Niobrara County, Wyoming Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 23rd-largest in Wyoming
The population of Niobrara County, Wyoming is 2,415 as of the 2023 American Community Survey, making it the 23rd-largest county in Wyoming. The median household income is $48,987, the median home value is $194,200, and the median age is 49.6.
The population of Niobrara County has declined 7.6% since 2010 (2,491 → 2,301), a -0.57% annualized rate.
2,415
Population
-0.57%
Annual growth
1
People / sq mi
$48,987
Median Income
$194,200
Median Home Value
Niobrara County covers 2,626 sq mi of land at 0.9 people per square mile.
About Niobrara County, WY
Niobrara County stands apart on settlement density — it is among the most sparsely settled of US counties, at roughly 1 people per square mile. With 2,415 residents, Niobrara County is a county in Wyoming. It ranks #23 among counties in Wyoming by population.
Earnings trail the nation, with the median household making $48,987, below the US median of $78,538. Poverty sits at 16.4%, above the national 12.4%. The typical home is valued at $194,200, with typical rent around $775.
19.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Working from home is common here: 15.0% of workers do so, above the national 14.0%, and the average commute runs about 15 minutes each way.
Niobrara County Population History (2010-2024)
The county of Niobrara County had a population of 2,491 in 2010 and 2,301 in 2024, a -7.6% growth over 14 years. The peak was 2,550 in 2013. Average annual growth rate: -0.54%.
2,301
Population (2024)
2,491
Population (2010)
2,550
Peak (2013)
-0.54%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 2,491 |
| 2011 | 2,485 |
| 2012 | 2,480 |
| 2013 | 2,550 |
| 2014 | 2,494 |
| 2015 | 2,504 |
| 2016 | 2,470 |
| 2017 | 2,398 |
| 2018 | 2,403 |
| 2019 | 2,340 |
| 2020 | 2,453 |
| 2021 | 2,413 |
| 2022 | 2,346 |
| 2023 | 2,327 |
| 2024 | 2,301 |
Race & Ethnicity
| White | 93.7% |
| Black or African American | 1.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.1% |
| Two or More Races | 0.1% |
Age & Sex
49.6
Median Age
56.0%
Female
44.0%
Male
29.5%
Age 65+
Age Distribution
Children (under 15): 9.9% · Seniors (65+): 29.5%
Income & Poverty
| Median household income | $48,987$-25,828 vs state |
| Mean household income | $73,515 |
| Per-capita income | $36,676 |
| Poverty rate | 16.4%+9.3% vs state |
| Unemployment rate | 1.7% |
| Employment-to-population | 50.5% |
Top Industries by Employment
The largest employment sector in Niobrara County is professional & business services, accounting for 29.3% of workers.
How residents commute
0.0%
Drive alone
5.3%
Carpool
75.0%
Public transit
15.0%
Work from home
15.3 min
Avg commute
Housing
$194,200$-90,900 vs state
Median home value
$775
Median rent
65.2%
Homeownership rate
1,378
Total housing units
82.8%
Occupied
17.2%
Vacant
34.8%
Renter-occupied
Social & access
91.5%
With health insurance
92.7%
With broadband internet
51.8%
Foreign-born
7.0%
Veterans (18+)
16.0%
With a disability
96.8%
Speak language other than English at home
Education
94.2%
High School+
19.6%
Bachelor's+
Largest cities in Wyoming
Other counties in Wyoming
Part of Wyoming
Metro areas in Wyoming
County rankings
Frequently Asked Questions
Niobrara County, Wyoming has a population of 2,415 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest county in Wyoming. Population density is 1 people per square mile.
The population of Niobrara County has declined 7.6% since 2010 (2,491 → 2,301), a -0.57% annualized rate.
The median household income in Niobrara County, Wyoming is $48,987, with mean (average) household income of $73,515 and per-capita income of $36,676. 16.4% of residents live below the federal poverty level.
In Niobrara County, the largest racial and ethnic groups are White (93.7%), Hispanic or Latino (3.1%), Black or African American (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Niobrara County, Wyoming is 49.6 years. Residents are 56.0% female and 44.0% male.
The median home value in Niobrara County is $194,200 and median monthly rent is $775. 65.2% of occupied housing units are owner-occupied. The county has 1,378 total housing units, 17.2% of which are vacant.
The largest employment sector in Niobrara County, Wyoming is professional, scientific, and management services, employing 29.3% of workers. The unemployment rate is 1.7%.
Cheyenne is among the largest cities associated with Niobrara County, Wyoming, with a population of 64,976.
Niobrara County, WY Climate
Niobrara County, WY has an average annual temperature of 8.1°C (47°F) and receives about 380 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.1°C
Avg Temp
380
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 24° | 10 mm |
| February | -2° / 29° | 11 mm |
| March | 2° / 35° | 20 mm |
| April | 7° / 44° | 46 mm |
| May | 12° / 54° | 68 mm |
| June | 18° / 64° | 57 mm |
| July | 22° / 72° | 50 mm |
| August | 21° / 70° | 32 mm |
| September | 15° / 60° | 34 mm |
| October | 9° / 48° | 25 mm |
| November | 1° / 34° | 16 mm |
| December | -4° / 25° | 11 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 Niobrara County, WY
The most comfortable months to visit Niobrara County, WY 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 -12°C low). May is usually the wettest month.
Where to stay near Niobrara County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.