| ZIP Codes: | 11 ZIP Codes (9 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 765 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:06 PM |
| Population: | 65,423 [See All] |
| FIPS: | 18053 |
| CBSA: | Marion, IN |
| Land Area: | 407 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 40.4909, -85.6261 |
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65,423 residents live across 11 ZIPs covering 407 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 68,374 to 65,423 from 2014 to 2024 — a -4.3% change. 4 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 46989 (Upland, $82,074 median) and poorest ZIP 46938 (Jonesboro, $45,884) are 5.4 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.8× across this county — from $79,500 in 46957 (Matthews) to $219,400 in 46989 (Upland).
Density varies 94× across the county — from 46 people/sq mi in 46986 (Swayzee) to 4,329 in 46987 (Sweetser).
Educational attainment ranges from 8.1% bachelor's+ in 46991 (Van Buren) to 45.3% in 46989 (Upland) — the breadth of educational profiles across the area.
Within Indiana, this is the #26 most populous of 92 counties and ranks #87 for median household income .
Weighted by population, the typical household earns about $55,021 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.3% of adults age 25+ hold a bachelor's degree or higher (8,764 of 43,189 reporting).
9 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 |
|---|---|---|---|---|---|---|
| 46953 | Marion | Standard | 23,372 | $46,288 | 83.9 | -4.6% |
| 46952 | Marion | Standard | 18,189 | $52,880 | 110.1 | -7.2% |
| 46933 | Gas City | Standard | 6,536 | $56,786 | 10.8 | 0.8% |
| 46989 | Upland | Standard | 5,385 | $82,074 | 32.9 | 4.9% |
| 46928 | Fairmount | Standard | 4,553 | $67,412 | 73.1 | -6.2% |
| 46938 | Jonesboro | Standard | 2,494 | $45,884 | 29.9 | -14.6% |
| 46986 | Swayzee | Standard | 1,617 | $79,438 | 35.2 | -13.3% |
| 46991 | Van Buren | Standard | 1,594 | $47,692 | 29.8 | -9.0% |
| 46987 | Sweetser | PO Box | 1,055 | $80,893 | 0.2 | 73.5% |
| 46957 | Matthews | PO Box | 443 | $49,444 | 0.5 | -19.7% |
| 46930 | Fowlerton | Standard | 185 | $52,679 | 0.6 | 71.3% |