Residential delivery area · Michigan
ZIP Code 49045: Decatur, MI
ZIP code 49045 uses the postal name Decatur, Michigan and lies mostly in Van Buren County (80% of its land) with the rest in Cass County (Census 2020 ZIP-county file). About 5,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $57,436 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Decatur; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Decatur · its only residential ZIP
- County
- Van Buren County (80%); Cass County (20%)
- Census places
- Decatur
- House districts
- MI-4 (80%), MI-5 (20%) 119th Congress, by share of land
- State
- Michigan
- Time zone
- Eastern
- Land area
- 86.4 sq mi · 62 people per sq mi
Where is ZIP code 49045?
49045 centers on 42.102°, -85.999° and covers 86.4 square miles of land plus 2.5 of water. It borders 7 ZIP codes: 49065, 49064, 49047, 49079, 49057, 49067, 49031.
The map draws ZIP code areas only. For the streets inside 49045, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 49045 compare with the rest of Van Buren County?
| Measure | 49045 | In Van Buren County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 5,321 | 15th of 22 | 470th of 992 |
| Median household income | $57k | 16th of 20 | 622nd of 774 |
| Median home value | $177k | 11th of 19 | 479th of 779 |
Its median household income is higher than in 25% of U.S. residential ZIP codes, and it is denser than 46% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 49045?
The 2020 Census counted 5,256 people in 49045; the ACS, which samples households over 2020-2024, estimates 5,321. Between the 2010 and 2020 censuses its population fell 6.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,321
- 2020 Census count
- 5,256−6.1% since 2010 (5,598)
- Households
- 2,281
- Median age
- 45.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 49045?
Of the 5,321 people the ACS estimates in 49045, 20.5% are under 18 and 20.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.8%), then Hispanic or Latino (12.3%).
- Under 1820.5%
- 18 to 6459.1%
- 65 and older20.4%
- White, not Hispanic80.8%
- Hispanic or Latino12.3%
- Other or two or more5.5%
- Black, not Hispanic1.3%
- Asian, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 49045 earn?
Median household income is $57,436 (ACS 2020-2024), the 16th highest of the 20 ranked ZIP codes in Van Buren County. It is not measurably different from 2015-2019 ($61,455 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $57,436±$8,930
- Income per person
- $33,383
- Below the poverty line
- 18.0%
- Unemployed (of the labor force)
- 4.7%
- Adults 25+ with a bachelor's degree
- 15.5%
- Adjusted gross income per tax return, 2022
- $56,4592,480 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 49045?
FHFA's house price index for 49045, built from repeat sales and appraisals of the same homes, rose 85% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +6.1% in 2025.
- Median home value (owners' estimate)
- $177,300
- Median gross rent
- $838
- Homes owned by their occupants
- 84.6%
- Housing units
- 2,832
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 49045?
82 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade15
- Health care and social assistance15
- Construction14
- Other services (except public administration)9
- Accommodation and food services7
- Professional, scientific, and technical services5
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 49045?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 49065 | Lawton | 7,092 | $71k | 8.4 mi |
| 49064 | Lawrence | 3,635 | $69k | 8.5 mi |
| 49047 | Dowagiac | 14,858 | $63k | 9.2 mi |
| 49079 | Paw Paw | 13,414 | $73k | 10.6 mi |
| 49057 | Hartford | 6,434 | $51k | 11.0 mi |
| 49067 | Marcellus | 3,974 | $75k | 11.6 mi |
| 49031 | Cassopolis | 7,869 | $67k | 13.8 mi |
| 49098 | Watervliet | 6,215 | $59k | 13.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.