| ZIP Codes: | 6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 563 / 641 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:52 PM |
| Population: | 10,901 [See All] |
| FIPS: | 19089 |
| Land Area: | 582 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 43.3542, -92.3085 |
| Quick Link: |
10,901 residents live across 6 ZIPs covering 582 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 11,028 to 10,901 from 2014 to 2024 — a -1.2% change. 3 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 52163 (Protivin, $78,194 median) and poorest ZIP 50466 (Riceville, $56,728) are 25.7 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.8× across this county — from $115,000 in 52163 (Protivin) to $209,800 in 50466 (Riceville).
Density varies 102× across the county — from 7 people/sq mi in 52134 (Chester) to 758 in 52163 (Protivin).
Educational attainment ranges from 10.8% bachelor's+ in 52155 (Lime Springs) to 32.8% in 52163 (Protivin) — the breadth of educational profiles across the area.
Within Iowa, this is the #69 most populous of 99 counties and ranks #86 for median household income .
Weighted by population, the typical household earns about $66,732 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.6% of adults age 25+ hold a bachelor's degree or higher (1,444 of 7,358 reporting).
5 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 |
|---|---|---|---|---|---|---|
| 52136 | Cresco | Standard | 5,840 | $70,778 | 205.9 | -3.6% |
| 50466 | Riceville | Standard | 1,972 | $56,728 | 137.1 | 6.3% |
| 50628 | Elma | Standard | 1,423 | $68,750 | 108.2 | 3.3% |
| 52155 | Lime Springs | Standard | 1,110 | $57,917 | 100.8 | -1.2% |
| 52163 | Protivin | PO Box | 333 | $78,194 | 0.4 | 39.3% |
| 52134 | Chester | Standard | 223 | $63,125 | 29.9 | -40.7% |