ZIP code · Baltimore · Ohio · United States

ZIP code 43105 — Baltimore

ZIP code 43105 serves Baltimore, Ohio.

Postal code
43105
Single source Value from one source, not cross-checked.
City
Baltimore
County
Fairfield FIPS 39045
State
Ohio
Country
United States
Coordinates
39.8645, -82.6240 — precision precise (locality)
View on OpenStreetMap
Population
9,059 (ZCTA, ACS 5-year)
Population density
160 / sq mi
Land area
56.6 sq mi (146.7 km²) (ZCTA, ACS 5-year)
Median household income
$96,824
Per-capita income
$43,901
Median age
40.7
Households
3,471
Housing units
3,584
Median home value
$311,200
Median gross rent
$843 / month
Congressional district
OH-12 (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
220, 740
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 84°F), coldest Jan (avg low 20°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384252657482848378665342
Avg low °F202231405059626052413226
Precip in2.92.33.63.93.84.44.43.13.22.93.02.9

NOAA 1991–2020 climate normals from the nearest station: LANCASTER FAIRFIELD AP (7.7 mi) · NOAA NCEI

Places in ZIP 43105

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