| ZIP Codes: | 15 ZIP Codes (14 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 563 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:51 PM |
| Population: | 17,248 [See All] |
| FIPS: | 19043 |
| Land Area: | 746 sq mi |
| Water Area: | 14 sq mi |
| Coordinates: | 42.8604, -91.3047 |
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17,248 residents live across 15 ZIPs covering 746 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 17,803 to 17,248 from 2014 to 2024 — a -3.1% change. 9 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 52156 (Luana, $99,554 median) and poorest ZIP 52158 (Marquette, $47,188) are 15.5 miles apart — a 2.1× income gap across local geography.
Median home values vary 3.6× across this county — from $65,800 in 52048 (Garber) to $234,300 in 52042 (Edgewood).
Density varies 35× across the county — from 6 people/sq mi in 52048 (Garber) to 222 in 52158 (Marquette).
Educational attainment ranges from 5.5% bachelor's+ in 52047 (Farmersburg) to 23.2% in 52156 (Luana) — the breadth of educational profiles across the area.
Within Iowa, this is the #40 most populous of 99 counties and ranks #78 for median household income .
Weighted by population, the typical household earns about $71,277 across the county — reflecting what a typical resident sees, not a simple ZIP average.
15.3% of adults age 25+ hold a bachelor's degree or higher (1,900 of 12,404 reporting).
14 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 |
|---|---|---|---|---|---|---|
| 52052 | Guttenberg | Standard | 2,999 | $61,528 | 95.9 | 2.2% |
| 52159 | Monona | Standard | 2,398 | $74,259 | 73.6 | -5.1% |
| 52076 | Strawberry Point | Standard | 2,258 | $72,857 | 94.6 | -8.3% |
| 52043 | Elkader | Standard | 2,058 | $76,705 | 100.2 | -8.0% |
| 52042 | Edgewood | Standard | 1,804 | $95,833 | 64.1 | 5.0% |
| 52157 | Mc Gregor | Standard | 1,451 | $52,625 | 57.4 | -22.1% |
| 52049 | Garnavillo | Standard | 1,370 | $61,964 | 73.0 | 5.5% |
| 52156 | Luana | Standard | 769 | $99,554 | 42.3 | 3.9% |
| 52047 | Farmersburg | Standard | 462 | $59,250 | 39.4 | 1.8% |
| 52072 | Saint Olaf | Standard | 454 | $62,250 | 29.9 | 101.8% |
| 52077 | Volga | Standard | 313 | $77,188 | 28.4 | -28.9% |
| 52044 | Elkport | Standard | 297 | $75,792 | 12.6 | 90.4% |
| 52158 | Marquette | PO Box | 290 | $47,188 | 1.3 | 9.8% |
| 52048 | Garber | Standard | 201 | $56,477 | 32.1 | -50.4% |
| 52066 | North Buena Vista | Standard | 124 | $51,563 | 0.9 | 57.0% |