ZIP code · Uniondale · Indiana · United States

ZIP code 46791 — Uniondale

ZIP code 46791 serves Uniondale, Indiana.

Postal code
46791
Single source Value from one source, not cross-checked.
City
Uniondale
County
Wells FIPS 18179
State
Indiana
Country
United States
Coordinates
40.8369, -85.2403 — precision precise (locality)
View on OpenStreetMap
Population
1,025 (ZCTA, ACS 5-year)
Population density
63 / sq mi
Land area
16.2 sq mi (41.9 km²) (ZCTA, ACS 5-year)
Median household income
$111,563
Per-capita income
$46,610
Median age
39.6
Households
447
Housing units
494
Median home value
$245,900
Median gross rent
$964 / month
Congressional district
IN-3 (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 code
260
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 83°F), coldest Jan (avg low 17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323647607180838176634937
Avg low °F171928395160636154423223
Precip in2.52.02.63.84.74.74.53.83.12.93.12.3

NOAA 1991–2020 climate normals from the nearest station: BLUFFTON 6N (4.7 mi) · NOAA NCEI

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