ZIP code · De Graff · Ohio · United States

ZIP code 43318 — De Graff

ZIP code 43318 serves De Graff, Ohio.

Postal code
43318
Single source Value from one source, not cross-checked.
City
De Graff
County
Logan FIPS 39091
State
Ohio
Country
United States
Coordinates
40.3058, -83.9153 — precision precise (locality)
View on OpenStreetMap
Population
4,065 (ZCTA, ACS 5-year)
Population density
63 / sq mi
Land area
64.2 sq mi (166.2 km²) (ZCTA, ACS 5-year)
Median household income
$78,869
Per-capita income
$42,991
Median age
37.3
Households
1,588
Housing units
1,648
Median home value
$204,900
Median gross rent
$1,005 / month
Congressional district
OH-4 (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/New_York (UTC−5 / UTC−4 DST)
Area codes
937, 326
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 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343748617180838176645038
Avg low °F182029395160636254433224
Precip in3.02.53.24.14.35.04.53.93.22.83.13.1

NOAA 1991–2020 climate normals from the nearest station: BELLEFONTAINE (8.1 mi) · NOAA NCEI

Places in ZIP 43318

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