Demographics of Richland County, Montana

Richland County, Montana had 11,377 people on July 1, 2025, by the Census Bureau’s estimate: −150 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.

Richland County, in four figures

11,377
Population: July 1, 2025, Vintage 2025 estimate.; −1.3%
Change since July 2020: −150 people.; 38.4 ±1.0
Median age: ACS 2020–⁠2024.; $73,084 ±$8,806
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.

Richland County, Montana's population shrank 1.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Richland 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

Richland County, Montana's population shrank 1.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Richland 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	11,527	100.0	100.0
2021	11,324	98.2	100.2
2022	11,174	96.9	100.7
2023	11,103	96.3	101.6
2024	11,071	96.0	102.5
2025	11,377	98.7	103.1

3 more columns on a wider screen

Population of Richland 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	11,527	+39	+25	0	+10
2021	11,324	−203	+27	+10	−233
2022	11,174	−150	−5	+28	−173
2023	11,103	−71	+34	+9	−116
2024	11,071	−32	+31	+27	−91
2025	11,377	+306	+30	+23	+259

Age, 2020–2024

The median age is 38.4 ±1.0: for men 39.2 ±1.4 and for women 37.9 ±1.1. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Richland County by age, ACS 2020–2024
Age	People	Share	Montana	United States
Under 5	685 ±63	6.1% ±0.6	5.2% ±<0.1	5.6% ±<0.1
5 to 17	2,117 ±222	18.8% ±2.0	15.8% ±0.2	16.3% ±<0.1
18 to 24	901 ±186	8.0% ±1.7	9.0% ±0.2	9.1% ±<0.1
25 to 44	2,933 ±199	26.1% ±1.8	25.8% ±0.2	26.9% ±<0.1
45 to 64	2,636 ±218	23.5% ±1.9	24.1% ±0.2	24.8% ±<0.1
65 and over	1,963 ±191	17.5% ±1.7	20.1% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $73,084 ±$8,806, and income per person $41,554 ±$4,171, in 2024 dollars. The median is $72,509 ±$761 in Montana and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Richland County by income, ACS 2020–2024
Household income	Households	Share	Montana	United States
Under $25,000	590 ±138	13.3% ±3.0	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	951 ±205	21.5% ±4.4	19.4% ±0.5	16.7% ±<0.1
$50,000 to $74,999	729 ±164	16.5% ±3.6	17.3% ±0.4	15.5% ±<0.1
$75,000 to $99,999	377 ±99	8.5% ±2.2	13.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	886 ±171	20.0% ±3.7	17.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	398 ±93	9.0% ±2.0	8.2% ±0.3	9.6% ±<0.1
$200,000 or more	491 ±154	11.1% ±3.4	9.0% ±0.3	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).

2 more columns on a wider screen

Poverty rate in Richland County by age, ACS 2020–2024
Age	Below poverty	Rate	Montana	United States
All ages	739 ±233	6.6% ±2.1	11.5% ±0.3	12.5% ±0.1
Under 18	66 to 212	2.4% to 7.6%	12.7% ±0.6	16.1% ±0.1
18 to 59	269 ±120	4.7% ±2.1	11.7% ±0.4	11.6% ±0.1
60 and over	331 ±139	12.3% ±5.0	10.3% ±0.4	11.0% ±<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%.

Housing, 2020–2024

1 more column on a wider screen

Housing in Richland County, ACS 2020–2024
Measure	Richland County	Montana	United States
Housing units	5,610 ±33	528,419 ±3,257	143,775,355 ±10,234
Occupied	78.8% ±4.8	86.8% ±0.5	89.9% ±0.1
Vacant	21.2% ±4.8	13.2% ±0.3	10.1% ±0.1
Owner occupied	67.1% ±3.9	69.2% ±0.6	65.2% ±0.3
Renter occupied	32.9% ±4.0	30.8% ±0.4	34.8% ±0.1
Median home value	$263,000 ±$20,691	$375,800 ±$3,433	$332,700 ±$236
Median gross rent	$917 ±$58	$1,081 ±$14	$1,413 ±$2
Median year built	1980 ±3	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

2 more columns on a wider screen

People in Richland County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Montana	United States
Hispanic or Latino	620 ±0	5.5% ±<0.1	4.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	9,826 ±87	87.5% ±0.8	83.6% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	0 to 66	0% to 0.6%	0.4% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	16 to 80	0.1% to 0.7%	0.8% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 53	0% to 0.5%	5.3% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	61 ±30	0.5% ±0.3	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	9 to 57	0.1% to 0.5%	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	593 ±96	5.3% ±0.9	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).

2 more columns on a wider screen

People in Richland County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Montana	United States
Born in the state	6,589 ±339	58.6% ±3.0	52.1% ±0.5	57.3% ±<0.1
Born in another state	4,182 ±351	37.2% ±3.1	44.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	50 to 188	0.4% to 1.7%	0.8% ±0.1	1.7% ±<0.1
Born abroad	345 ±91	3.1% ±0.8	2.3% ±0.1	14.1% ±<0.1
Naturalized citizens	42 to 166	0.4% to 1.5%	1.2% ±0.1	7.4% ±<0.1
Not citizens	241 ±75	2.1% ±0.7	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%.

Richland County among the counties of Montana

20th of 56 by population, July 2025. Every one is listed on the Montana page.

Counties of Montana near Richland County in population, July 2025
County	July 2025	Change since 2020
Jefferson County	13,329	+9.8%
Big Horn County	12,752	−2.5%
Custer County	12,034	+1.5%
Fergus County	11,825	+3.1%
Carbon County	11,466	+9.1%
Richland County	11,377	−1.3%
Roosevelt County	10,242	−5.2%
Beaverhead County	10,043	+7.1%
Madison County	10,026	+15.8%
Deer Lodge County	9,709	+3.0%
Stillwater County	9,445	+5.0%

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