Johnson
Source:
Iowa
Johnson is a mid-size county in Iowa with 12 ZIP codes, 127,888 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Johnson, IA sits among US counties with an upper-quartile household income, on a mid-size county population base, across a compact ZIP cluster.
- Top 15%
- household income vs 3,210 US counties
- 127,888
- combined ZIP population
- 12
- USPS ZIP codes covered
- $86,817
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Johnson lands in the national county income distribution as upper-quartile household income on mid-size county footing (FIPS 19103, 12 ZIPs, combined population 127,888). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (12 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving Johnson. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
12
Total ZIPs
127,888
Total Population
ZIP Codes in Johnson
Side-by-side: Compare 52240 vs 52245 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 52240 | Iowa City | 32,230 | 78 |
| 52245 | Iowa City | 22,573 | 1,054 |
| 52246 | Iowa City | 21,114 | 898 |
| 52241 | Coralville | 18,911 | 615 |
| 52317 | North Liberty | 14,775 | 165 |
| 52333 | Solon | 6,168 | 28 |
| 52338 | Swisher | 3,283 | 38 |
| 52322 | Oxford | 2,436 | 11 |
| 52340 | Tiffin | 2,180 | 51 |
| 52755 | Lone Tree | 1,928 | 12 |
| 52242 | Iowa City | 1,592 | 855 |
| 52235 | Hills | 698 | 142 |
Frequently Asked Questions
What is the population of Johnson?
Johnson has a total population of 127,888 across 12 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Johnson?
Johnson includes 12 ZIP codes: 52240, 52245, 52246, 52241, 52317, 52333, 52338, 52322, 52340, 52755, and more.