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Mason, OH

City in Warren County, Ohio. ZIP codes: 45040.

Population

35,509

Land area

19.5sq mi

People per sq mi

1,823

ZIP codes

1

Mason and its ZIP codes

Full map

Mason at a glance

  • Mason is about 6.3 times as dense as Ohio as a whole.
  • It is the 39th most populous of 1,264 cities and towns in Ohio.
  • Households here earn a median of $125,401 a year, 76% more than the Ohio figure of $71,389.
  • A typical owner-occupied home is valued at $426,200 (98% above Ohio) and median rent is $1,760 a month.

Local data for Mason, OH

Counts from official public data

Housing and community stats

Mason, OH, American Community Survey 2020-2024

Full profile

Median household income

$125,401

Poverty rate

3.6%

Median home value

$426,200

Median rent

$1,760/mo

Homeownership

80.1%

Bachelor's or higher

60.4%

Median age

42.4

Average commute

25.1 min

Largest reported origins and ancestries: German Americans (8,517), Irish Americans (3,495), Indian Americans (3,028).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Warren County. PPP loans are for Mason.

Details

Unemployment rate

3.2%

Aug 2026, -0.8 pts in a year

Average annual pay

$69,686

102,347 jobs, 2025

Income per person

$81,022

BEA, 2024

Federal spending

$1.4B

FY 2026, $5,791 per person

PPP loans

$167M

1,538 loans, 19,981 jobs reported

Warren County economyFederal spendingPPP loans

How people get to work

Mason, OH, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone70.6%
  • Carpooled4.8%
  • Public transit0.3%
  • Walked0.1%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.8%
  • Worked from home23.4%

Average one-way commute: 25.1 minutes for people who do not work from home.

Environment and hazard risk

Mason, OH, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: ice storm

Storm events since 1996

816

Countywide, mostly thunderstorm wind

Flood insurance policies

434

0.5% of homes, county

July high / Jan low

87° / 22°F

41.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Mason, OH, CDC PLACES estimates

All 40 measures

Obesity

30.6%

U.S. 33.3% -2.7 pts

Diabetes

10.8%

U.S. 12.1% -1.3 pts

Smoking

10.2%

U.S. 12.8% -2.6 pts

Uninsured (18-64)

5.0%

U.S. 11.1% -6.1 pts

ZIP codes in Mason

1 in or overlapping Mason. Population shown

·

Cities near Mason

NameDistanceLand area (sq mi)
Kings MillsCensus-designated place3 mi1.1
Four BridgesCensus-designated place3.1 mi2.2
LandenCensus-designated place3.2 mi2
WetheringtonCensus-designated place3.9 mi0.9
Loveland ParkCensus-designated place4.8 mi1.3
South LebanonVillage5.1 mi3.4
HighpointCensus-designated place5.3 mi0.3
Olde West ChesterCensus-designated place5.6 mi0.4
Sixteen Mile StandCensus-designated place5.7 mi1.1
MainevilleVillage5.9 mi1.6
BreconCensus-designated place6 mi0.7
LovelandCity6.2 mi5.3
MonroeCity6.6 mi15.8
LebanonCity6.7 mi13.5
Beckett RidgeCensus-designated place7.3 mi4.8
SharonvilleCity8 mi9.8

Frequently asked questions

What county is Mason, OH in?
Mason is in Warren County, Ohio.
What ZIP codes are in Mason, OH?
ZIP codes in or overlapping Mason include 45040.
What is the population of Mason, OH?
About 35,509 people live in Mason, based on American Community Survey 5-year estimates.
What cities are near Mason?
Nearby places include Kings Mills (3 mi), Four Bridges (3.1 mi), Landen (3.2 mi), Wetherington (3.9 mi), Loveland Park (4.8 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023