Greene County is located in the southwestern portion of Ohio. As of the 2020 census, the population was 167,966. Its county seat is Xenia and its largest city is Beavercreek. The county was established on March 24, 1803 and named for General Nathanael Greene, an officer in the Revolutionary War. Greene County is part of the Dayton, OH Metropolitan Statistical Area.

Geography

According to the United States Census Bureau, the county has a total area of 416 square miles (1,080 km2), of which 414 square miles (1,070 km2) is land and 2.5 square miles (6.5 km2) (0.6%) is water.

Adjacent counties

National protected area

Major highways

Demographics

Historical population
CensusPop.Note
18105,870
182010,52979.4%
183014,80140.6%
184017,52818.4%
185021,94625.2%
186026,19719.4%
187028,0387.0%
188031,64912.9%
189029,820−5.8%
190031,6136.0%
191029,733−5.9%
192031,2215.0%
193033,2596.5%
194035,8637.8%
195058,89264.2%
196094,64260.7%
1970125,05732.1%
1980129,7693.8%
1990136,7315.4%
2000147,8868.2%
2010161,5739.3%
2020167,9664.0%
2023 (est.)169,6911.0%
U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020

2020 census

As of the 2020 census, there were 167,966 people, 66,831 households, and 42,983 families living in the county. The population density was 406.1 inhabitants per square mile (156.8/km2). There were 71,336 housing units at an average density of 172.5 per square mile (66.6/km2).

77.6% of residents lived in urban areas, while 22.4% lived in rural areas.

Of the 66,831 households, 27.8% had children under the age of 18 living with them. Of all households, 49.8% were married-couple households, 18.5% were households with a male householder and no spouse or partner present, and 25.4% were households with a female householder and no spouse or partner present. About 28.8% of all households were made up of individuals and 11.2% had someone living alone who was 65 years of age or older.

There were 71,336 housing units, of which 6.3% were vacant. Among occupied housing units, 66.4% were owner-occupied and 33.6% were renter-occupied. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 6.3%.

The racial makeup of the county was 81.7% White, 6.8% Black or African American, 0.3% American Indian and Alaska Native, 3.3% Asian, 0.1% Native Hawaiian and Pacific Islander, 1.1% from some other race, and 6.8% from two or more races. Hispanic or Latino residents of any race comprised 3.1% of the population.

The median age was 38.1 years. 21.1% of residents were under the age of 18 and 17.9% of residents were 65 years of age or older. For every 100 females there were 95.8 males, and for every 100 females age 18 and over there were 93.3 males age 18 and over.

Racial and ethnic composition

Greene County, Ohio – Racial and ethnic compositionNote: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic)Pop 1980Pop 1990Pop 2000Pop 2010Pop 2020% 1980% 1990% 2000% 2010% 2020
White alone (NH)118,387123,209130,857137,440135,60391.23%90.11%88.49%85.06%80.73%
Black or African American alone (NH)8,7369,5169,33211,50611,2856.73%6.96%6.31%7.12%6.72%
Native American or Alaska Native alone (NH)2123704033673300.16%0.27%0.27%0.23%0.20%
Asian alone (NH)1,1642,1042,9854,6635,5160.90%1.54%2.02%2.89%3.28%
Native Hawaiian or Pacific Islander alone (NH)xx478187xx0.03%0.05%0.05%
Other race alone (NH)2571531942618760.20%0.11%0.13%0.16%0.52%
Mixed race or Multiracial (NH)xx2,2553,8169,053xx1.52%2.36%5.39%
Hispanic or Latino (any race)1,0131,3791,8133,4395,2160.78%1.01%1.23%2.13%3.11%
Total129,769136,731147,886161,573167,966100.00%100.00%100.00%100.00%100.00%

2020 American Community Survey

According to the 2020 American Community Survey 5-year estimates, the median age in the county was 39.0 years. 20.5% of residents were under the age of 18; 11.6% were between the ages of 18 and 24; 25.5% were from 25 to 44; 23.3% were from 45 to 64; and 19.1% were 65 years of age or older. The gender makeup of the county was 50.2% male and 49.8% female.

The median income for a household in the county was $70,055, and the median income for a family was $90,453. 10.6% of the population were below the poverty line, including 13.6% of those under age 18 and 6.2% of those age 65 or over. The labor force participation rate for those aged 20 to 64 was 77.6%. 94.0% of the population over the age of 25 had obtained a high school diploma or equivalency, 39.7% of those over the age of 25 held bachelor's degrees.

2010 census

As of the 2010 United States census, there were 161,573 people, 62,770 households, and 41,696 families living in the county. The population density was 390.5 inhabitants per square mile (150.8/km2). There were 68,241 housing units at an average density of 164.9 units per square mile (63.7 units/km2). The racial makeup of the county was 86.4% white, 7.2% black or African American, 2.9% Asian, 0.3% American Indian, 0.1% Pacific islander, 0.5% from other races, and 2.6% from two or more races. Those of Hispanic or Latino origin made up 2.1% of the population. In terms of ancestry, 26.4% were German, 15.7% were American, 13.0% were Irish, and 10.9% were English.

Of the 62,770 households, 30.1% had children under the age of 18 living with them, 51.9% were married couples living together, 10.6% had a female householder with no husband present, 33.6% were non-families, and 26.5% of all households were made up of individuals. The average household size was 2.43 and the average family size was 2.95. The median age was 37.2 years.

The median income for a household in the county was $56,679 and the median income for a family was $70,817. Males had a median income of $53,614 versus $37,056 for females. The per capita income for the county was $28,328. About 7.8% of families and 11.4% of the population were below the poverty line, including 15.3% of those under age 18 and 5.1% of those age 65 or over.

