| ZIP Codes: | 9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 641 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:09 PM |
| Population: | 9,261 [See All] |
| FIPS: | 19069 |
| Land Area: | 393 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 42.7422, -93.2973 |
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9,261 residents live across 9 ZIPs covering 393 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 9,498 to 9,124 from 2014 to 2024 — a -3.9% change. 4 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 50420 (Alexander, $76,250 median) and poorest ZIP 50227 (Popejoy, $38,611) are 15.1 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.0× across this county — from $83,500 in 50227 (Popejoy) to $165,300 in 50475 (Sheffield).
Density varies 235× across the county — from 9 people/sq mi in 50420 (Alexander) to 2,079 in 50427 (Chapin).
Educational attainment ranges from 3.0% bachelor's+ in 50227 (Popejoy) to 53.4% in 50427 (Chapin) — the breadth of educational profiles across the area.
Within Iowa, this is the #79 most populous of 99 counties and ranks #91 for median household income .
Weighted by population, the typical household earns about $57,782 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.1% of adults age 25+ hold a bachelor's degree or higher (1,139 of 6,280 reporting).
7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 50441 | Hampton | Standard | 5,450 | $49,910 | 155.1 | -3.8% |
| 50475 | Sheffield | Standard | 1,446 | $70,938 | 90.3 | -20.7% |
| 50452 | Latimer | Standard | 946 | $66,250 | 46.0 | 26.1% |
| 50420 | Alexander | Standard | 473 | $76,250 | 53.4 | 17.4% |
| 50633 | Geneva | Standard | 423 | $71,775 | 45.9 | 2.2% |
| 50431 | Coulter | PO Box | 228 | $62,917 | 0.9 | -34.3% |
| 50427 | Chapin | Standard | 137 | $73,091 | 0.1 | — |
| 50227 | Popejoy | Standard | 107 | $38,611 | 1.3 | 181.6% |
| 50041 | Bradford | PO Box | 51 | — | 0.3 | -10.5% |