| ZIP Codes: | 9 ZIP Codes (9 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 317 / 463 / 812 / 930 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:07 PM |
| Population: | 170,596 [See All] |
| FIPS: | 18081 |
| CBSA: | Indianapolis-Carmel-Greenwood, IN |
| Land Area: | 402 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 39.4875, -86.0776 |
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170,596 residents live across 9 ZIPs covering 402 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 148,002 to 170,596 from 2014 to 2024 — a +15.3% change. 6 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 46106 (Bargersville, $120,072 median) and poorest ZIP 46124 (Edinburgh, $64,466) are 18.6 miles apart — a 1.9× income gap across local geography.
Median home values vary 2.6× across this county — from $184,700 in 46124 (Edinburgh) to $471,300 in 46106 (Bargersville).
Density varies 29× across the county — from 97 people/sq mi in 46124 (Edinburgh) to 2,779 in 46142 (Greenwood).
Most of the decade's growth concentrated around Greenwood — top growth ZIPs averaged +30.1% over the past ten years ( 46106 , 46143 and 46142 ).
Educational attainment ranges from 15.3% bachelor's+ in 46124 (Edinburgh) to 48.7% in 46106 (Bargersville) — the breadth of educational profiles across the area.
Within Indiana, this is the #9 most populous of 92 counties and ranks #7 for median household income with the #5 fastest decade growth .
Weighted by population, the typical household earns about $90,788 across the county — reflecting what a typical resident sees, not a simple ZIP average.
34.5% of adults age 25+ hold a bachelor's degree or higher (39,745 of 115,295 reporting). The most-educated ZIPs cluster around Greenwood.
9 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 46143 | Greenwood | Standard | 61,803 | $91,496 | 50.3 | 20.5% |
| 46131 | Franklin | Standard | 34,647 | $85,076 | 124.6 | 11.1% |
| 46142 | Greenwood | Standard | 34,348 | $89,001 | 12.4 | 14.4% |
| 46184 | Whiteland | Standard | 13,304 | $99,865 | 18.3 | 6.8% |
| 46106 | Bargersville | Standard | 10,159 | $120,072 | 27.7 | 55.3% |
| 46124 | Edinburgh | Standard | 7,304 | $64,466 | 75.0 | -2.2% |
| 46181 | Trafalgar | Standard | 4,964 | $91,337 | 47.2 | 6.2% |
| 46164 | Nineveh | Standard | 3,840 | $85,735 | 36.6 | -3.7% |
| 46162 | Needham | Standard | 227 | $117,969 | 10.5 | -40.6% |