Mason, OH demographics:
population, income, and more

Total population
35,509
1.0% year-over-year change
Median household income
$125,401/yr
0.8% year-over-year change
Housing units
13,866
3.8% year-over-year change

Mason population

How many people live in Mason

Mason is home to 35,509 residents, according to the most recent Census data. Gender-wise, 49.2% of Mason locals are male, and 50.8% are female.

Total population
35,509
1.0% year-over-year change
Gender ratio
Male
49.2%
17,483
Female
50.8%
18,026
Value Percent YoY change
Male 17,483 49.2% -0.1%
Female 18,026 50.8% 2.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Mason is 42, with the population distributed as follows: about 19.4% are children under 15, then 10.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 25% of the population, while another 29.2% fall into the 45 to 64 bracket. Finally, around 15.9% are 65 or older.

Median age
42.4
Age breakdown
Under 15
19.4%
15 to 24
10.6%
25 to 44
25%
45 to 64
29.2%
Over 65
15.9%
Value Percent YoY change
Under 15 6,887 19.4% -3.5%
15 to 24 3,748 10.6% -3.3%
25 to 44 8,881 25% 4.7%
45 to 64 10,359 29.2% -1.1%
Over 65 5,634 15.9% 8.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Mason, 82.1% of the population are US-born citizens, while 9.7% have gained naturalized citizenship. At the same time, 8.2% of residents are non-citizens. As for race, 74.6% of locals are Caucasian, 5% are African American and 14% have Asian roots. There’s also a share of 4.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
82.1%
Non-U.S.-born citizens
9.7%
Non-citizens
8.2%
Value Percent YoY change
U.S.-born citizens 29,150 82.1% 0.7%
Non-U.S.-born citizens 3,442 9.7% 2.2%
Non-citizens 2,917 8.2% 3.1%
Racial breakdown
White
74.6%
Black or African American
5%
American Indian and Alaska Native
0.1%
Asian
14%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.2%
Other
2.1%
Value Percent
White 26,471 74.6%
Black or African American 1,786 5%
American Indian and Alaska Native 35 0.1%
Asian 4,961 14%
Two or more races 1,505 4.2%
Other 751 2.1%

Households in Mason

A peek inside Mason households

Mason has 13,502 households, with an average of 3 members in each. Of these, 75.1% are families, while the remaining 24.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
13,502
3.8% year-over-year change
Average people per household
3
Non-family households
3,358
Family households
10,144
Value Percent YoY change
Non-family households 3,358 24.9% 9.2%
Family households 10,144 75.1% 2.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Mason

The housing landscape of Mason

Mason's housing consists of 13,866 units, with 69.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 17.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.3% of the housing landscape.

Housing units
13,866
3.8% year-over-year change
Housing types
Value Percent
1 unit, detached 9,601 69.2%
1 unit, attached 2,436 17.6%
2 units 175 1.3%
3 or 4 units 242 1.8%
5 to 9 units 766 5.5%
10 to 19 units 218 1.6%
20 to 49 units 13 0.1%
50 or more units 239 1.7%
Mobile home 176 1.3%
Homes built since 2020
152
2.0% year-over-year change

The age of buildings in Mason

In Mason, the median construction year is 1996. About 1.7% of homes were built before the 1940s, with another 0.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 23.1% of homes were added from 2000 to 2009, 15.5% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 232 1.7% -13.4%
Built between 1940 and 1949 106 0.8% 26.2%
Built between 1950 and 1959 588 4.2% 41.4%
Built between 1960 and 1969 636 4.6% 20.0%
Built between 1970 and 1979 1,460 10.5% -0.1%
Built between 1980 and 1989 1,358 9.8% 5.6%
Built between 1990 and 1999 3,992 28.8% -3.9%
Built between 2000 and 2009 3,198 23.1% 4.9%
Built between 2010 and 2019 2,144 15.5% 9.3%
Built in 2020 or later 152 1.1% 2.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Mason occupancy rates

Out of the 13,502 occupied housing units in Mason, 80.1% are owner-occupied, while 19.9% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
13,502
3.8% year-over-year change
Occupancy breakdown
Renter occupied
2,689
Owner occupied
10,813
Value Percent YoY
change
Renter occupied 2,689 19.9% 11.0%
Owner occupied 10,813 80.1% 2.1%
Unoccupied housing units
2.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Mason housing costs

Housing costs in Mason come to a median of $1,732 per month, while tenants specifically pay a median gross rent of $1,760.

