Gillette, Wyoming

Gillette population, 2020 to 2024

Gillette added 352 residents from July 2020 to July 2024, a change of +1.1%. In the latest year it moved by +323. Among 16 Wyoming places of 5,000 or more, that growth ranks 7th; the median place changed by +0.7%. The median place of 5,000+ in Wyoming has 11,214 people, so Gillette is 3.0 times that size.

Gillette covers 23.19 square miles of land and 0.04 of water, for 1,460 people per square mile of land. The median Wyoming place of 5,000+ has 1,493, so Gillette is close to the typical town.

What county Gillette is in

All of Gillette's residents live in Campbell County, which had 47,946 residents in 2024. Gillette holds 70.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Gillette

2 ZIP Code Tabulation Areas (ZCTAs) overlap Gillette by at least 10% of the ZCTA's or the city's land: 82716, 82718. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Gillette is

The Census internal point of Gillette is at 44.272600, -105.498900. Cheyenne, the capital, is 219.2 miles S in a straight line. The nearest larger place is Casper, WY (58,823 people), 107.1 miles away. The nearest city of 100,000 or more is Billings, MT, 182.2 miles away.

Daylight in Gillette

At 44.27° N, Gillette gets about 15 h 31 min of daylight around the June solstice and 8 h 51 min around the December solstice, a swing of 6 h 40 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Gillette

The eight nearest incorporated places of 1,000+ in Wyoming, measured between internal points. The closest is Moorcroft, 27.3 miles away, with 1,025 people.