| ZIP Codes: | 6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 219 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:06 PM |
| Population: | 36,248 [See All] |
| FIPS: | 18073 |
| CBSA: | Chicago-Naperville-Elgin, IL-IN |
| Land Area: | 577 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 41.0567, -87.1566 |
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36,248 residents live across 6 ZIPs covering 577 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 36,161 to 36,248 from 2014 to 2024 — a +0.2% change. 3 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 46392 (Wheatfield, $90,912 median) and poorest ZIP 47978 (Rensselaer, $71,616) are 13.3 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.1× across this county — from $167,100 in 47977 (Remington) to $348,200 in 47943 (Fair Oaks).
Density varies 13× across the county — from 16 people/sq mi in 47943 (Fair Oaks) to 218 in 46310 (Demotte).
Educational attainment ranges from 8.1% bachelor's+ in 47943 (Fair Oaks) to 21.0% in 47977 (Remington) — the breadth of educational profiles across the area.
Within Indiana, this is the #44 most populous of 92 counties and ranks #25 for median household income .
Weighted by population, the typical household earns about $77,655 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.6% of adults age 25+ hold a bachelor's degree or higher (4,652 of 25,051 reporting).
5 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.