Summit County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Ohio
The population of Summit County, Ohio is 538,087 as of the 2023 American Community Survey, making it the 4th-largest county in Ohio. The median household income is $71,016, the median home value is $195,700, and the median age is 41.2.
The population of Summit County has declined 0.6% since 2010 (541,659 → 538,370), a -0.04% annualized rate.
538,087
Population
-0.04%
Annual growth
1304
People / sq mi
$71,016
Median Income
$195,700
Median Home Value
Summit County covers 413 sq mi of land at 1303.5 people per square mile.
About Summit County, OH
Summit County is a county in Ohio with a population of 538,087. It ranks #4 among counties in Ohio by population. The median age is 41.2, older than the national median. The population is 48.7% male and 51.3% female.
The median household income in Summit County is $71,016, near the US median of $74,580. 9.0% of residents live below the federal poverty level. Home values sit at a median of $195,700, with monthly rent averaging $998. The homeownership rate of 67.3% is close to the national rate of 64.8%.
Educational attainment in Summit County reflects 35.3% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 13.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 23.2 minutes each way.
Summit County Population History (2010-2024)
The county of Summit County had a population of 541,659 in 2010 and 538,370 in 2024, a -0.6% growth over 14 years. The peak was 542,572 in 2014. Average annual growth rate: -0.04%.
538,370
Population (2024)
541,659
Population (2010)
542,572
Peak (2014)
-0.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 541,659 |
| 2011 | 541,368 |
| 2012 | 540,806 |
| 2013 | 542,032 |
| 2014 | 542,572 |
| 2015 | 541,940 |
| 2016 | 541,226 |
| 2017 | 541,695 |
| 2018 | 541,451 |
| 2019 | 540,814 |
| 2020 | 539,835 |
| 2021 | 537,516 |
| 2022 | 536,582 |
| 2023 | 537,019 |
| 2024 | 538,370 |
Race & Ethnicity
| White | 75.0% |
| Black or African American | 14.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
41.2
Median Age
51.3%
Female
48.7%
Male
18.9%
Age 65+
Age Distribution
Children (under 15): 17.1% · Seniors (65+): 18.9%
Income & Poverty
| Median household income | $71,016+$1,336 vs state |
| Mean household income | $98,907 |
| Per-capita income | $42,749 |
| Poverty rate | 9.0%-0.2% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 61.4% |
Top Industries by Employment
The largest employment sector in Summit County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.9%
Drive alone
1.1%
Carpool
76.7%
Public transit
13.0%
Work from home
23.2 min
Avg commute
Housing
$195,700$-3,500 vs state
Median home value
$998
Median rent
67.3%
Homeownership rate
247,239
Total housing units
92.8%
Occupied
7.2%
Vacant
32.7%
Renter-occupied
Social & access
94.4%
With health insurance
94.7%
With broadband internet
17.1%
Foreign-born
6.3%
Veterans (18+)
13.6%
With a disability
93.1%
Speak language other than English at home
Education
92.9%
High School+
35.3%
Bachelor's+
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Part of Ohio
Metro areas in Ohio
County rankings
Common questions about Summit County, OH
Frequently Asked Questions
Summit County, Ohio has a population of 538,087 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Ohio. Population density is 1304 people per square mile.
The population of Summit County has declined 0.6% since 2010 (541,659 → 538,370), a -0.04% annualized rate.
The median household income in Summit County, Ohio is $71,016, with mean (average) household income of $98,907 and per-capita income of $42,749. 9.0% of residents live below the federal poverty level.
In Summit County, the largest racial and ethnic groups are White (75.0%), Black or African American (14.0%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Summit County, Ohio is 41.2 years. Residents are 51.3% female and 48.7% male.
The median home value in Summit County is $195,700 and median monthly rent is $998. 67.3% of occupied housing units are owner-occupied. The county has 247,239 total housing units, 7.2% of which are vacant.
The largest employment sector in Summit County, Ohio is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 3.4%.
Columbus is among the largest cities associated with Summit County, Ohio, with a population of 906,480.
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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.