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ZIP Code 45390 - Union City Ohio

Overview

ZIP Code 45390 is located in Union City Ohio. Portions of 45390 are also in Jackson Township (Darke County) and Washington Township (Darke County) and Mississinawa Township and Brown Township (Darke County). 45390 is entirely within Darke County. Regionally, 45390 is located in the Dayton Area.

ZIP Code 45390 Quick Stats

ZIP Code NameUnion City
Primary CountyDarke County
ZIP Code TypeStandard
Population (2022)3,341
Area Code(s)326 / 937
Current Time
EDT

ZIP Code 45390 Map

Map of ZIP Code 45390 in Union City, OH — click to open interactive map

45390 Demographics

45390 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Ohio based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 45390 is White. The majority race/ethnicity attending public schools in 45390 is White. The current unemployment level in 45390 is 4%.

Population3,341
Population Growth Rate-6.59%
Population Density57 People per Square Mile
Total Households1,327
Percentage High Income Households0.2%
Median Household Income (2021)$53,717
Average Adjusted Gross Income (2021)$369,750
Current Unemployment Rate (May 2026)4%
Sales Tax Rate (2025)7.2%
Majority Race/EthnicityWhite - 86.74%
Public School Majority Race/EthnicityWhite - 87.46%

45390 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White2,90486.74%
Black982.93%
Hispanic3269.74%
Asian200.6%
Native American00%
Hawaiian/Pac. Islander00%

45390 Public School Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White60089.69%
Black50.75%
Hispanic608.97%
Asian00%
Native American00%
Hawaiian/Pac. Islander40.6%

45390 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College934.97%
Bachelor Degree743.96%
High School Diploma1,03655.4%
No High School Diploma522.78%
GED or Alternate1407.49%
1 or More Years of College32517.38%
Associates Degree884.71%
Masters Degree522.78%
Professional Degree00%
Doctorate Degree100.53%

45390 Geography

Coordinates40.2143898, -84.7651825
Adjacent ZIP Codes
Cities/Towns in 45390
RegionDayton Area
Metropolitan/Micropolitan Stat AreaGreenville, OH
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area59 Square Miles

45390 Weather and Climate Data

Plant Hardiness ZoneZone 5b: -15F to -10F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion55a - Clayey High Lime Till Plains
45390 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)16192939505962605341322240
Avg Max Temp (°F)32374860718084827664503760
Avg Precip (In.)2.081.912.913.654.094.254.163.562.732.663.112.7337.85

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