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CITY · 2000 CENSUS

Gillette

Wyoming · 19,646 residents · 23.2 sq mi
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The short version

Gillette is home to 19,646 people in Wyoming. The median age is 31.7, younger than the US median of 35.2. Households here earn about 23% more than in Wyoming as a whole. 18% of adults hold a bachelor's degree or higher. Median home value sits at $91,900. The poverty rate is 7.9%, under the national 12.4%.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 31.7
US median: 35.2
Less educated
18% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
19,646
+11%since 1990
from 17,635 in 1990
1990 – 2025
Median age
31.7
+8%since 1990
from 29.4 in 1990
US average: 35.2
Land area
23.2 sq mi
Population, 1990 – 2024
16K21K26K30K35K19902000201020202024Gillette
202433K
1990201020202024
Age distribution, 2000
Under 57.6%(1,500)
US avg: 6.8%
5 to 98%(1,563)
US avg: 7.3%
10 to 148.5%(1,679)
US avg: 7.3%
15 to 199.3%(1,825)
US avg: 7.2%
20 to 247.4%(1,458)
US avg: 6.7%
25 to 3412.9%(2,536)
US avg: 14.2%
35 to 4418.7%(3,683)
US avg: 16%
45 to 5415.2%(2,985)
US avg: 13.4%
55 to 646.2%(1,227)
US avg: 8.6%
65 to 743.5%(680)
US avg: 6.5%
75 to 841.8%(360)
US avg: 4.4%
85 and over0.8%(150)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$46,521
−1%inflation adjusted, since 1990
from $35,532 in 1990
US average: $42,589
1990 – 2024
Per capita income
$19,749
+44%since 1990
from $13,671 in 1990
US average: $21,522
Poverty rate
7.9%
−1.8 ptssince 1990
from 9.7% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$91,900
+2%inflation adjusted, since 1990
from $68,400 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$453
−3%inflation adjusted, since 1990
from $355 in 1990
US average: $602
Owner-occupied
65.9%
+2.7 ptssince 1990
from 63.1% in 1990
34.1% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic97.8%(17,246)
Black0.1%(15)
Hispanic / Latino2.5%(444)
Asian0.4%(64)
2000
White, non-Hispanic93.4%(18,350)
Black0.2%(35)
Hispanic / Latino3.9%(774)
Asian0.4%(77)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican10.3%(3,459)
Guatemalan0.2%(78)
Salvadoran0.2%(60)
Spaniard0.2%(54)
Colombian0.1%(34)
Peruvian0.1%(33)
Asian origin
Cambodian0.1%(38)
Chinese0.1%(37)
Korean0.1%(24)
Filipino0%(16)
Ancestry
German20.9%(6,996)
English9.4%(3,133)
Irish8.1%(2,697)
American6.4%(2,131)
Norwegian3.1%(1,020)
French2.2%(738)
Swedish2%(658)
Scottish1.8%(595)
Italian1.6%(546)
Polish1.3%(430)
Czech1.2%(396)
Dutch1.1%(359)
+ 18 more ancestry groups with data
Danish1%(346)
British0.9%(314)
Russian0.8%(276)
Scotch-Irish0.6%(206)
Canadian0.6%(198)
Welsh0.5%(169)
Kenyan0.4%(135)
Hungarian0.3%(100)
Finnish0.2%(77)
Romanian0.2%(67)
Swiss0.2%(57)
Nigerian0.1%(26)
Greek0.1%(23)
Croatian0.1%(21)
Slovak0.1%(21)
Portuguese0.1%(20)
Latvian0%(6)
Section 05

Education

Bachelor's degree or higher
17.8%
−0.1 ptssince 1990
from 17.9% in 1990
US average: 24.4%
High school or higher
89.4%
+0.7 ptssince 1990
from 88.7% in 1990
US average: 80.3%
Graduate degree
5.1%
+0.9 ptssince 1990
from 4.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.9 min
−14%since 1990
from 16.2 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married29%(2,195)
Married59.1%(4,477)
Widowed1.3%(99)
Divorced10.6%(806)
Women 15+
Never married20.3%(1,489)
Married59.2%(4,349)
Widowed7.3%(535)
Divorced13.3%(977)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
14.0%
−3.1 ptssince 2013
from 17.1% in 2013
US average: 8.4%
Employer-based
60.3%
−5.4 ptssince 2020
from 65.7% in 2020
US average: 54.8%
Direct-purchase
12.4%
+1.3 ptssince 2020
from 11.1% in 2020
US average: 13.8%
Medicare
12.3%
+2.2 ptssince 2020
from 10.1% in 2020
US average: 18.4%
Medicaid
10.0%
−1.2 ptssince 2020
from 11.2% in 2020
US average: 20.9%
VA health care
2.6%
−0.1 ptssince 2020
from 2.7% in 2020
US average: 2.2%
Any private
72.7%
−4.5 ptssince 2020
from 77.2% in 2020
US average: 67.1%
Any public
22.1%
+1.4 ptssince 2020
from 20.7% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)27%(459)
US avg: 26.4%
Gulf War (1990s)26.2%(444)
US avg: 24.3%
Vietnam era30.5%(517)
US avg: 33.1%
Korean War0.3%(5)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 1,697 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Frequently asked

How many people live in Gillette, Wyoming?

Gillette, Wyoming has about 19,646 residents according to the 2000 Census.

What is the median household income in Gillette, Wyoming?

The typical household in Gillette, Wyoming earns about $46,521 a year. Half of households make more than that, and half make less.

Is Gillette, Wyoming expensive?

In Gillette, Wyoming, the median home is worth about $91,900, and the typical rent is about $453 a month.

How educated are people in Gillette, Wyoming?

About 17.8% of adults age 25 and over in Gillette, Wyoming hold a bachelor's degree or higher.

What is the poverty rate in Gillette, Wyoming?

About 7.9% of people in Gillette, Wyoming live below the federal poverty line.

Has Gillette, Wyoming grown since 1990?

Yes, Gillette, Wyoming has grown since 1990. The population has added about 2,011 residents, a change of about 11 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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