| ZIP Codes: | 8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 515 / 641 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:10 PM |
| Population: | 9,884 [See All] |
| FIPS: | 19081 |
| Land Area: | 553 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 43.0632, -93.7593 |
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9,884 residents live across 8 ZIPs covering 553 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 10,219 to 9,884 from 2014 to 2024 — a -3.3% change. 6 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 50439 (Goodell, $94,167 median) and poorest ZIP 50430 (Corwith, $59,265) are 15.4 miles apart — a 1.6× income gap across local geography.
Median home values vary 2.6× across this county — from $75,700 in 50430 (Corwith) to $197,600 in 50438 (Garner).
Density varies 81× across the county — from 8 people/sq mi in 50430 (Corwith) to 651 in 50432 (Crystal Lake).
Educational attainment ranges from 7.8% bachelor's+ in 50449 (Klemme) to 26.1% in 50423 (Britt) — the breadth of educational profiles across the area.
Within Iowa, this is the #74 most populous of 99 counties and ranks #66 for median household income .
Weighted by population, the typical household earns about $71,009 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.5% of adults age 25+ hold a bachelor's degree or higher (1,431 of 6,967 reporting).
7 Standard delivery, 1 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 |
|---|---|---|---|---|---|---|
| 50438 | Garner | Standard | 3,995 | $70,350 | 128.5 | 0.4% |
| 50423 | Britt | Standard | 2,291 | $73,151 | 142.8 | -23.5% |
| 50447 | Kanawha | Standard | 1,145 | $76,019 | 105.2 | 0.9% |
| 50449 | Klemme | Standard | 785 | $59,524 | 41.7 | 22.7% |
| 50430 | Corwith | Standard | 520 | $59,265 | 64.8 | 19.0% |
| 50439 | Goodell | Standard | 454 | $94,167 | 27.2 | -1.7% |
| 50484 | Woden | Standard | 411 | $65,583 | 42.2 | 3.0% |
| 50432 | Crystal Lake | PO Box | 283 | $66,875 | 0.4 | 64.5% |