Washington County, OH demographics:
population, income, and more

Total population
58,978
-0.6% year-over-year change
Median household income
$63,603/yr
3.7% year-over-year change
Housing units
27,949
-0.1% year-over-year change

Washington County population

How many people live in Washington County

Washington County is home to 58,978 residents, according to the most recent Census data. Gender-wise, 50% of Washington County locals are male, and 50% are female.

Total population
58,978
-0.6% year-over-year change
Gender ratio
Male
50%
29,505
Female
50%
29,473
Value Percent YoY change
Male 29,505 50% -0.4%
Female 29,473 50% -0.8%
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 Washington County is 44, with the population distributed as follows: about 16.2% are children under 15, then 12.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.6% of the population, while another 26.9% fall into the 45 to 64 bracket. Finally, around 22.2% are 65 or older.

Median age
44
Age breakdown
Under 15
16.2%
15 to 24
12.2%
25 to 44
22.6%
45 to 64
26.9%
Over 65
22.2%
Value Percent YoY change
Under 15 9,525 16.2% -1.3%
15 to 24 7,164 12.2% 1.0%
25 to 44 13,336 22.6% -0.9%
45 to 64 15,839 26.9% -2.6%
Over 65 13,114 22.2% 1.9%
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 Washington County, 98.6% of the population are US-born citizens, while 0.9% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. As for race, 93.9% of locals are Caucasian, 0.9% are African American and 0.6% have Asian roots. There’s also a share of 3.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.6%
Non-U.S.-born citizens
0.9%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 58,163 98.6% -0.3%
Non-U.S.-born citizens 521 0.9% -18.1%
Non-citizens 294 0.5% -17.2%
Racial breakdown
White
93.9%
Black or African American
0.9%
American Indian and Alaska Native
0.2%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.7%
Other
0.8%
Value Percent
White 55,364 93.9%
Black or African American 509 0.9%
American Indian and Alaska Native 110 0.2%
Asian 324 0.6%
Two or more races 2,189 3.7%
Other 482 0.8%

Households in Washington County

A peek inside Washington County households

Washington County has 24,779 households, with an average of 2 members in each. Of these, 63.9% are families, while the remaining 36.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
24,779
-0.4% year-over-year change
Average people per household
2
Non-family households
8,945
Family households
15,834
Value Percent YoY change
Non-family households 8,945 36.1% -3.3%
Family households 15,834 63.9% 1.3%
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 Washington County

The housing landscape of Washington County

Washington County's housing consists of 27,949 units, with 78.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.6% 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 8.8% of the housing landscape.

Housing units
27,949
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 21,894 78.3%
1 unit, attached 173 0.6%
2 units 683 2.4%
3 or 4 units 1,148 4.1%
5 to 9 units 533 1.9%
10 to 19 units 328 1.2%
20 to 49 units 297 1.1%
50 or more units 417 1.5%
Mobile home 2,447 8.8%
Boat, RV, van, etc. 29 0.1%
Homes built since 2020
139
39.0% year-over-year change

The age of buildings in Washington County

In Washington County, the median construction year is 1973. About 21.5% of homes were built before the 1940s, with another 3.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 8.8% of homes were added from 2000 to 2009, 5.1% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 6,008 21.5% 3.5%
Built between 1940 and 1949 1,072 3.8% -9.1%
Built between 1950 and 1959 2,719 9.7% -0.8%
Built between 1960 and 1969 2,892 10.4% -6.3%
Built between 1970 and 1979 4,963 17.8% 5.8%
Built between 1980 and 1989 3,483 12.5% -0.8%
Built between 1990 and 1999 2,789 10% -7.3%
Built between 2000 and 2009 2,456 8.8% -0.2%
Built between 2010 and 2019 1,428 5.1% 2.1%
Built in 2020 or later 139 0.5% 39.0%
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.

Washington County occupancy rates

Out of the 24,779 occupied housing units in Washington County, 75.4% are owner-occupied, while 24.6% are lived in by tenants. Meanwhile, 11.3% of all homes on the local market sit vacant.

Occupied housing units
24,779
-0.4% year-over-year change
Occupancy breakdown
Renter occupied
6,099
Owner occupied
18,680
Value Percent YoY
change
Renter occupied 6,099 24.6% -2.7%
Owner occupied 18,680 75.4% 0.3%
Unoccupied housing units
11.3%
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.

Washington County housing costs

Housing costs in Washington County come to a median of $826 per month, while tenants specifically pay a median gross rent of $852.

Median housing costs per month
$826/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 Washington County
$852/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 Washington County

Washington County education at a glance

About 44.4% of the population in Washington County went to high school, while 21.6% pursued college studies. Another 12.3% earned an associate degree and 13% hold a bachelor’s. Meanwhile, 7.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 594 1.3% -10.1%
High school diploma 20,996 44.4% 1.0%
College diploma 10,231 21.6% -5.3%
Associate degree 5,810 12.3% -4.1%
Bachelor's degree 6,132 13% 1.5%
Graduate degree 3,509 7.4% 10.7%
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 Washington County

How much people earn in Washington County

The average annual household income in Washington County was $81,514 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.7% change from the previous year. At the same time, the median income stood at $63,603, reflecting a +3.7% shift over the same period.