2000 census

As of the 2000 census, there were 147,886 people, 55,312 households, and 39,160 families living in the county. The population density was 356 inhabitants per square mile (137/km2). There were 58,224 housing units at an average density of 140 units per square mile (54 units/km2). The racial makeup of the county was 86.4% White, 7.2% Black or African American, 0.3% Native American, 2.9% Asian, 0.1% Pacific Islander, 0.38% from other races, and 1.66% from two or more races. 1.23% of the population were Hispanic or Latino of any race.

Of the 55,312 households, 32.80% had children under the age of 18 living with them, 58.00% were married couples living together, 9.60% had a female householder with no husband present, and 29.20% were non-families. 23.00% of all households were made up of individuals, and 7.70% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.00.

In the county, the population was spread out, with 23.90% under the age of 18, 13.70% from 18 to 24, 27.00% from 25 to 44, 23.60% from 45 to 64, and 11.80% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 94.80 males. For every 100 females age 18 and over, there were 91.40 males.

The median income for a household in the county was $48,656, and the median income for a family was $57,954. Males had a median income of $42,338 versus $28,457 for females. The per capita income for the county was $23,057. About 5.20% of families and 8.50% of the population were below the poverty line, including 8.70% of those under age 18 and 6.90% of those age 65 or over.

Politics

Greene County is a Republican stronghold in presidential elections. The only times the county has voted for the Democratic nominee were for Franklin D. Roosevelt in 1936 and Lyndon B. Johnson in 1964, both of them decisive Democratic victories at the national level.

United States presidential election results for Greene County, Ohio
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
18563,03264.36%1,46531.10%2144.54%
18603,26063.06%1,75133.87%1593.08%
18643,88771.40%1,55728.60%00.00%
18684,23369.83%1,82930.17%00.00%
18724,06966.63%1,96132.11%771.26%
18764,48863.67%2,49435.38%670.95%
18804,92766.29%2,45533.03%510.69%
18844,92063.39%2,62433.81%2182.81%
18884,89361.70%2,68233.82%3554.48%
18924,21059.07%2,44234.26%4756.66%
18965,29662.51%3,00335.45%1732.04%
19005,10062.95%2,74333.86%2593.20%
19045,04367.38%2,00426.78%4375.84%
19084,90260.14%2,88235.36%3674.50%
19123,24246.03%2,10729.92%1,69424.05%
19164,45857.93%2,91337.86%3244.21%
19208,60067.25%4,01631.40%1721.35%
19248,41072.98%2,47121.44%6425.57%
192810,03074.14%3,38525.02%1130.84%
19328,45554.62%6,60042.63%4262.75%
19367,44944.57%8,94653.53%3171.90%
19409,27351.08%8,88148.92%00.00%
19449,68054.95%7,93745.05%00.00%
19489,18650.20%8,97049.02%1440.79%
195212,90058.58%9,12341.42%00.00%
195615,47161.07%9,86138.93%00.00%
196019,64258.12%14,15541.88%00.00%
196414,57140.65%21,27659.35%00.00%
196817,58945.36%15,17839.14%6,00815.49%
197225,34965.15%12,73632.73%8242.12%
197622,59851.27%20,24545.93%1,2342.80%
198024,92251.03%20,06841.09%3,8527.89%
198434,26766.27%17,12933.12%3160.61%
198834,43265.14%18,02534.10%3990.75%
199227,65146.47%20,13933.85%11,71219.68%
199630,67749.65%25,08240.60%6,0239.75%
200037,94658.20%25,05938.43%2,1993.37%
200448,38861.03%30,53138.51%3630.46%
200848,93658.45%33,54040.06%1,2531.50%
201249,81959.57%32,25638.57%1,5511.85%
201648,54058.53%28,94334.90%5,4546.58%
202052,07258.74%34,79839.26%1,7732.00%
202453,39959.07%35,57539.36%1,4211.57%
United States Senate election results for Greene County, Ohio1
YearRepublicanDemocraticThird party(ies)
No.%No.%No.%
202449,47755.06%37,32741.54%3,0523.40%

Government

Greene County Officials

OfficeOfficeholderParty
Greene County CommissionerSarah MaysRepublican
Greene County CommissionerTom KooglerRepublican
Greene County CommissionerDick GouldRepublican
AuditorKraig HaglerRepublican
Clerk of CourtsA.J. WilliamsRepublican
CoronerKevin SharrettRepublican
EngineerStephanie Ann GoffRepublican
ProsecutorDavid HayesRepublican
RecorderJoe KennedyRepublican
SheriffScott AngerRepublican
TreasurerDenise PercivalRepublican

Ohio House of Representatives

DistrictRepresentativeParty
70Brian LamptonRepublican
71Levi DeanRepublican

Ohio State Senate

DistrictSenatorParty
10Kyle KoehlerRepublican

United States House of Representatives

DistrictRepresentativeParty
10Mike TurnerRepublican

United States Senate

SenatorParty
Bernie MorenoRepublican
Jon HustedRepublican

Parks

Greene County Parks & Trails manages over 3000 acres of parkland, 62 miles of paved multiuse trails, 36 miles of river trails, and 24 miles of hiking trails.

Education

Higher education

The following colleges and universities are located in Greene County:

Public

Private

Public schools

Private schools

Communities

Map of Greene County, Ohio with municipal and township labels

Cities

Villages

Townships

Census-designated places

Unincorporated communities

See also

External links

39°41′N 83°53′W/39.69°N 83.89°W/ 39.69; -83.89