County ProfileIN
Decatur County
Population: 26,472 · 5 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
26,472
People
Median age
39.8
Housing
Total households
10,712
Income
Median household income
$69,783
Housing
Total housing units
11,685
Employment
Employment rate
63.9%
Education
Bachelor’s degree or higher
20%
Healthcare
Insured population
96.1%
County details
Local time 04:27:05(ET)| Name | Decatur |
|---|---|
| Total ZIP codes | 5total |
| ZIP codes (by type) | 3 Standard2 PO Box |
| Area code | 574, 765, 812, 930 |
| Timezone | Eastern Time (ET) |
| Coordinates | 39.3059799, -85.499831 |
| Land area | 372.6 sq miles(964.9 km²) |
Map of Decatur county, Indiana with ZIP codes
Cities and Communities in Decatur County
Compare the largest cities in Decatur 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 |
|---|---|---|---|
| Greensburg | 12,312 | $62,655 | 1ZIPs |
| Westport | 1,393 | $49,129 | 1ZIPs |
| Saint Paul | 960 | $60,938 | 1ZIPs |
| New Point | 319 | $60,000 | 1ZIPs |
| Clarksburg | 127 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Decatur County
Review the most populated postal areas across Decatur County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 47240 | Greensburg | $69,985 | 21,940 |
| 47283 | Westport | $74,028 | 3,526 |
| 47272 | Saint Paul | $75,117 | 1,852 |
| 47263 | New Point | $68,750 | 174 |
| 47225 | Clarksburg | — | 65 |
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