County ProfileMO
Polk County
Population: 31,519 · 12 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
31,519
People
Median age
38.1
Housing
Total households
12,059
Income
Median household income
$59,647
Housing
Total housing units
13,482
Employment
Employment rate
54.9%
Education
Bachelor’s degree or higher
22.5%
Healthcare
Insured population
85.9%
County details
Local time 01:48:33(CT)| Name | Polk |
|---|---|
| Total ZIP codes | 12total |
| ZIP codes (by type) | 11 Standard1 PO Box |
| Area code | 417 |
| Timezone | Central Time (CT) |
| Coordinates | 37.6167611, -93.4008166 |
| Land area | 635.5 sq miles(1,646 km²) |
Map of Polk county, Missouri with ZIP codes
Cities and Communities in Polk County
Compare the largest cities in Polk 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 |
|---|---|---|---|
| Bolivar | 10,679 | $49,622 | 1ZIPs |
| Half Way | 2,424 | — | 1ZIPs |
| Brighton | 1,727 | — | 1ZIPs |
| Dunnegan | 910 | — | 1ZIPs |
| Humansville | 907 | $37,446 | 1ZIPs |
| Pleasant Hope | 657 | $65,078 | 1ZIPs |
| Fair Play | 422 | $40,781 | 1ZIPs |
| Morrisville | 376 | $60,625 | 2ZIPs |
| Polk | 165 | — | 1ZIPs |
| Flemington | 110 | $31,563 | 1ZIPs |
| Aldrich | 76 | $82,750 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Polk County
Review the most populated postal areas across Polk County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 65613 | Bolivar | $59,172 | 17,890 |
| 65674 | Humansville | $47,500 | 2,909 |
| 65725 | Pleasant Hope | $77,406 | 2,441 |
| 65663 | Half Way | $61,023 | 2,424 |
| 65617 | Brighton | $76,488 | 1,727 |
| 65649 | Fair Play | $46,516 | 1,649 |
| 65650 | Flemington | $50,194 | 1,423 |
| 65710 | Morrisville | $77,865 | 1,253 |
| 65601 | Aldrich | $46,875 | 923 |
| 65640 | Dunnegan | $61,136 | 910 |
| 65727 | Polk | $81,641 | 165 |
| 65645 | Morrisville | — | — |
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