Gillette, Wyoming Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Gillette, Wyoming is 33,278 as of the 2023 American Community Survey, making it the 3rd-largest city in Wyoming. The median household income is $90,699, the median home value is $257,200, and the median age is 33.4.
The population has grown 7.3% since 2010 (31,534 → 33,846).
33,278
Population
1435
People / sq mi
$90,699
Median Income
$257,200
Median Home Value
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Gillette covers 23.2 sq mi of land at 1435 people per square mile.
About Gillette, WY
What sets Gillette apart is where people work — remote work is unusually rare here, at 3.5% versus 14.0% nationally. With 33,278 residents, Gillette is a city in Wyoming. It is the #3-largest of all cities in Wyoming nationally.
Median household income is $90,699, above the US median of $78,538. About 7.3% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $257,200, with typical rent around $922.
Fewer adults hold degrees here than in most comparable places — 23.1%, below the national 35.0%. Almost everyone commutes — only 3.5% work from home, below the national 14.0%, and the average commute runs about 20 minutes each way.
Gillette city Population History (2010-2024)
The city of Gillette city had a population of 31,534 in 2010 and 33,846 in 2024, a 7.3% growth over 14 years. The peak was 34,185 in 2015. Average annual growth rate: 0.53%.
33,846
Population (2024)
31,534
Population (2010)
34,185
Peak (2015)
0.53%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 31,534 |
| 2011 | 31,949 |
| 2012 | 32,970 |
| 2013 | 33,211 |
| 2014 | 33,355 |
| 2015 | 34,185 |
| 2016 | 33,824 |
| 2017 | 32,196 |
| 2018 | 32,056 |
| 2019 | 32,030 |
| 2020 | 33,494 |
| 2021 | 33,008 |
| 2022 | 33,287 |
| 2023 | 33,523 |
| 2024 | 33,846 |
Race & Ethnicity
| White | 85.1% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Economy & Income
$90,699
Median Household Income
$39,578
Per Capita Income
7.3%
Poverty Rate
3.1%
Unemployment Rate
Housing
$257,200
Median Home Value
$922
Median Rent
75.2%
Owner-Occupied
Education
92.8%
High School+
23.1%
Bachelor's+
Commute
0.8%
Drive Alone
80.9%
Public Transit
3.5%
Work From Home
20.4 min
Avg Commute
Community Profile
52.3%
Foreign Born
91.7%
Non-English at Home
7.4%
Veterans
10.6%
With Disability
87.4%
Health Insurance
95.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.5% |
| Agriculture & Mining | 16.2% |
| Education, Health Care & Social Services | 9.5% |
| Construction | 8.8% |
| Retail Trade | 6.3% |
| Finance, Insurance & Real Estate | 5.6% |
| Arts, Entertainment & Food Services | 5.4% |
| Manufacturing | 5.2% |
| Public Administration | 5.2% |
| Information | 3.2% |
| Transportation & Warehousing | 1.2% |
Largest cities in Wyoming
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City rankings
Frequently Asked Questions
Gillette, Wyoming has a population of 33,278 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest city in Wyoming.
The median household income in Gillette, Wyoming is $90,699, with 7.3% of residents living below the federal poverty level.
The median home value in Gillette, Wyoming is $257,200, with median monthly rent at $922 and a homeownership rate of 75.2%.
The median age in Gillette, Wyoming is 33.4 years. The population is 52.5% male and 47.5% female.
The population has grown 7.3% since 2010 (31,534 → 33,846).
Gillette city, WY Climate
Gillette city, WY has an average annual temperature of 7°C (45°F) and receives about 390 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7°C
Avg Temp
390
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 12 mm |
| February | -3° / 26° | 15 mm |
| March | 1° / 34° | 18 mm |
| April | 6° / 42° | 44 mm |
| May | 11° / 52° | 70 mm |
| June | 17° / 62° | 73 mm |
| July | 21° / 70° | 38 mm |
| August | 20° / 69° | 31 mm |
| September | 14° / 58° | 33 mm |
| October | 8° / 46° | 27 mm |
| November | 0° / 32° | 15 mm |
| December | -5° / 23° | 14 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 Gillette city, WY
The most comfortable months to visit Gillette city, WY are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -12°C low). June is usually the wettest month.
Where to stay near Gillette
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.