Green River, Wyoming

Green River population, 2020 to 2024

Green River lost 334 residents from July 2020 to July 2024, a change of -2.8%. In the latest year it moved by -26. Among 16 Wyoming places of 5,000 or more, that growth ranks 15th; the median place changed by +0.7%. The median place of 5,000+ in Wyoming has 11,214 people, so Green River is 1.0 times that size.

Green River covers 13.81 square miles of land and 0.30 of water, for 831 people per square mile of land. The median Wyoming place of 5,000+ has 1,493, so Green River is less dense than the typical town.

What county Green River is in

All of Green River's residents live in Sweetwater County, which had 41,273 residents in 2024. Green River holds 27.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Green River

1 ZIP Code Tabulation Area (ZCTA) overlaps Green River by at least 10% of the ZCTA's or the city's land: 82935. 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 Green River is

The Census internal point of Green River is at 41.512900, -109.470800. Cheyenne, the capital, is 242.7 miles E in a straight line. The nearest larger place is Rock Springs, WY (22,967 people), 14.1 miles away. The nearest city of 100,000 or more is Salt Lake City, UT, 137.8 miles away.

Daylight in Green River

At 41.51° N, Green River gets about 15 h 11 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 01 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Green River

The eight nearest incorporated places of 1,000+ in Wyoming, measured between internal points. The closest is Rock Springs, 14.1 miles away, with 22,967 people.