| ZIP Codes: | 15 ZIP Codes (15 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 319 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:50 PM |
| Population: | 25,291 [See All] |
| FIPS: | 19011 |
| CBSA: | Cedar Rapids, IA |
| Land Area: | 593 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 42.0206, -92.0273 |
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25,291 residents live across 15 ZIPs covering 593 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 25,390 to 25,291 from 2014 to 2024 — a -0.4% change. 9 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 52351 (Walford, $128,750 median) and poorest ZIP 52349 (Vinton, $71,314) are 22.4 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.6× across this county — from $120,700 in 52208 (Belle Plaine) to $309,700 in 52206 (Atkins).
Density varies 67× across the county — from 11 people/sq mi in 52257 (Luzerne) to 763 in 52351 (Walford).
Educational attainment ranges from 12.1% bachelor's+ in 52313 (Mount Auburn) to 34.2% in 52351 (Walford) — the breadth of educational profiles across the area.
Within Iowa, this is the #24 most populous of 99 counties and ranks #2 for median household income .
Weighted by population, the typical household earns about $88,673 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.0% of adults age 25+ hold a bachelor's degree or higher (4,568 of 17,590 reporting).
15 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 52349 | Vinton | Standard | 7,737 | $71,314 | 138.9 | 4.8% |
| 52208 | Belle Plaine | Standard | 2,877 | $74,127 | 51.9 | -6.7% |
| 52206 | Atkins | Standard | 2,564 | $116,071 | 28.5 | 5.8% |
| 52332 | Shellsburg | Standard | 1,612 | $92,708 | 41.0 | -21.6% |
| 52345 | Urbana | Standard | 1,609 | $115,179 | 3.2 | 10.6% |
| 52315 | Newhall | Standard | 1,339 | $77,656 | 28.4 | 15.6% |
| 52351 | Walford | Standard | 1,329 | $128,750 | 1.7 | -17.3% |
| 52209 | Blairstown | Standard | 1,158 | $86,094 | 40.0 | -10.2% |
| 52346 | Van Horne | Standard | 1,113 | $113,342 | 49.1 | 0.8% |
| 52318 | Norway | Standard | 1,099 | $85,625 | 31.4 | 28.1% |
| 52249 | Keystone | Standard | 1,060 | $75,417 | 51.1 | -7.2% |
| 52229 | Garrison | Standard | 678 | $86,500 | 50.8 | -25.0% |
| 52313 | Mount Auburn | Standard | 480 | $91,146 | 32.1 | 25.0% |
| 52354 | Watkins | Standard | 420 | $112,969 | 26.6 | 24.3% |
| 52257 | Luzerne | Standard | 216 | $94,464 | 18.9 | 4.9% |