| ZIP Codes: | 10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 574 / 765 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:25 PM |
| Population: | 35,550 [See All] |
| FIPS: | 18103 |
| CBSA: | Peru, IN |
| Land Area: | 397 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 40.7438, -86.0554 |
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35,550 residents live across 10 ZIPs covering 397 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 33,505 to 35,550 from 2014 to 2024 — a +6.1% change. 4 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 46911 (Amboy, $95,122 median) and poorest ZIP 46951 (Macy, $55,227) are 23.2 miles apart — a 1.7× income gap across local geography.
Median home values vary 2.1× across this county — from $102,000 in 46958 (Mexico) to $209,300 in 46911 (Amboy).
Density varies 62× across the county — from 35 people/sq mi in 46951 (Macy) to 2,205 in 46959 (Miami).
Educational attainment ranges from 10.2% bachelor's+ in 46926 (Denver) to 27.6% in 46958 (Mexico) — the breadth of educational profiles across the area.
Within Indiana, this is the #46 most populous of 92 counties and ranks #40 for median household income with the #14 fastest decade growth .
Weighted by population, the typical household earns about $62,696 across the county — reflecting what a typical resident sees, not a simple ZIP average.
16.5% of adults age 25+ hold a bachelor's degree or higher (4,163 of 25,296 reporting).
8 Standard delivery, 2 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 |
|---|---|---|---|---|---|---|
| 46970 | Peru | Standard | 23,020 | $57,842 | 183.0 | -1.1% |
| 46914 | Bunker Hill | Standard | 4,142 | $63,902 | 30.0 | 180.6% |
| 46951 | Macy | Standard | 2,376 | $55,227 | 66.9 | 27.7% |
| 46919 | Converse | Standard | 1,968 | $83,664 | 41.4 | -26.6% |
| 46911 | Amboy | Standard | 1,656 | $95,122 | 41.5 | 21.0% |
| 46926 | Denver | Standard | 1,359 | $68,218 | 32.2 | -22.3% |
| 46958 | Mexico | PO Box | 620 | $87,640 | 0.6 | 40.9% |
| 46959 | Miami | Standard | 409 | $78,750 | 0.2 | -38.0% |
| 46971 | Grissom Arb | Standard | 0 | — | 1.2 | — |
| 46921 | Deedsville | PO Box | — | — | 0.0 | — |