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ZIP code

45040

Mason, OH

STANDARD

45040 covers Mason in Warren County, with 58,132 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

58,132

Median household income

$131,803

Median home value

$403,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 45040. Methodology

ZIP code map of 45040

Census ZCTA boundary for ZIP 45040 in Mason, Ohio
Census ZCTA boundary for ZIP 45040 in Mason, Ohio. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 45040

Type

STANDARD

City

Mason

County

Warren County

Timezone

America/New_York

Area codes

283, 513

Land area

28.5 sq mi

Water area

0.05 sq mi

Households

21,977

Median gross rent

$1,691

More enterprise fields

Timezone
America/New_York
Area Codes
283, 513
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 45040. Not ACS. Methodology

People in 45040

Race

  • White37,740
  • Black or African American2,443
  • American Indian or Alaska Native108
  • Asian12,416
  • Native Hawaiian and Pacific Islander107
  • Other race802
  • Two or more races3,537

Hispanic or Latino (any race): 2,342

Age

  • Under 107,021
  • 10 to 199,840
  • 20 to 295,182
  • 30 to 396,780
  • 40 to 498,923
  • 50 to 598,911
  • 60 to 695,564
  • 70 to 793,113
  • 80 and older1,819

Income and housing in 45040

Poverty rate

4.6%

Median earnings

$68,422

Median household income

$131,803

Median home value

$403,700

Median gross rent

$1,691

Education

  • High school graduate97.5%
  • Bachelor's degree64.9%
  • Graduate degree27.3%

Places covering 45040

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

39.3% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 45040

IRS populationACS population
62,78331,391020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200550,312
200648,681
200750,870
200850,574
200951,211
201051,380
201150,26552,048
201250,85952,340
201351,46952,560
201452,05252,590
201552,55153,670
201653,87954,560
201753,84854,870
201854,50755,420
201954,89055,740
202056,06856,650
202156,65956,300
202257,21456,310
202358,132

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 45040

12 nearest ZIP centroids (any distance)

  1. 45034Kings Mills3.6 miPop 1,080 · Income $152,829
  2. 45039Maineville4.4 miPop 28,958 · Income $111,774
  3. 45249Cincinnati5.3 miPop 14,219 · Income $107,227
  4. 45069West Chester5.3 miPop 55,635 · Income $115,539
  5. 45065South Lebanon5.5 miPop 6,938 · Income $107,222
  6. 45241Cincinnati6.9 miPop 23,545 · Income $94,943
  7. 45050Monroe7.1 miPop 12,162 · Income $104,519
  8. 45140Loveland7.5 miPop 56,854 · Income $110,781
  9. 45242Cincinnati7.8 miPop 22,253 · Income $120,869
  10. 45036Lebanon8.2 miPop 43,262 · Income $97,944
  11. 45246Cincinnati9.1 miPop 13,925 · Income $70,150
  12. 45147Miamiville9.7 miPop 64 · Income —

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 45040, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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45040 Mason, OH

Looking up ZIP codes within 2 miles of 45040 Mason, OH, measured by centroid distance.

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ACS population

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Households

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Avg median income

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ZIP code 45040 FAQ

What city is ZIP code 45040 in?
45040 is in Mason, OH.
What county is 45040 in?
45040 is in Warren County.
What is the median household income in 45040?
The median household income in 45040 is $131,803.
Which ZIP codes are near 45040?
Use the radius tool on this page to list ZIP codes within a chosen distance of 45040.