| ZIP Codes: | 8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 317 / 463 / 765 / 812 / 930 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:26 PM |
| Population: | 42,039 [See All] |
| FIPS: | 18145 |
| CBSA: | Indianapolis-Carmel-Greenwood, IN |
| Land Area: | 352 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 39.5688, -85.7746 |
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42,039 residents live across 8 ZIPs covering 352 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 41,621 to 42,039 from 2014 to 2024 — a +1.0% change. 5 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 46130 (Fountaintown, $124,427 median) and poorest ZIP 46176 (Shelbyville, $65,182) are 11.7 miles apart — a 1.9× income gap across local geography.
Median home values vary 2.3× across this county — from $141,900 in 46144 (Gwynneville) to $330,400 in 46130 (Fountaintown).
Density varies 34× across the county — from 49 people/sq mi in 47234 (Flat Rock) to 1,672 in 46144 (Gwynneville).
Educational attainment ranges from 10.7% bachelor's+ in 46110 (Boggstown) to 37.7% in 46130 (Fountaintown) — the breadth of educational profiles across the area.
Within Indiana, this is the #36 most populous of 92 counties and ranks #10 for median household income .
Weighted by population, the typical household earns about $72,644 across the county — reflecting what a typical resident sees, not a simple ZIP average.
22.0% of adults age 25+ hold a bachelor's degree or higher (6,512 of 29,622 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 |
|---|---|---|---|---|---|---|
| 46176 | Shelbyville | Standard | 28,782 | $65,182 | 169.2 | 4.6% |
| 46126 | Fairland | Standard | 3,902 | $70,607 | 32.7 | -19.7% |
| 46130 | Fountaintown | Standard | 2,455 | $124,427 | 30.0 | 6.8% |
| 46161 | Morristown | Standard | 2,347 | $78,603 | 37.4 | -16.2% |
| 46182 | Waldron | Standard | 1,803 | $89,567 | 34.3 | 10.0% |
| 47234 | Flat Rock | Standard | 1,617 | $101,708 | 33.1 | -15.4% |
| 46110 | Boggstown | Standard | 917 | $68,714 | 15.4 | 115.8% |
| 46144 | Gwynneville | PO Box | 216 | $108,333 | 0.1 | 39.4% |