4th most populous of 88
With 538,370 residents in 2024, Summit County ranks 4th by population among Ohio's 88 counties and is home to 4.5% of the state's residents.

Summit County has the 4th largest economy in Ohio ($40.3 billion GDP) and the 8th largest immigrant share (6.0% foreign-born).
Summit County is home to 538,370 people (2024 estimate) on 413 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 538,370 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 541,781 | 2010 · U.S. Census Bureau |
| Population, 2000 | 543,442 | July 1, 2000 · Census intercensal |
| Change since 2000 | −0.9% | 2000–2024 · Census |
| International migration | +2,345 | 2024 · Census Vintage 2024 |
| Domestic migration | −12 | 2024 · Census Vintage 2024 |
| Birth rate | 9.7 per 1,000 | 2024 · calculated |
| Death rate | 11.5 per 1,000 | 2024 · calculated |
| Population rank in Ohio | 4th of 88 | 2024 · calculated |
| Per capita personal income | $67,711 | BEA, 2024 · official |
| Gross domestic product | $40.3 billion | BEA, current dollars, 2024 · official |
| Median household income | $71,622 | ACS 2020–2024 5-year · official |
| Poverty rate | 12.8% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 35.8% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 6.0% | ACS 2020–2024 5-year · official |
| Median home value | $208,700 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,026/month | ACS 2020–2024 5-year · official |
| Median age | 41.4 years | ACS 2020–2024 5-year · official |
| Households | 231,267 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 67.5% | ACS 2020–2024 5-year · official |
Comparable indicators for Summit County, Ohio and the United States.
| Indicator | County | Ohio | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −0.4% | +0.7% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 9.7 | 10.7 | 10.6 | 2024 |
| Death rate (per 1,000) | 11.5 | 10.7 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 4.3 | 5.0 | 8.2 | 2024 |
| Population density (/mi²) | 1304.2 | 290.8 | 96.3 | 2024 |
| Per capita personal income | $67,711 | $64,464 | $73,204 | BEA, 2024 |
| Median household income | $71,622 | $71,389 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 12.8% | 13.3% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 35.8% | 31.5% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 6.0% | 5.2% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $208,700 | $214,800 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,026/month | $1,034/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 41.4 years | 39.7 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 67.5% | 67.2% | 65.2% | ACS 2020–2024 5-year |
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With 538,370 residents in 2024, Summit County ranks 4th by population among Ohio's 88 counties and is home to 4.5% of the state's residents.
Its population went from 543,442 in 2000 to 538,370 in 2024, a change of −0.9%, compared with +4.6% for Ohio as a whole.
In the year to July 2024 the county recorded 5,204 births and 6,187 deaths, so deaths outnumbered births by 983.
Annual Census estimates since 2000 put the county's highest population at 545,163 in 2003. The 2024 figure is 6,793 lower.
Summit County has about 1304.2 residents per square mile of land, ranking 4th of 88 counties; Ohio averages 290.8.
With a median household income of $71,622 (ACS 2020–2024 5-year), the county ranks 35th of 88 Ohio counties; the state median is $71,389.
Its economy produced $40.3 billion of GDP in 2024 (BEA), 4th largest among 88 Ohio counties.
Real GDP grew 1.3% in 2024, adjusted for inflation (BEA, chained 2017 dollars).