County ProfileIA
Lee County
Population: 33,555 · 10 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
33,555
People
Median age
43.6
Housing
Total households
14,323
Income
Median household income
$62,382
Housing
Total housing units
15,794
Employment
Employment rate
55.2%
Education
Bachelor’s degree or higher
21.7%
Healthcare
Insured population
94.6%
County details
Local time 03:46:20(CT)| Name | Lee |
|---|---|
| Total ZIP codes | 10total |
| ZIP codes (by type) | 8 Standard2 PO Box |
| Area code | 319 |
| Timezone | Central Time (CT) |
| Coordinates | 40.6475875, -91.4771574 |
| Land area | 517.6 sq miles(1,340.4 km²) |
Map of Lee county, Iowa with ZIP codes
Cities and Communities in Lee County
Compare the largest cities in Lee County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Fort Madison | 10,270 | $50,705 | 1ZIPs |
| Keokuk | 9,900 | $52,711 | 1ZIPs |
| West Point | 921 | $73,125 | 1ZIPs |
| Donnellson | 885 | $54,453 | 1ZIPs |
| Montrose | 738 | $66,250 | 1ZIPs |
| Denmark | 425 | $136,875 | 1ZIPs |
| Houghton | 141 | $106,042 | 1ZIPs |
| Saint Paul | 109 | $72,500 | 1ZIPs |
| Wever | 101 | $43,750 | 1ZIPs |
| Argyle | 91 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Lee County
Review the most populated postal areas across Lee County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 52627 | Fort Madison | $56,401 | 12,350 |
| 52632 | Keokuk | $56,653 | 12,006 |
| 52625 | Donnellson | $80,078 | 2,498 |
| 52656 | West Point | $83,750 | 2,351 |
| 52639 | Montrose | $68,625 | 1,847 |
| 52658 | Wever | $107,679 | 957 |
| 52619 | Argyle | $73,438 | 553 |
| 52624 | Denmark | $109,861 | 354 |
| 52657 | Saint Paul | $72,500 | 109 |
| 52631 | Houghton | $107,083 | 75 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS