Decatur, IN

Single-footprint Census roll-up for Decatur, IN: 1 USPS ZIP, population 18,777. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet DECATUR-IN · Decatur, IN 1 ZIPs · 18,777 pop · #15649/25278 · Adams County

INC-MID · RANK-LOWER · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-LOW

  • INC-MID $64,483
  • RANK-LOWER #15649/25278
  • ABOVE-PEER over Geneva
  • BOOK-ONE 1 ZIP
  • OWN-MID 84% owners
  • POP-TOWN 18,777
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $176,200

Nearest income peer: Geneva, IN ( $5,999 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Decatur

Lowest/highest poles plus county-sharing cities nearest Decatur on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Decatur, IN sits among US cities with a below-median household income, on a town-scale population base, across a single-ZIP footprint.

38th pct
household income vs 25,278 US cities
18,777
city population (Census)
1
USPS ZIP codes covered
$64,483
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $64,483 and poverty 10.8% concentrate in 46733.

Owner-occupancy sits in a mixed band (84.1%) - check the ZIP page's tenure split before treating Decatur as a pure owner town.

Within Indiana, Edinburgh is the closest lower-income city and Thayer the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Decatur.

Population concentration

One ZIP, 46733, is all of Decatur

There is no split to weigh here: 46733 holds every one of Decatur's 18,777 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Decatur's one ZIP

Citywide ZBP: 464 establishments, 6,814 employees , annual payroll $321,614k (~25 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 46733 (464 units) ; leading NAICS Other services (except public administration) (77) · also Retail trade · Construction .

View your shortlist →

ZIP Codes in Decatur, IN

These ZIP codes sit in Adams County, which covers 4 ZIP codes in all; 1 of them fall in Decatur. See the Adams County roll-up →

Decatur sits in the lower half of Adams County on income: Berne and Monroe report more, and only Geneva reports less. Monroe marks the far end of that range at $80,000, 24% above Decatur.

ZIP Code Population Median income Establishments Density
46733 18,777 $64,483 464 42

Decatur roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Decatur, .