Wibaux County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 52nd-largest in Montana
The population of Wibaux County, Montana is 1,148 as of the 2023 American Community Survey, making it the 52nd-largest county in Montana. The median household income is $64,792, the median home value is $92,300, and the median age is 44.2.
The population of Wibaux County has declined 9.6% since 2010 (1,008 → 911), a -0.72% annualized rate.
1,148
Population
-0.72%
Annual growth
1
People / sq mi
$64,792
Median Income
$92,300
Median Home Value
Wibaux County covers 890 sq mi of land at 1.3 people per square mile.
About Wibaux County, MT
Wibaux County is a county in Montana with a population of 1,148. It ranks #52 among counties in Montana by population. The median age is 44.2, older than the national median. The population is 48.9% male and 51.1% female.
The median household income in Wibaux County is $64,792, below the US median of $74,580. 14.0% of residents live below the federal poverty level. Home values sit at a median of $92,300, with monthly rent averaging $964. The homeownership rate of 75.0% is higher than the national rate of 64.8%.
Educational attainment in Wibaux County reflects 25.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 15.9% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 21.0 minutes each way.
Wibaux County Population History (2010-2024)
The county of Wibaux County had a population of 1,008 in 2010 and 911 in 2024, a -9.6% growth over 14 years. The peak was 1,101 in 2013. Average annual growth rate: -0.67%.
911
Population (2024)
1,008
Population (2010)
1,101
Peak (2013)
-0.67%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 1,008 |
| 2011 | 982 |
| 2012 | 1,034 |
| 2013 | 1,101 |
| 2014 | 1,084 |
| 2015 | 1,071 |
| 2016 | 1,043 |
| 2017 | 1,019 |
| 2018 | 1,029 |
| 2019 | 954 |
| 2020 | 936 |
| 2021 | 936 |
| 2022 | 924 |
| 2023 | 904 |
| 2024 | 911 |
Race & Ethnicity
| White | 93.6% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.3% |
| Two or More Races | 0.0% |
Age & Sex
44.2
Median Age
51.1%
Female
48.9%
Male
23.8%
Age 65+
Age Distribution
Children (under 15): 21.1% · Seniors (65+): 23.8%
Income & Poverty
| Median household income | $64,792$-5,130 vs state |
| Mean household income | $83,737 |
| Per-capita income | $34,671 |
| Poverty rate | 14.0%+6.9% vs state |
| Unemployment rate | 0.0% |
| Employment-to-population | 58.8% |
Top Industries by Employment
The largest employment sector in Wibaux County is professional & business services, accounting for 26.1% of workers.
How residents commute
0.0%
Drive alone
2.6%
Carpool
80.7%
Public transit
15.9%
Work from home
21.0 min
Avg commute
Housing
$92,300$-245,800 vs state
Median home value
$964
Median rent
75.0%
Homeownership rate
596
Total housing units
78.5%
Occupied
21.5%
Vacant
25.0%
Renter-occupied
Social & access
93.7%
With health insurance
93.6%
With broadband internet
45.2%
Foreign-born
10.2%
Veterans (18+)
17.4%
With a disability
96.4%
Speak language other than English at home
Education
97.3%
High School+
25.8%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Wibaux County, Montana has a population of 1,148 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 52nd-largest county in Montana. Population density is 1 people per square mile.
The population of Wibaux County has declined 9.6% since 2010 (1,008 → 911), a -0.72% annualized rate.
The median household income in Wibaux County, Montana is $64,792, with mean (average) household income of $83,737 and per-capita income of $34,671. 14.0% of residents live below the federal poverty level.
In Wibaux County, the largest racial and ethnic groups are White (93.6%), Black or African American (0.9%), Hispanic or Latino (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Wibaux County, Montana is 44.2 years. Residents are 51.1% female and 48.9% male.
The median home value in Wibaux County is $92,300 and median monthly rent is $964. 75.0% of occupied housing units are owner-occupied. The county has 596 total housing units, 21.5% of which are vacant.
The largest employment sector in Wibaux County, Montana is professional, scientific, and management services, employing 26.1% of workers. The unemployment rate is 0.0%.
Billings is among the largest cities associated with Wibaux County, Montana, with a population of 118,321.
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Statewide data for Montana
Population, race, income, age, and trends across Montana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.