Demographics of Greene County, Missouri

Greene County, Missouri had 309,286 people on July 1, 2025, by the Census Bureau’s estimate: +9,958 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Greene County, in four figures

309,286
Population: July 1, 2025, Vintage 2025 estimate.; +3.3%
Change since July 2020: +9,958 people.; 36.4 ±0.2
Median age: ACS 2020–⁠2024.; $61,479 ±$1,008
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Greene County, Missouri's population grew 3.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Greene County, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Greene County, Missouri's population grew 3.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Greene County, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	299,328	100.0	100.0
2021	301,133	100.6	100.2
2022	303,279	101.3	100.7
2023	304,786	101.8	101.6
2024	307,174	102.6	102.5
2025	309,286	103.3	103.1

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Population of Greene County, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	299,328	+412	+50	+5	+294
2021	301,133	+1,805	−410	+153	+1,894
2022	303,279	+2,146	−411	+524	+2,076
2023	304,786	+1,507	−160	+707	+1,001
2024	307,174	+2,388	−19	+883	+1,504
2025	309,286	+2,112	−124	+487	+1,727

Age, 2020–2024

The median age is 36.4 ±0.2: for men 35.4 ±0.1 and for women 37.4 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Greene County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	16,684 ±52	5.5% ±<0.1	5.8% ±<0.1	5.6% ±<0.1
5 to 17	46,441 ±1,172	15.3% ±0.4	16.6% ±0.1	16.3% ±<0.1
18 to 24	39,419 ±1,405	13.0% ±0.5	9.1% ±0.1	9.1% ±<0.1
25 to 44	80,737 ±1,133	26.6% ±0.4	26.0% ±0.1	26.9% ±<0.1
45 to 64	68,058 ±1,169	22.4% ±0.4	24.6% ±0.1	24.8% ±<0.1
65 and over	52,036 ±1,392	17.2% ±0.5	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $61,479 ±$1,008, and income per person $36,779 ±$841, in 2024 dollars. The median is $70,702 ±$325 in Missouri and $80,734 ±$166 in the United States.

Households by income

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Households in Greene County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	22,662 ±1,321	17.3% ±1.0	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	30,885 ±1,497	23.6% ±1.1	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	24,717 ±1,190	18.9% ±0.9	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	17,099 ±1,114	13.1% ±0.8	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	19,590 ±1,067	15.0% ±0.8	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	8,154 ±704	6.2% ±0.5	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	7,844 ±581	6.0% ±0.4	8.7% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Greene County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	40,025 ±2,757	13.6% ±0.9	12.6% ±0.2	12.5% ±0.1
Under 18	9,076 ±1,023	14.6% ±1.6	15.8% ±0.4	16.1% ±0.1
18 to 59	23,631 ±1,696	14.4% ±1.0	12.0% ±0.2	11.6% ±0.1
60 and over	7,318 ±672	10.9% ±1.0	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Greene County, ACS 2020–2024
Measure	Greene County	Missouri	United States
Housing units	138,982 ±113	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	94.2% ±0.6	88.8% ±0.2	89.9% ±0.1
Vacant	5.8% ±0.6	11.2% ±0.2	10.1% ±0.1
Owner occupied	57.5% ±1.0	68.1% ±0.3	65.2% ±0.3
Renter occupied	42.5% ±1.0	31.9% ±0.2	34.8% ±0.1
Median home value	$221,300 ±$4,032	$230,300 ±$880	$332,700 ±$236
Median gross rent	$989 ±$12	$1,033 ±$6	$1,413 ±$2
Median year built	1982 ±2	1978 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Greene County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	15,605 ±0	5.1% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	254,936 ±753	84.0% ±0.2	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	9,016 ±738	3.0% ±0.2	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	5,893 ±550	1.9% ±0.2	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	717 ±166	0.2% ±0.1	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	370 ±82	0.1% ±<0.1	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,625 ±567	0.5% ±0.2	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	15,213 ±1,086	5.0% ±0.4	4.8% ±0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Greene County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	188,083 ±2,524	62.0% ±0.8	65.6% ±0.2	57.3% ±<0.1
Born in another state	100,342 ±2,528	33.1% ±0.8	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	3,469 ±547	1.1% ±0.2	0.8% ±<0.1	1.7% ±<0.1
Born abroad	11,481 ±1,088	3.8% ±0.4	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	6,006 ±548	2.0% ±0.2	2.3% ±0.1	7.4% ±<0.1
Not citizens	5,475 ±961	1.8% ±0.3	2.2% ±0.1	6.8% ±<0.1

Greene County among the counties of Missouri

4th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Greene County in population, July 2025
County	July 2025	Change since 2020
St. Louis County	990,911	−1.2%
Jackson County	732,994	+2.1%
St. Charles County	426,499	+4.9%
Greene County	309,286	+3.3%
St. Louis city	278,144	−7.4%
Clay County	265,032	+4.3%
Jefferson County	233,132	+2.7%
Boone County	191,746	+4.2%
Jasper County	127,428	+3.7%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026