What is the largest city in Greene County, OH?

Beavercreek is the largest city or town in Greene County, with about 47,126 residents.

How many ZIP codes are in Greene County?

Greene County includes 16 ZIP Code Tabulation Areas, including 45301, 45305, 45307, 45314, 45324.

What is the population of Greene County, OH?

About 169,688 people live in Greene County, based on American Community Survey 5-year estimates.

What counties border Greene County?

Greene County borders Montgomery County, Warren County, Clark County, Madison County, Clinton County, Fayette County.

Greene County, OH: Cities, ZIP Codes & Local Data

Population

169,688

Land area

414sq mi

People per sq mi

410

ZIP codes

16

Greene County at a glance

Greene County is 42% denser than Ohio as a whole.
The median household income is $87,309, 22% above the Ohio median of $71,389.
A typical owner-occupied home is valued at $252,200 (17% above Ohio) and median rent is $1,135 a month.
Its largest cities are Beavercreek (47,126), Fairborn (34,534) and Xenia (25,689).

Local data for Greene County, OH

Counts from official public data

Housing and community stats

Greene County, OH, American Community Survey 2020-2024

Full profile

Median household income

$87,309

Poverty rate

9.8%

Median home value

$252,200

Prices +3.8% in a year

Median rent

$1,135/mo

Homeownership

68.0%

Bachelor's or higher

41.7%

Median age

38.7

Average commute

22.0 min

Largest reported origins and ancestries: German Americans (39,681), Irish Americans (22,258), Italian Americans (7,112).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.4%

Sep 2026, -0.7 pts in a year

Average annual pay

$73,368

80,454 jobs, 2025

Income per person

$67,273

BEA, 2024

Federal spending

$3.1B

FY 2026, $18,368 per person

PPP loans

$249M

3,061 loans, 31,332 jobs reported

Campaign donations

$1.6M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Greene County, OH, workers 16 and older. American Community Survey 5-year estimates

Drove alone75.8%
Carpooled7.6%
Public transit0.3%
Walked2.5%
Bicycle0.4%
Taxi, ride-hailing, motorcycle or other0.6%
Worked from home12.9%

Average one-way commute: 22.0 minutes for people who do not work from home.

Environment and hazard risk

Greene County, OH, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: cold wave

Storm events since 1996

668

Most often thunderstorm wind

Flood insurance policies

383

0.7% of homes, county

July high / Jan low

83° / 23°F

43.3 inches of rain a year

Hazards, floods and storm history Check a flood zone 29 historic places

Health statistics

Share of adults in Greene County, OH, CDC PLACES estimates

All 40 measures

Obesity

37.8%

U.S. 33.3% +4.5 pts

Diabetes

11.2%

U.S. 12.1% -0.9 pts

Smoking

12.3%

U.S. 12.8% -0.5 pts

Uninsured (18-64)

6.5%

U.S. 11.1% -4.6 pts

Cities, towns and ZIP codes in Greene County

Population shown

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Frequently asked questions

What is the largest city in Greene County, OH?: Beavercreek is the largest city or town in Greene County, with about 47,126 residents.
How many ZIP codes are in Greene County?: Greene County includes 16 ZIP Code Tabulation Areas, including 45301, 45305, 45307, 45314, 45324.
What is the population of Greene County, OH?: About 169,688 people live in Greene County, based on American Community Survey 5-year estimates.
What counties border Greene County?: Greene County borders Montgomery County, Warren County, Clark County, Madison County, Clinton County, Fayette County.