Zip Code 49045 — Decatur, MI
49045 is a ZIP Code associated with Decatur, MI, located within Van Buren. 49045 ranks #8 out of 14 ZIP codes in Van Buren County by population (and #470 out of 992 in MI). The area supports an estimated population of 5,321 residents across Data Pending housing units, with a population density of 23.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (42.103800, -86.002190)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 49045 |
| Primary City | Decatur |
| State / Province | MI |
| County | Van Buren |
| Total Population | 5,321 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 23.8 people/sq mi |
| Timezone | America/Detroit |
How 49045 Compares
| Metric | ZIP 49045 | Van Buren County | MI State Average |
|---|
| Population | 5,321 | 81,232 (Total) | 10,077,716 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 23.8 /sq mi | -- | -- |
| County Pop Rank | #8 of 14 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →