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Population Review

Greene County, Ohio Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 18th-largest in Ohio

The population of Greene County, Ohio is 168,531 as of the 2023 American Community Survey, making it the 18th-largest county in Ohio. The median household income is $85,218, the median home value is $238,000, and the median age is 38.7.

The population of Greene County has grown 6.7% since 2010 (161,599 → 172,347), a +0.46% annualized rate.

Greene County within Ohio · Source: US Census TIGER/Line via us-atlas

168,531

Population

+0.46%

Annual growth

407

People / sq mi

$85,218

Median Income

$238,000

Median Home Value

Greene County covers 414 sq mi of land at 407.4 people per square mile.

About Greene County, OH

Educational attainment is the headline number in Greene County: 41.3% of adults 25 and older have a four-year degree. Greene County is a county in Ohio with a population of 168,531. It ranks #18 among counties in Ohio by population.

Median household income is $85,218, above the US median of $78,538. Poverty is relatively low for US counties at 6.2%, below the national 12.4%. A typical home is worth $238,000, with typical rent around $1,089.

The population is unusually well-credentialed for US counties — 41.3% of adults have a four-year degree, above the national 35.0%. About 11.6% of workers primarily work from home, below the national 14.0%, and the average commute runs about 22 minutes each way.

The education numbers are the throughline: a college-heavy population in Greene County usually coincides with higher incomes and a workforce concentrated in professional and information industries.

Greene County Population History (2010-2024)

The county of Greene County had a population of 161,599 in 2010 and 172,347 in 2024, a 6.7% growth over 14 years. The peak was 172,347 in 2024. Average annual growth rate: 0.46%.

2024 · 172K20102024
Greene County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

172,347

Population (2024)

161,599

Population (2010)

172,347

Peak (2024)

0.46%

Avg Annual Growth

YearPopulation
2010161,599
2011163,600
2012164,403
2013164,004
2014164,796
2015164,421
2016165,494
2017166,720
2018167,643
2019169,354
2020168,130
2021168,250
2022169,380
2023170,335
2024172,347

Race & Ethnicity

White82.9%
Black or African American5.9%
Asian0.0%
Hispanic or Latino (any race)1.3%
Two or More Races0.1%

Age & Sex

38.7

Median Age

50.4%

Female

49.6%

Male

18.2%

Age 65+

Age Distribution

Under 5
5.3%
5–9
5.6%
10–14
6.1%
15–19
7.5%
20–24
7.5%
25–34
13.0%
35–44
12.3%
45–54
11.0%
55–59
7.0%
60–64
6.3%
65–74
11.0%
75–84
5.4%
85+
1.8%

Children (under 15): 17.0% · Seniors (65+): 18.2%

Income & Poverty

Median household income$85,218+$15,538 vs state
Mean household income$108,932
Per-capita income$44,385
Poverty rate6.2%-3.0% vs state
Unemployment rate2.5%
Employment-to-population59.0%

Top Industries by Employment

Professional & business services
25.5%
Finance & real estate
12.7%
Manufacturing
10.3%
Public administration
9.9%
Education & health care
8.7%
Construction
5.2%
Information
5.1%
Retail trade
4.1%

The largest employment sector in Greene County is professional & business services, accounting for 25.5% of workers.

How residents commute

0.6%

Drive alone

2.6%

Carpool

77.1%

Public transit

11.6%

Work from home

21.7 min

Avg commute

Housing

$238,000+$38,800 vs state

Median home value

$1,089

Median rent

67.6%

Homeownership rate

71,925

Total housing units

93.8%

Occupied

6.2%

Vacant

32.4%

Renter-occupied

Social & access

94.9%

With health insurance

95.9%

With broadband internet

28.5%

Foreign-born

11.4%

Veterans (18+)

13.3%

With a disability

94.4%

Speak language other than English at home

Education

94.5%

High School+

41.3%

Bachelor's+

Largest cities in Ohio

Other counties in Ohio

Part of Ohio

Metro areas in Ohio

County rankings

Frequently Asked Questions

Greene County, Ohio has a population of 168,531 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 18th-largest county in Ohio. Population density is 407 people per square mile.

The population of Greene County has grown 6.7% since 2010 (161,599 → 172,347), a +0.46% annualized rate.

The median household income in Greene County, Ohio is $85,218, with mean (average) household income of $108,932 and per-capita income of $44,385. 6.2% of residents live below the federal poverty level.

In Greene County, the largest racial and ethnic groups are White (82.9%), Black or African American (5.9%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Greene County, Ohio is 38.7 years. Residents are 50.4% female and 49.6% male.

The median home value in Greene County is $238,000 and median monthly rent is $1,089. 67.6% of occupied housing units are owner-occupied. The county has 71,925 total housing units, 6.2% of which are vacant.

The largest employment sector in Greene County, Ohio is professional, scientific, and management services, employing 25.5% of workers. The unemployment rate is 2.5%.

Columbus is among the largest cities associated with Greene County, Ohio, with a population of 906,480.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.