Demographics of Liberty County, Montana

Liberty County, Montana had 1,957 people on July 1, 2025, by the Census Bureau’s estimate: +1 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.

Liberty County, in four figures

1,957
Population: July 1, 2025, Vintage 2025 estimate.; +0.1%
Change since July 2020: +1 people.; 39.8 ±3.1
Median age: ACS 2020–⁠2024.; $57,857 ±$11,761
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.

Liberty County, Montana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Liberty County, Montana'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

Liberty County, Montana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Liberty County, Montana'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	1,956	100.0	100.0
2021	1,934	98.9	100.2
2022	1,969	100.7	100.7
2023	1,957	100.1	101.6
2024	1,951	99.7	102.5
2025	1,957	100.1	103.1

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Population of Liberty County, Montana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	1,956	−2	+1	0	−3
2021	1,934	−22	+6	0	−26
2022	1,969	+35	−2	−2	+37
2023	1,957	−12	−7	−1	−4
2024	1,951	−6	−5	+12	−13
2025	1,957	+6	−6	+10	+3

Age, 2020–2024

The median age is 39.8 ±3.1: for men 38.5 ±4.7 and for women 41.2 ±4.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Liberty County by age, ACS 2020–2024
Age	People	Share	Montana	United States
Under 5	144 ±50	7.4% ±2.5	5.2% ±<0.1	5.6% ±<0.1
5 to 17	387 ±69	19.8% ±3.5	15.8% ±0.2	16.3% ±<0.1
18 to 24	11 to 109	0.6% to 5.6%	9.0% ±0.2	9.1% ±<0.1
25 to 44	546 ±102	28.0% ±5.2	25.8% ±0.2	26.9% ±<0.1
45 to 64	394 ±79	20.2% ±4.0	24.1% ±0.2	24.8% ±<0.1
65 and over	421 ±67	21.6% ±3.4	20.1% ±0.2	17.2% ±<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%.

Income and poverty, 2020–2024

Median household income is $57,857 ±$11,761, and income per person $34,957 ±$6,997, in 2024 dollars. The median is $72,509 ±$761 in Montana and $80,734 ±$166 in the United States.

Households by income

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Households in Liberty County by income, ACS 2020–2024
Household income	Households	Share	Montana	United States
Under $25,000	141 ±48	19.5% ±6.1	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	180 ±56	24.9% ±7.1	19.4% ±0.5	16.7% ±<0.1
$50,000 to $74,999	135 ±45	18.6% ±5.7	17.3% ±0.4	15.5% ±<0.1
$75,000 to $99,999	79 ±35	10.9% ±4.6	13.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	124 ±48	17.1% ±6.3	17.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	2 to 50	0.3% to 6.9%	8.2% ±0.3	9.6% ±<0.1
$200,000 or more	16 to 62	2.3% to 8.5%	9.0% ±0.3	13.4% ±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%.

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 Liberty County by age, ACS 2020–2024
Age	Below poverty	Rate	Montana	United States
All ages	496 ±184	25.8% ±9.6	11.5% ±0.3	12.5% ±0.1
Under 18	185 ±84	34.8% ±13.5	12.7% ±0.6	16.1% ±0.1
18 to 59	258 ±101	29.6% ±10.6	11.7% ±0.4	11.6% ±0.1
60 and over	53 ±26	10.2% ±4.7	10.3% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Liberty County, ACS 2020–2024
Measure	Liberty County	Montana	United States
Housing units	837 ±89	528,419 ±3,257	143,775,355 ±10,234
Occupied	86.5% ±6.4	86.8% ±0.5	89.9% ±0.1
Vacant	13.5% ±4.2	13.2% ±0.3	10.1% ±0.1
Owner occupied	63.4% ±5.6	69.2% ±0.6	65.2% ±0.3
Renter occupied	36.6% ±6.6	30.8% ±0.4	34.8% ±0.1
Median home value	$169,100 ±$33,402	$375,800 ±$3,433	$332,700 ±$236
Median gross rent	$710 ±$185	$1,081 ±$14	$1,413 ±$2
Median year built	1966 ±4	1981 ±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 Liberty County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Montana	United States
Hispanic or Latino	0 to 4	0% to 0.2%	4.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	1,823 ±32	93.4% ±1.6	83.6% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	0 to 11	0% to 0.6%	0.4% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 31	0% to 1.6%	0.8% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	15 to 77	0.8% to 3.9%	5.3% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 11	0% to 0.6%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 17	0% to 0.9%	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	61 ±27	3.1% ±1.4	4.7% ±0.2	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 Liberty County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Montana	United States
Born in the state	1,586 ±69	81.3% ±3.5	52.1% ±0.5	57.3% ±<0.1
Born in another state	302 ±72	15.5% ±3.7	44.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	0 to 16	0% to 0.8%	0.8% ±0.1	1.7% ±<0.1
Born abroad	27 to 85	1.4% to 4.4%	2.3% ±0.1	14.1% ±<0.1
Naturalized citizens	6 to 28	0.3% to 1.4%	1.2% ±0.1	7.4% ±<0.1
Not citizens	11 to 67	0.6% to 3.4%	1.1% ±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%.

Liberty County among the counties of Montana

46th of 56 by population, July 2025. Every one is listed on the Montana page.

Counties of Montana near Liberty County in population, July 2025
County	July 2025	Change since 2020
Sheridan County	3,436	−2.9%
Fallon County	2,959	−2.3%
Judith Basin County	2,162	+6.8%
Meagher County	2,137	+11.2%
Wheatland County	2,100	+1.2%
Liberty County	1,957	+0.1%
Powder River County	1,781	+5.1%
McCone County	1,720	−0.6%
Daniels County	1,612	−2.3%
Carter County	1,383	−1.6%
Garfield County	1,148	−1.9%

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