Median housing costs per month
$1,732/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Mason
$1,760/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Mason

Mason education at a glance

About 18.6% of the population in Mason went to high school, while 15.8% pursued college studies. Another 7.6% earned an associate degree and 33.3% hold a bachelor’s. Meanwhile, 23.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 292 1.1% 22.7%
High school diploma 5,007 18.6% 5.5%
College diploma 4,258 15.8% 7.3%
Associate degree 2,039 7.6% -1.6%
Bachelor's degree 8,951 33.3% -0.2%
Graduate degree 6,349 23.6% 2.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Mason

How much people earn in Mason

The average annual household income in Mason was $167,491 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.5% change from the previous year. At the same time, the median income stood at $125,401, reflecting a +0.8% shift over the same period.

Average household income in Mason
$167,491/year
3.5% year-over-year change
Median household income in Mason
$125,401/year
0.8% year-over-year change

Mason income by age

In Mason, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $126,809. Those with someone between 45 and 64 in charge, often well established professionally, earn $166,333 overall. Overall, 96.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $126,809 0.6%
45 - 64 $166,333 -0.2%
Over 65 $68,179 9.2%
Above poverty level
33,489
Below poverty level
1,259
Value Percent YoY
change
Above poverty level 33,489 96.4% 1.8%
Below poverty level 1,259 3.6% -9.5%

Average renter income in Mason

To get a better sense of what renters earn on average in Mason, their median household income was $98,227 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 21.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$98,227
Rent-to-income ratio
21.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Mason

Workforce and job types in Mason

The job market in Mason is powered by 18,699 working residents, spread across a range of industries and roles. 91.2% of the working population are employed in professional or administrative positions, while 8.8% are in hands-on or service-based jobs. Also, 8% run their own businesses, 70.1% are employed by private companies, and 10.6% work in the public sector.

Workforce demographics

Working population
18,699
0.8% year-over-year change
White collar
17,061
Blue collar
1,638
Value Percent YoY change
White collar 17,061 91.2% -0.3%
Blue collar 1,638 8.8% 14.2%
Employer type
Self employees
8%
Private companies
70.1%
Governmental workers
10.6%
Not for profit companies
11.3%
Value Percent YoY change
Self employees 1,506 8% -2.2%
Private companies 13,109 70.1% 0.0%
Governmental workers 1,978 10.6% -2.0%
Not for profit companies 2,106 11.3% 11.6%
Unemployment rate
2.0%
-16.7% year-over-year change

Available workforce

The unemployment rate in Mason stands at 2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Mason

How people get around in Mason

Commuting methods vary: 75.4% of residents travel by personal vehicle and 0.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 13,839 75.4% -1.7%
Taxicab 72 0.4% 41.2%
Bus or trolleybus 54 0.3% -20.6%
Walk 22 0.1% 15.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Mason by zipcode?

Zipcode Population Number of households Median income Average income
45040 59,518 22,000 $133,240 $186,512

Find your place

Explore more communities

FAQs about Mason demographics 

What is the total population of Mason?

Mason has a total population of 35,509 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.0% compared to a year ago.

What is the gender ratio in Mason?

The gender ratio in Mason is as follows:
  • 49.2% males (17,483 residents)
  • 50.8% females (18,026 residents)

What is the median age in Mason?

The median age in Mason is 42.4.

What is the age distribution of the population in Mason?

The age distribution in Mason is as follows:
  • Under 15: 19.4% (6,887 residents)
  • Ages 15-24: 10.6% (3,748 residents)
  • Ages 25-44: 25% (8,881 residents)
  • Ages 45-64: 29.2% (10,359 residents)
  • Over 65: 15.9% (5,634 residents)

What is the racial and ethnic makeup of Mason?

The racial and ethnic makeup of Mason is as follows:
  • White: 74.6% (26,471 residents)
  • Black or African American: 5% (1,786 residents)
  • American Indian and Alaska Native: 0.1% (35 residents)
  • Asian: 14% (4,961 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.2% (1,505 residents)
  • Other: 2.1% (751 residents)

What percentage of the population in Mason are U.S.-born citizens?

U.S.-born citizens represent 82.1% of the population in Mason.

How many housing units are there in Mason?

There are 13,866 housing units in Mason, reflecting a +3.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Mason and what is the average household size?

Mason has a total of 13,502 households, with an average of 3 people in each.

What is the median household income in Mason?

Mason has a median household income of $125,401, representing a +0.8% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Mason?

The employment rate is 98% in Mason, with a workforce of 18,699 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 91.2% (17,061 residents)
  • Blue-collar workers: 8.8% (1,638 residents)

Places of employment:
  • Self-employed: 8% (1,506 residents)
  • Private companies: 70.1% (13,109 residents)
  • Governmental workers: 10.6% (1,978 residents)
  • Not-for-profit companies: 11.3% (2,106 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025