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
What distinguishes Wibaux County is density: among the most sparsely settled of US counties, around 1 people per square mile. Wibaux County is a county in Montana with a population of 1,148.
Household earnings are middling, with a median of $64,792 — below the US median of $78,538. Roughly 14.0% of residents fall below the poverty line, above the national 12.4%. Real estate is inexpensive, with a typical home worth only $92,300, with typical rent around $964.
Roughly 25.8% of adults have a bachelor’s, below the national 35.0%. Working from home is common here: 15.9% of workers do so, above the national 14.0%, and the average commute runs about 21 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.
Wibaux County, MT Climate
Wibaux County, MT has an average annual temperature of 7.5°C (46°F) and receives about 379 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.5°C
Avg Temp
379
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -9° / 16° | 12 mm |
| February | -4° / 24° | 9 mm |
| March | 1° / 33° | 16 mm |
| April | 8° / 46° | 36 mm |
| May | 14° / 57° | 58 mm |
| June | 19° / 66° | 73 mm |
| July | 22° / 72° | 47 mm |
| August | 22° / 71° | 38 mm |
| September | 15° / 59° | 40 mm |
| October | 9° / 48° | 25 mm |
| November | 0° / 31° | 13 mm |
| December | -6° / 20° | 12 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Wibaux County, MT
The most comfortable months to visit Wibaux County, MT are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -15°C low). June is usually the wettest month.
Where to stay near Wibaux County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.