ZIP Code 45040 - Mason Ohio

ZIP Code 45040 is located in Mason Ohio. Portions of 45040 are also in Kings Mills and Landen and Lebanon and Deerfield Township (Warren County) and Turtlecreek Township and Union Township (Warren County). 45040 is entirely within Warren County. Regionally, 45040 is located in Metro Cincinnati.

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ZIP Code 45040 Quick Stats

ZIP Code NameMason
Primary CountyWarren County
ZIP Code TypeStandard
Population (2022)57,214
Area Code(s)283 / 513
Current Time

ZIP Code 45040 Map

45040 Demographics

45040 can be classified socioeconomically as 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 45040 is White. The majority race/ethnicity attending public schools in 45040 is White. The current unemployment level in 45040 is 4.2%.

Population Growth Rate5.22%
Population Density1,992 People per Square Mile
Total Households17,475
Percentage High Income Households11.1%
Median Household Income (2021)$117,487
Average Adjusted Gross Income (2021)$515,270
Current Unemployment Rate (June 2024)4.2%
Majority Race/EthnictyWhite - 72.13%
Public School Majority Race/EthnictyWhite - 54.30%

45040 Race/Ethnicty Breakdown

Native American560.1%
Hawaiian/Pac. Islander00%

45040 Public School Race/Ethnicty Breakdown

Native American180.18%
Hawaiian/Pac. Islander480.49%

45040 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,4764.88%
Bachelor Degree9,70932.12%
High School Diploma5,15817.07%
No High School Diploma2030.67%
GED or Alternate5141.7%
1 or More Years of College3,22010.65%
Associates Degree2,3747.85%
Masters Degree5,90219.53%
Professional Degree8602.85%
Doctorate Degree8082.67%

45040 Geography

Adjacent ZIP Codes
Cities/Towns in 45040
RegionMetro Cincinnati
Metropolitan/Micropolitan Stat AreaCincinnati, OH-KY-IN
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area29 Square Miles

45040 Politics

US Congressional Districts in 45040
Ohio State Senate Districts in 45040
Ohio State House of Representatives Districts in 45040

45040 Weather and Climate Data

Plant Hardiness ZoneZone 6a: -10F to -5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion55b - Loamy High Lime Till Plains

45040 Annual Climate Data

Avg Min Temp (°F)19223140505963615442332542
Avg Max Temp (°F)37425264748286857867534263
Avg Precip (In.)3.012.613.534.144.814.

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