ZIP code · Columbus · Ohio · United States

ZIP code 43240 — Columbus

ZIP code 43240 serves Columbus, Ohio.

Postal code
43240
Single source Value from one source, not cross-checked.
City
Columbus
County
Franklin FIPS 39041
State
Ohio
Country
United States
Coordinates
40.1454, -82.9817 — precision precise (locality)
View on OpenStreetMap
Population
7,287 (ZCTA, ACS 5-year)
Population density
2,963 / sq mi
Land area
2.5 sq mi (6.4 km²) (ZCTA, ACS 5-year)
Median household income
$87,389
Per-capita income
$50,945
Median age
34.2
Households
3,406
Housing units
3,602
Median home value
$289,800
Median gross rent
$1,462 / month
Congressional district
OH-4 (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/New_York (UTC−5 / UTC−4 DST)
Area codes
614, 380
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 86°F), coldest Jan (avg low 22°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384253667683868579675342
Avg low °F222432425261656356453527
Precip in2.92.43.43.94.25.04.63.63.33.02.93.0

NOAA 1991–2020 climate normals from the nearest station: WESTERVILLE (2.4 mi) · NOAA NCEI

Places in ZIP 43240

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