ZIP code · Trafalgar · Indiana · United States

ZIP code 46181 — Trafalgar

ZIP code 46181 serves Trafalgar, Indiana.

Postal code
46181
Single source Value from one source, not cross-checked.
City
Trafalgar
County
Johnson FIPS 18081
State
Indiana
Country
United States
Coordinates
39.3696, -86.1838 — precision precise (locality)
View on OpenStreetMap
Population
5,094 (ZCTA, ACS 5-year)
Population density
112 / sq mi
Land area
45.5 sq mi (117.7 km²) (ZCTA, ACS 5-year)
Median household income
$85,625
Per-capita income
$44,815
Median age
40.9
Households
1,925
Housing units
1,959
Median home value
$278,600
Median gross rent
$951 / month
Congressional districts
IN-6 (also IN-9) (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Indiana/Indianapolis (UTC−5 / UTC−4 DST)
Area codes
317, 463
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F354051637381848378665240
Avg low °F182029405161646154413123
Precip in3.02.53.64.95.35.04.23.33.23.33.53.4

NOAA 1991–2020 climate normals from the nearest station: FRANKLIN WWTP (10.3 mi) · NOAA NCEI

Places in ZIP 46181

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page