ZIP code · Lyndon · Kansas · United States

ZIP code 66451 — Lyndon

ZIP code 66451 serves Lyndon, Kansas.

Postal code
66451
Single source Value from one source, not cross-checked.
City
Lyndon
County
Osage FIPS 20139
State
Kansas
Country
United States
Coordinates
38.6356, -95.6802 — precision precise (locality)
View on OpenStreetMap
Population
1,809 (ZCTA, ACS 5-year)
Population density
23 / sq mi
Land area
78.2 sq mi (202.5 km²) (ZCTA, ACS 5-year)
Median household income
$77,708
Per-capita income
$35,663
Median age
38.8
Households
644
Housing units
746
Median home value
$155,700
Median gross rent
$686 / month
Congressional district
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
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 91°F), coldest Jan (avg low 22°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F414657677686918982705644
Avg low °F222434445565706859463526
Precip in1.01.72.33.85.55.43.94.14.03.22.31.6

NOAA 1991–2020 climate normals from the nearest station: POMONA LAKE (6.2 mi) · NOAA NCEI

Places in ZIP 66451

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