Demographics of Wibaux County, Montana

Wibaux County, Montana had 885 people on July 1, 2025, by the Census Bureau’s estimate: −51 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.

Wibaux County, in four figures

885
Population: July 1, 2025, Vintage 2025 estimate.; −5.4%
Change since July 2020: −51 people.; 41.0 ±6.6
Median age: ACS 2020–⁠2024.; $67,462 ±$20,229
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.

Wibaux County, Montana's population shrank 5.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Wibaux 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

Wibaux County, Montana's population shrank 5.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Wibaux 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	936	100.0	100.0
2021	936	100.0	100.2
2022	922	98.5	100.7
2023	905	96.7	101.6
2024	912	97.4	102.5
2025	885	94.6	103.1

3 more columns on a wider screen

Population of Wibaux 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	936	−1	+1	0	−2
2021	936	0	−12	0	+12
2022	922	−14	−15	0	+3
2023	905	−17	−11	0	−8
2024	912	+7	−17	0	+25
2025	885	−27	−16	−1	−10

Age, 2020–2024

The median age is 41.0 ±6.6: for men 46.8 ±6.5 and for women 38.6 ±7.8. 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 Wibaux County by age, ACS 2020–2024
Age	People	Share	Montana	United States
Under 5	23 to 91	2.0% to 7.5%	5.2% ±<0.1	5.6% ±<0.1
5 to 17	299 ±86	25.1% ±6.3	15.8% ±0.2	16.3% ±<0.1
18 to 24	1 to 89	0.1% to 7.5%	9.0% ±0.2	9.1% ±<0.1
25 to 44	242 ±69	20.3% ±5.1	25.8% ±0.2	26.9% ±<0.1
45 to 64	306 ±66	25.6% ±4.3	24.1% ±0.2	24.8% ±<0.1
65 and over	244 ±61	20.5% ±4.3	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 $67,462 ±$20,229, and income per person $34,425 ±$5,256, 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 Wibaux County by income, ACS 2020–2024
Household income	Households	Share	Montana	United States
Under $25,000	34 to 106	7.7% to 22.7%	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	94 ±38	20.4% ±8.0	19.4% ±0.5	16.7% ±<0.1
$50,000 to $74,999	36 to 114	8.1% to 24.4%	17.3% ±0.4	15.5% ±<0.1
$75,000 to $99,999	80 ±32	17.4% ±6.6	13.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	70 ±31	15.2% ±6.6	17.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	4 to 74	0.9% to 16.0%	8.2% ±0.3	9.6% ±<0.1
$200,000 or more	12 to 54	2.7% to 11.6%	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).

2 more columns on a wider screen

Poverty rate in Wibaux County by age, ACS 2020–2024
Age	Below poverty	Rate	Montana	United States
All ages	80 to 288	7.2% to 24.5%	11.5% ±0.3	12.5% ±0.1
Under 18	28 to 126	9.6% to 33.6%	12.7% ±0.6	16.1% ±0.1
18 to 59	21 to 119	4.8% to 24.1%	11.7% ±0.4	11.6% ±0.1
60 and over	7 to 67	2.6% to 20.3%	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 Wibaux County, ACS 2020–2024
Measure	Wibaux County	Montana	United States
Housing units	595 ±65	528,419 ±3,257	143,775,355 ±10,234
Occupied	77.5% ±4.1	86.8% ±0.5	89.9% ±0.1
Vacant	22.5% ±10.0	13.2% ±0.3	10.1% ±0.1
Owner occupied	72.5% ±8.4	69.2% ±0.6	65.2% ±0.3
Renter occupied	27.5% ±9.6	30.8% ±0.4	34.8% ±0.1
Median home value	$98,600 ±$5,670	$375,800 ±$3,433	$332,700 ±$236
Median gross rent	$963 ±$163	$1,081 ±$14	$1,413 ±$2
Median year built	1973 ±5	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 Wibaux County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Montana	United States
Hispanic or Latino	92 ±38	7.7% ±3.0	4.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	1,064 ±158	89.2% ±5.2	83.6% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	0 to 17	0% to 1.4%	0.4% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 5	0% to 0.4%	0.8% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 11	0% to 0.9%	5.3% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 11	0% to 0.9%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 58	0% to 4.8%	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	0 to 13	0% to 1.1%	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 Wibaux County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Montana	United States
Born in the state	606 ±130	50.8% ±8.4	52.1% ±0.5	57.3% ±<0.1
Born in another state	525 ±121	44.0% ±8.2	44.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	0 to 11	0% to 0.9%	0.8% ±0.1	1.7% ±<0.1
Born abroad	5 to 119	0.5% to 9.9%	2.3% ±0.1	14.1% ±<0.1
Naturalized citizens	5 to 119	0.5% to 9.9%	1.2% ±0.1	7.4% ±<0.1
Not citizens	0 to 11	0% to 0.9%	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%.

Wibaux County among the counties of Montana

53rd of 56 by population, July 2025. Every one is listed on the Montana page.

Counties of Montana near Wibaux County in population, July 2025
County	July 2025	Change since 2020
McCone County	1,720	−0.6%
Daniels County	1,612	−2.3%
Carter County	1,383	−1.6%
Garfield County	1,148	−1.9%
Prairie County	1,112	+1.6%
Wibaux County	885	−5.4%
Golden Valley County	844	+2.7%
Treasure County	728	−4.0%
Petroleum County	548	+9.2%

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