ZIP code · Geronimo · Oklahoma · United States

ZIP code 73543 — Geronimo

ZIP code 73543 serves Geronimo, Oklahoma.

Postal code
73543
Single source Value from one source, not cross-checked.
City
Geronimo
County
Comanche FIPS 40031
State
Oklahoma
Country
United States
Coordinates
34.4805, -98.3875 — precision precise (locality)
View on OpenStreetMap
Population
1,884 (ZCTA, ACS 5-year)
Population density
28 / sq mi
Land area
66.8 sq mi (173 km²) (ZCTA, ACS 5-year)
Median household income
$71,125
Per-capita income
$34,925
Median age
34.9
Households
785
Housing units
893
Median home value
$105,600
Median gross rent
$1,115 / month
Congressional district
OK-4 (119th Congress)
USDA hardiness zone
8a (10 to 15 °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
580 (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 97°F), coldest Jan (avg low 27°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F545867758392979688776454
Avg low °F273241495968727163503829
Precip in1.00.91.92.53.74.02.03.22.82.51.51.5

NOAA 1991–2020 climate normals from the nearest station: LAWTON MUNI AP (5.7 mi) · NOAA NCEI

Places in ZIP 73543

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