Mason, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Mason, Ohio is 35,148 as of the 2023 American Community Survey, making it the 42nd-largest city in Ohio. The median household income is $124,407, the median home value is $397,900, and the median age is 42.2.
The population has grown 16.7% since 2010 (30,899 → 36,046).
35,148
Population
1804
People / sq mi
$124,407
Median Income
$397,900
Median Home Value
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Mason covers 19.5 sq mi of land at 1804 people per square mile.
About Mason, OH
Educational attainment is the headline number in Mason: 61.6% of adults 25 and older have a four-year degree. With 35,148 residents, Mason is a city in Ohio. It ranks #42 among cities in Ohio by population.
Median household income is $124,407, above the US median of $78,538. Poverty is relatively low for US cities at 3.4%, below the national 12.4%. Median home value is $397,900, with typical rent around $1,670.
Degree attainment is near the top of the range for US cities: 61.6% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Remote work is on the higher side at 21.4%, above the national 14.0%, and the average commute runs about 26 minutes each way.
The education numbers are the throughline: a college-heavy population in Mason usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Mason city Population History (2010-2024)
The city of Mason city had a population of 30,899 in 2010 and 36,046 in 2024, a 16.7% growth over 14 years. The peak was 36,046 in 2024. Average annual growth rate: 1.11%.
36,046
Population (2024)
30,899
Population (2010)
36,046
Peak (2024)
1.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 30,899 |
| 2011 | 31,084 |
| 2012 | 31,197 |
| 2013 | 31,386 |
| 2014 | 31,551 |
| 2015 | 32,550 |
| 2016 | 32,938 |
| 2017 | 33,222 |
| 2018 | 33,580 |
| 2019 | 33,870 |
| 2020 | 34,886 |
| 2021 | 35,197 |
| 2022 | 35,602 |
| 2023 | 35,868 |
| 2024 | 36,046 |
Race & Ethnicity
| White | 74.8% |
| Black or African American | 5.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Economy & Income
$124,407
Median Household Income
$61,336
Per Capita Income
3.4%
Poverty Rate
1.6%
Unemployment Rate
Housing
$397,900
Median Home Value
$1,670
Median Rent
81.4%
Owner-Occupied
Education
97.4%
High School+
61.6%
Bachelor's+
Commute
0.4%
Drive Alone
72.5%
Public Transit
21.4%
Work From Home
26.0 min
Avg Commute
Community Profile
29.1%
Foreign Born
81.2%
Non-English at Home
6.4%
Veterans
8.1%
With Disability
98.3%
Health Insurance
97.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.1% |
| Finance, Insurance & Real Estate | 17.8% |
| Manufacturing | 17.6% |
| Information | 9.2% |
| Education, Health Care & Social Services | 7.9% |
| Retail Trade | 3.7% |
| Arts, Entertainment & Food Services | 2.7% |
| Public Administration | 2.7% |
| Construction | 1.6% |
| Transportation & Warehousing | 0.8% |
| Agriculture & Mining | 0.3% |
Largest cities in Ohio
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Metro areas in Ohio
City rankings
Frequently Asked Questions
Mason, Ohio has a population of 35,148 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 42nd-largest city in Ohio.
The median household income in Mason, Ohio is $124,407, with 3.4% of residents living below the federal poverty level.
The median home value in Mason, Ohio is $397,900, with median monthly rent at $1,670 and a homeownership rate of 81.4%.
The median age in Mason, Ohio is 42.2 years. The population is 49.8% male and 50.2% female.
The population has grown 16.7% since 2010 (30,899 → 36,046).
Mason city, OH Climate
Mason city, OH has an average annual temperature of 11.5°C (53°F) and receives about 1058 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.5°C
Avg Temp
1058
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 67 mm |
| February | 0° / 32° | 65 mm |
| March | 6° / 42° | 98 mm |
| April | 11° / 52° | 100 mm |
| May | 17° / 62° | 117 mm |
| June | 22° / 71° | 90 mm |
| July | 24° / 75° | 107 mm |
| August | 23° / 73° | 92 mm |
| September | 19° / 67° | 82 mm |
| October | 13° / 55° | 74 mm |
| November | 6° / 44° | 88 mm |
| December | 1° / 33° | 78 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Mason city, OH
The most comfortable months to visit Mason city, OH are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -7°C low). May is usually the wettest month.
Where to stay near Mason
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.