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Decatur city, IN

ZIP Code 46733 — Decatur city, IN Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
19,246
Median Income
$63,804
-15% vs US avg
Home Value
$162,500
-53% vs US avg
Median Rent
$599
-48% vs US avg
Median Age
41.1 yrs
+6% vs US avg
Timezone
America/Indiana/Indianapolis
Area Code
Congress
Top Ancestry
GermanEnglishIrish
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Location
Coordinates
40.8282, -84.9400
Elevation
785 ft
Land Area
172.5 sq mi
Water Area
0.3 sq mi (0% water)

At a glance

Population
19,246
Density
N/A
Median income
$63,804
-15% vs US avg
Home value
$162,500
-53% vs US avg
Median rent
$599
-48% vs US avg
Timezone
America/Indiana/Indianapolis

Overview of ZIP Code 46733

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What to know about ZIP 46733

ZIP code 46733 covers Decatur, IN in Adams County with a population of about 19,246.

At a glance, the area shows median age of 41.1 versus a U.S. median of about 38.9.

It sits in telephone area code 260; U.S. House district IN-3; the FT. WAYNE media market.

Income and economy in Decatur, IN

Median household income in ZIP 46733 is about $63,804 — about 15% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.2%; unemployment rate near 2.3%; 15.5% of adults with a bachelor’s degree or higher (about 18.2 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Retail trade; about 4.2% of workers reporting work-from-home (about 11.0 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 46733

Median home value is about $162,500 — about 53% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $599 (about 48% below the U.S. median rent ($1,163)), and owner-occupancy near 82.1% (about 16.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 46733 in Decatur, IN, a household would need roughly $45,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,044. That sits below the local median household income ($63,804), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Decatur city, IN as Relatively Low (composite score 52.1), which is near the middle of the national distribution. The strongest component scores on US5 are flood (61.3) and hurricane (39.8). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Decatur city, IN show little to no average snow and around 40.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 885 for ZIP 46733 (Decatur city, IN) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport FWA (16.9 miles (27.2 km)) · Indiana Institute of Technology (19.6 miles (31.5 km)) · Dayton Aviation Heritage National Historical Park (84.2 miles (135.5 km)) · VA: Fort Wayne Vet Center (17.6 miles (28.3 km))

Full lists and map pins are in the Infrastructure section below.