Decatur
Source:
Indiana
Decatur is a smaller county in Indiana with 4 ZIP codes, 26,495 people, and above-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Decatur, IN sits among US counties with an above-median household income, on a smaller county population base, across a handful of delivery areas.
- Top 39%
- household income vs 3,210 US counties
- 26,495
- combined ZIP population
- 4
- USPS ZIP codes covered
- $71,970
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Decatur lands in the national county income distribution as above-median household income on smaller county footing (FIPS 18031, 4 ZIPs, combined population 26,495). On this short ZIP list the county page is mainly the FIPS bridge - household ACS fields live on the primary ZIP.
Above-median income with few ZIPs: treat the top code (47240) as the primary ACS record and this county page as the FIPS bridge. Intra-county contrast is limited by construction.
Population clears twenty-five thousand even with few ZIPs - density can still swing hard inside the short list. Compare the top two rows by population before treating FIPS 18031 averages as uniform.
Within Indiana, Tippecanoe is the closest lower-income county and Jefferson the closest higher-income county by average ZIP household income. Their 11 and 5 ZIP footprints are the immediate statewide comparison set for Decatur. Use those locations as statewide context before treating the county average as a local-market answer.
4
Total ZIPs
26,495
Total Population
ZIP Codes in Decatur
Side-by-side: Compare 47240 vs 47283 →
Frequently Asked Questions
What is the population of Decatur?
Decatur has a total population of 26,495 across 4 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Decatur?
Decatur includes 4 ZIP codes: 47240, 47283, 47272, 47263.