Demographics of Montgomery County, Missouri

Montgomery County, Missouri had 11,590 people on July 1, 2025, by the Census Bureau’s estimate: +297 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.

Montgomery County, in four figures

11,590
Population: July 1, 2025, Vintage 2025 estimate.; +2.6%
Change since July 2020: +297 people.; 43.6 ±0.4
Median age: ACS 2020–⁠2024.; $65,500 ±$5,054
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.

Montgomery County, Missouri's population grew 2.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Montgomery 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

Montgomery County, Missouri's population grew 2.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Montgomery 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	11,293	100.0	100.0
2021	11,450	101.4	100.2
2022	11,471	101.6	100.7
2023	11,464	101.5	101.6
2024	11,556	102.3	102.5
2025	11,590	102.6	103.1

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Population of Montgomery 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	11,293	−28	+4	0	−33
2021	11,450	+157	−58	0	+221
2022	11,471	+21	−86	0	+105
2023	11,464	−7	−46	0	+42
2024	11,556	+92	−41	0	+132
2025	11,590	+34	−46	−1	+83

Age, 2020–2024

The median age is 43.6 ±0.4: for men 42.2 ±0.8 and for women 44.7 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Montgomery County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	655 ±29	5.7% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	1,849 ±140	16.2% ±1.2	16.6% ±0.1	16.3% ±<0.1
18 to 24	846 ±104	7.4% ±0.9	9.1% ±0.1	9.1% ±<0.1
25 to 44	2,564 ±140	22.4% ±1.2	26.0% ±0.1	26.9% ±<0.1
45 to 64	3,173 ±158	27.8% ±1.4	24.6% ±0.1	24.8% ±<0.1
65 and over	2,339 ±190	20.5% ±1.7	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $65,500 ±$5,054, and income per person $30,947 ±$1,773, 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 Montgomery County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	909 ±151	19.6% ±3.1	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	846 ±126	18.2% ±2.6	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	920 ±138	19.8% ±2.9	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	723 ±150	15.6% ±3.2	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	835 ±144	18.0% ±3.0	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	207 ±62	4.5% ±1.3	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	200 ±84	4.3% ±1.8	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 Montgomery County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	1,550 ±231	13.9% ±2.1	12.6% ±0.2	12.5% ±0.1
Under 18	355 ±84	14.4% ±3.2	15.8% ±0.4	16.1% ±0.1
18 to 59	867 ±176	15.7% ±3.1	12.0% ±0.2	11.6% ±0.1
60 and over	328 ±74	10.4% ±2.3	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Montgomery County, ACS 2020–2024
Measure	Montgomery County	Missouri	United States
Housing units	5,832 ±28	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	79.6% ±3.4	88.8% ±0.2	89.9% ±0.1
Vacant	20.4% ±3.4	11.2% ±0.2	10.1% ±0.1
Owner occupied	73.4% ±3.2	68.1% ±0.3	65.2% ±0.3
Renter occupied	26.6% ±3.8	31.9% ±0.2	34.8% ±0.1
Median home value	$178,700 ±$13,995	$230,300 ±$880	$332,700 ±$236
Median gross rent	$788 ±$35	$1,033 ±$6	$1,413 ±$2
Median year built	1978 ±3	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 Montgomery County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	266 ±0	2.3% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	10,549 ±71	92.3% ±0.6	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	97 ±41	0.8% ±0.4	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 21	0% to 0.2%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	6 to 70	0.1% to 0.6%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 34	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 11	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	447 ±101	3.9% ±0.9	4.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

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 Montgomery County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	9,354 ±265	81.9% ±2.3	65.6% ±0.2	57.3% ±<0.1
Born in another state	1,936 ±269	16.9% ±2.4	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	12 to 60	0.1% to 0.5%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	100 ±43	0.9% ±0.4	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	10 to 82	0.1% to 0.7%	2.3% ±0.1	7.4% ±<0.1
Not citizens	25 to 83	0.2% to 0.7%	2.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Montgomery County among the counties of Missouri

79th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Montgomery County in population, July 2025
County	July 2025	Change since 2020
Madison County	12,858	+1.9%
Douglas County	12,342	+6.4%
Mississippi County	12,003	−1.1%
Linn County	11,815	−0.3%
Barton County	11,795	+1.5%
Montgomery County	11,590	+2.6%
Wayne County	10,782	−1.4%
Ripley County	10,717	+0.4%
Bollinger County	10,646	+0.9%
Ralls County	10,444	+0.9%
Howard County	10,180	+0.3%

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