Newcastle, Wyoming

Newcastle population, 2020 to 2024

Newcastle lost 3 residents from July 2020 to July 2024, a change of -0.1%. In the latest year it moved by +15.

Newcastle covers 2.56 square miles of land, for 1,310 people per square mile of land. The median Wyoming place of 5,000+ has 1,493, so Newcastle is less dense than the typical town.

What county Newcastle is in

All of Newcastle's residents live in Weston County, which had 6,866 residents in 2024. Newcastle holds 48.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Newcastle

1 ZIP Code Tabulation Area (ZCTA) overlaps Newcastle by at least 10% of the ZCTA's or the city's land: 82701. 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 Newcastle is

The Census internal point of Newcastle is at 43.850300, -104.196500. Cheyenne, the capital, is 189.9 miles S in a straight line. The nearest larger place is Hot Springs, SD (3,608 people), 47.2 miles away. The nearest city of 100,000 or more is Fort Collins, CO, 232.5 miles away.

Daylight in Newcastle

At 43.85° N, Newcastle gets about 15 h 28 min of daylight around the June solstice and 8 h 54 min around the December solstice, a swing of 6 h 34 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Newcastle

The eight nearest incorporated places of 1,000+ in Wyoming, measured between internal points. The closest is Sundance, 39.2 miles away, with 1,123 people.