Average household income in Washington County
$81,514/year
-0.7% year-over-year change
Median household income in Washington County
$63,603/year
3.7% year-over-year change

Washington County income by age

In Washington County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $76,285. Those with someone between 45 and 64 in charge, often well established professionally, earn $73,864 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $39,759, while those led by someone over 65, many of whom may be retired, have about $49,491 in earnings. Overall, 86.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $39,759 7.9%
25 - 44 $76,285 7.1%
45 - 64 $73,864 -3.1%
Over 65 $49,491 6.4%
Above poverty level
48,945
Below poverty level
7,729
Value Percent YoY
change
Above poverty level 48,945 86.4% -1.6%
Below poverty level 7,729 13.6% 6.0%

Employment in Washington County

Workforce and job types in Washington County

The job market in Washington County is powered by 27,063 working residents, spread across a range of industries and roles. 71% of the working population are employed in professional or administrative positions, while 29% are in hands-on or service-based jobs. Also, 7.9% run their own businesses, 64.4% are employed by private companies, and 14.4% work in the public sector.

Workforce demographics

Working population
27,063
1.2% year-over-year change
White collar
19,226
Blue collar
7,837
Value Percent YoY change
White collar 19,226 71% 1.1%
Blue collar 7,837 29% 1.4%
Employer type
Self employees
7.9%
Private companies
64.4%
Governmental workers
14.4%
Not for profit companies
13.3%
Value Percent YoY change
Self employees 2,138 7.9% 3.3%
Private companies 17,436 64.4% -1.3%
Governmental workers 3,885 14.4% 3.9%
Not for profit companies 3,604 13.3% 10.1%
Unemployment rate
4.8%
3.6% year-over-year change

Available workforce

The unemployment rate in Washington County stands at 4.8%, 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 Washington County

How people get around in Washington County

In Washington County, the average commute time is 24 minutes. Commuting methods vary: 88% of residents travel by personal vehicle and 1.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
24 min
Means of transportation
Value Percent YoY change
Car 23,463 88% 0.6%
Bus or trolleybus 105 0.4% -12.5%
Motorcycle 26 0.1% 271.4%
Bicycle 33 0.1% -47.6%
Walk 496 1.9% -14.2%
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 Washington County by zipcode?

Zipcode Population Number of households Median income Average income
45729 2,121 636 $82,110 $90,247
45742 3,752 1,275 $78,194 $94,255
45744 2,179 1,029 $69,148 $79,243
45745 1,049 547 $44,250 $49,732
45746 329 112 $65,161 $58,733
45714 9,503 4,385 $56,574 $71,146
45715 2,006 689 $47,176 $69,981
45721 15 15 $0 $0
45724 1,218 550 $58,500 $78,064
43787 2,524 1,079 $45,880 $56,603

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FAQs about Washington County demographics 

What is the total population of Washington County?

Washington County has a total population of 58,978 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 -0.6% compared to a year ago.

What is the gender ratio in Washington County?

The gender ratio in Washington County is as follows:
  • 50% males (29,505 residents)
  • 50% females (29,473 residents)

What is the median age in Washington County?

The median age in Washington County is 44.

What is the age distribution of the population in Washington County?

The age distribution in Washington County is as follows:
  • Under 15: 16.2% (9,525 residents)
  • Ages 15-24: 12.2% (7,164 residents)
  • Ages 25-44: 22.6% (13,336 residents)
  • Ages 45-64: 26.9% (15,839 residents)
  • Over 65: 22.2% (13,114 residents)

What is the racial and ethnic makeup of Washington County?

The racial and ethnic makeup of Washington County is as follows:
  • White: 93.9% (55,364 residents)
  • Black or African American: 0.9% (509 residents)
  • American Indian and Alaska Native: 0.2% (110 residents)
  • Asian: 0.6% (324 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.7% (2,189 residents)
  • Other: 0.8% (482 residents)

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

U.S.-born citizens represent 98.6% of the population in Washington County.

How many housing units are there in Washington County?

There are 27,949 housing units in Washington County, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Washington County has a total of 24,779 households, with an average of 2 people in each.

What is the median household income in Washington County?

Washington County has a median household income of $63,603, representing a +3.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Washington County?

The employment rate is 95.2% in Washington County, with a workforce of 27,063 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71% (19,226 residents)
  • Blue-collar workers: 29% (7,837 residents)

Places of employment:
  • Self-employed: 7.9% (2,138 residents)
  • Private companies: 64.4% (17,436 residents)
  • Governmental workers: 14.4% (3,885 residents)
  • Not-for-profit companies: 13.3% (3,604 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