ZIP code · Miller City · Ohio · United States

ZIP code 45864 — Miller City

ZIP code 45864 serves Miller City, Ohio.

Postal code
45864
Single source Value from one source, not cross-checked.
City
Miller City
County
Putnam FIPS 39137
State
Ohio
Country
United States
Coordinates
41.1038, -84.1315 — precision precise (locality)
View on OpenStreetMap
Population
185 (ZCTA, ACS 5-year)
Population density
164 / sq mi
Land area
1.1 sq mi (2.9 km²) (ZCTA, ACS 5-year)
Median household income
$76,250
Per-capita income
$31,461
Median age
38.5
Households
77
Housing units
80
Median home value
$164,100
Congressional district
OH-5 (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 code
419
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 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F333748617381848276645038
Avg low °F192230405161646254443425
Precip in2.62.22.63.84.44.34.03.53.12.82.82.6

NOAA 1991–2020 climate normals from the nearest station: PANDORA (14.0 mi) · NOAA NCEI

Places in ZIP 45864

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