $118,721 | $366,900 | 86.6% | 30.5% | 3.7% | — | — | 96% of its land |
| 52340 | Tiffin | 6,128 | 2,596 | $98,393 | $342,800 | 77.3% | 34.5% | 16.9% | 4 | 3,240 | 100% of its land |
| 52247 | Kalona | 5,914 | 2,115 | $91,450 | $298,900 | 71.7% | 36.2% | 9.1% | — | — | 55% of its land |
| 52242 | Iowa City | 4,688 | 21 | — | — | 0.0% | 0.0% | 77.2% | — | — | 100% of its land |
| 52338 | Swisher | 3,934 | 1,426 | $119,605 | $392,700 | 93.3% | 30.6% | 5.7% | 3 | 1,264 | 94% of its land |
| 52228 | Fairfax | 3,802 | 1,416 | $118,125 | $308,900 | 91.0% | 40.0% | 5.6% | 3 | 1,352 | 11% of its land |
| 52327 | Riverside | 3,796 | 1,315 | $86,942 | $298,800 | 80.9% | 37.0% | 5.8% | — | — | 27% of its land |
| 52358 | West Branch | 3,598 | 1,488 | $91,686 | $240,300 | 84.9% | 28.8% | 19.1% | 3 | 1,898 | 17% of its land |
| 52322 | Oxford | 2,266 | 910 | $64,444 | $261,100 | 83.3% | 31.0% | 9.0% | 2 | 835 | 99% of its land |
| 52203 | Amana | 2,231 | 842 | $101,950 | $297,100 | 86.1% | 29.7% | 4.1% | — | — | 21% of its land |
| 52755 | Lone Tree | 2,092 | 775 | $102,434 | $242,700 | 82.8% | 30.5% | 5.3% | — | — | 92% of its land |
| 52235 | Hills | 974 | 438 | $83,333 | $240,200 | 64.2% | 22.8% | 12.6% | — | — | 100% of its land |
| 52325 | Parnell | 477 | 226 | $75,714 | — | 80.5% | 37.6% | 2.9% | — | — | 14% of its land |
A ZIP code is listed for Johnson County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Iowa City — 75,752 residents · 4 ZIP codes
- Coralville — 23,234 residents · 1 ZIP code
- North Liberty — 21,125 residents · 1 ZIP code
- Tiffin — 5,737 residents · 1 ZIP code
- Solon — 3,152 residents · 1 ZIP code
- Kalona — 2,692 residents · 1 ZIP code
- University Heights — 1,384 residents · 1 ZIP code
- Lone Tree — 1,218 residents · 1 ZIP code
- Swisher — 1,182 residents · 1 ZIP code
- Hills — 974 residents · 2 ZIP codes
- Oxford — 779 residents · 1 ZIP code
- Shueyville — 740 residents · 1 ZIP code
- Frytown — 113 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Johnson County — 15 ZIP codes ranked
- ZIP codes with the highest home values in Johnson County — 15 ZIP codes ranked
- ZIP codes with the highest homeownership in Johnson County — 16 ZIP codes ranked
- ZIP codes with the most families with kids in Johnson County — 16 ZIP codes ranked
- ZIP codes with the most new movers in Johnson County — 16 ZIP codes ranked
- Youngest ZIP codes in Johnson County — 16 ZIP codes ranked
- Oldest ZIP codes in Johnson County — 16 ZIP codes ranked
- Fastest-growing ZIP codes in Johnson County — 16 ZIP codes ranked
Price a mailing to Johnson County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Johnson County, IA?
- 52240, 52241, 52317, 52245, 52246, 52333, 52340, 52247, 52242, 52338, 52228, 52327, 52358, 52322, 52203, 52755, 52235 and 52325. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Johnson County?
- 156,639 residents in 63,341 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Johnson County?
- $74,935 for the county as a whole. Its ZIP codes range from $52,960 (52240) to $119,605 (52338).
- Which Johnson County ZIP code has the highest median household income?
- 52338, at $119,605, among ZIP codes with at least 1,000 residents. See the full ranking of Johnson County ZIP codes by income.
- How many carrier routes and mailboxes are in Johnson County?
- For the 7 of 18 ZIP codes in EDDM2GO's stored route library: 54 carrier routes reaching 36,175 residential and 1,812 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.