| ZIP Codes: | 9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 574 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:07 PM |
| Population: | 46,513 [See All] |
| FIPS: | 18099 |
| CBSA: | Plymouth, IN |
| Land Area: | 490 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 41.3340, -86.2861 |
| Quick Link: |
46,513 residents live across 9 ZIPs covering 490 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 46,967 to 46,398 from 2014 to 2024 — a -1.2% change. 5 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 46506 (Bremen, $79,386 median) and poorest ZIP 46570 (Tippecanoe, $54,185) are 17.0 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.6× across this county — from $150,300 in 46537 (Lapaz) to $242,800 in 46506 (Bremen).
Density varies 35× across the county — from 51 people/sq mi in 46511 (Culver) to 1,810 in 46537 (Lapaz).
Educational attainment ranges from 6.0% bachelor's+ in 46537 (Lapaz) to 30.4% in 46511 (Culver) — the breadth of educational profiles across the area.
Within Indiana, this is the #31 most populous of 92 counties and ranks #37 for median household income .
Weighted by population, the typical household earns about $72,255 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.1% of adults age 25+ hold a bachelor's degree or higher (6,582 of 31,203 reporting).
7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 46563 | Plymouth | Standard | 23,615 | $73,293 | 154.4 | -0.9% |
| 46506 | Bremen | Standard | 9,994 | $79,386 | 101.8 | 1.3% |
| 46501 | Argos | Standard | 3,780 | $64,172 | 71.6 | 1.1% |
| 46511 | Culver | Standard | 3,755 | $58,293 | 72.9 | -14.3% |
| 46504 | Bourbon | Standard | 3,500 | $74,567 | 66.4 | 0.7% |
| 46570 | Tippecanoe | Standard | 1,279 | $54,185 | 22.1 | 4.3% |
| 46537 | Lapaz | PO Box | 475 | $64,063 | 0.3 | 6.0% |
| 46572 | Tyner | Standard | 115 | $125,250 | 0.3 | — |
| 46513 | Donaldson | PO Box | 0 | — | 0.0 | — |