| ZIP Codes: | 8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 765 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:05 PM |
| Population: | 33,897 [See All] |
| FIPS: | 18023 |
| CBSA: | Frankfort, IN |
| Land Area: | 435 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 40.3272, -86.5056 |
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33,897 residents live across 8 ZIPs covering 435 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 33,981 to 33,897 from 2014 to 2024 — a -0.2% change. 3 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 46065 (Rossville, $80,104 median) and poorest ZIP 46057 (Michigantown, $53,173) are 13.3 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.8× across this county — from $123,500 in 46039 (Forest) to $216,300 in 46065 (Rossville).
Density varies 4× across the county — from 23 people/sq mi in 46039 (Forest) to 101 in 46065 (Rossville).
Educational attainment ranges from 5.1% bachelor's+ in 46035 (Colfax) to 28.6% in 46057 (Michigantown) — the breadth of educational profiles across the area.
Within Indiana, this is the #50 most populous of 92 counties and ranks #56 for median household income .
Weighted by population, the typical household earns about $66,577 across the county — reflecting what a typical resident sees, not a simple ZIP average.
16.8% of adults age 25+ hold a bachelor's degree or higher (3,689 of 22,020 reporting).
7 Standard delivery, 1 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 46041 | Frankfort | Standard | 23,134 | $63,157 | 253.8 | -2.6% |
| 46065 | Rossville | Standard | 3,644 | $80,104 | 36.0 | 4.9% |
| 46058 | Mulberry | Standard | 2,093 | $77,719 | 25.8 | -0.6% |
| 46050 | Kirklin | Standard | 1,808 | $74,531 | 44.3 | -9.0% |
| 46035 | Colfax | Standard | 1,348 | $73,357 | 25.6 | 25.5% |
| 46057 | Michigantown | Standard | 1,270 | $53,173 | 23.6 | 29.9% |
| 46039 | Forest | Standard | 600 | — | 25.8 | -0.2% |
| 46067 | Sedalia | PO Box | — | — | 0.0 | — |