ZIP code · Fort Riley · Kansas · United States

ZIP code 66442 — Fort Riley

ZIP code 66442 serves Fort Riley, Kansas.

Postal code
66442
Single source Value from one source, not cross-checked.
City
Fort Riley
County
Geary FIPS 20061
State
Kansas
Country
United States
Coordinates
39.0619, -96.7873 — precision precise (locality)
View on OpenStreetMap
Population
16,876 (ZCTA, ACS 5-year)
Population density
497 / sq mi
Land area
34 sq mi (88 km²) (ZCTA, ACS 5-year)
Median household income
$46,403
Per-capita income
$23,311
Median age
22.4
Households
3,996
Housing units
4,190
Median home value
$222,100
Median gross rent
$1,376 / month
Congressional districts
KS-1 (also KS-2) (119th Congress)
USDA hardiness zone
6b (-5 to 0 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
785 (from the nearest rate centre)
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 89°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394455657484898880685442
Avg low °F192333425464696758453323
Precip in0.71.11.93.15.24.84.24.22.82.31.41.3

NOAA 1991–2020 climate normals from the nearest station: MILFORD LAKE (6.0 mi) · NOAA NCEI

Places in ZIP 66442

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