| ZIP Codes: | 5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 812 / 930 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:07 PM |
| Population: | 32,393 [See All] |
| FIPS: | 18077 |
| CBSA: | Madison, IN |
| Land Area: | 376 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 38.8219, -85.4282 |
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32,393 residents live across 5 ZIPs covering 376 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 31,390 to 32,393 from 2014 to 2024 — a +3.2% change. 3 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 47230 (Deputy, $80,729 median) and poorest ZIP 47231 (Dupont, $42,332) are 9.6 miles apart — a 1.9× income gap across local geography.
Median home values vary 2.3× across this county — from $105,900 in 47231 (Dupont) to $238,400 in 47230 (Deputy).
Density varies 10× across the county — from 18 people/sq mi in 47231 (Dupont) to 185 in 47243 (Hanover).
Educational attainment ranges from 4.9% bachelor's+ in 47231 (Dupont) to 21.0% in 47250 (Madison) — the breadth of educational profiles across the area.
Within Indiana, this is the #52 most populous of 92 counties and ranks #81 for median household income .
Weighted by population, the typical household earns about $62,899 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 (4,476 of 22,354 reporting).
5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.