| ZIP Codes: | 9 ZIP Codes (9 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 641 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:50 PM |
| Population: | 12,623 [See All] |
| FIPS: | 19007 |
| Land Area: | 561 sq mi |
| Water Area: | 17 sq mi |
| Coordinates: | 40.7525, -92.8458 |
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12,623 residents live across 9 ZIPs covering 561 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 13,083 to 12,623 from 2014 to 2024 — a -3.5% change. 3 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 52571 (Moravia, $81,953 median) and poorest ZIP 52555 (Exline, $36,161) are 17.2 miles apart — a 2.3× income gap across local geography.
Median home values vary 2.9× across this county — from $80,000 in 52574 (Mystic) to $233,300 in 52593 (Udell).
Density varies 15× across the county — from 4 people/sq mi in 52581 (Plano) to 59 in 52544 (Centerville).
Educational attainment ranges from 4.6% bachelor's+ in 52574 (Mystic) to 30.2% in 52571 (Moravia) — the breadth of educational profiles across the area.
Within Iowa, this is the #60 most populous of 99 counties and ranks #94 for median household income .
Weighted by population, the typical household earns about $57,837 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.0% of adults age 25+ hold a bachelor's degree or higher (1,745 of 8,720 reporting).
9 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.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 52544 | Centerville | Standard | 8,121 | $50,572 | 137.5 | 6.8% |
| 52571 | Moravia | Standard | 1,660 | $81,953 | 106.0 | 4.6% |
| 52572 | Moulton | Standard | 844 | $72,727 | 100.9 | -30.4% |
| 52594 | Unionville | Standard | 676 | $75,938 | 45.4 | 88.3% |
| 52549 | Cincinnati | Standard | 487 | $62,292 | 45.1 | -15.0% |
| 52574 | Mystic | Standard | 377 | $46,625 | 41.4 | -55.4% |
| 52555 | Exline | Standard | 193 | $36,161 | 22.4 | -36.9% |
| 52581 | Plano | Standard | 168 | $55,000 | 44.1 | -64.7% |
| 52593 | Udell | Standard | 97 | $66,875 | 18.7 | -19.8% |