Richland, Washington

Richland population, 2020 to 2024

Richland added 3,480 residents from July 2020 to July 2024, a change of +5.7%. In the latest year it moved by +687. Among 125 Washington places of 5,000 or more, that growth ranks 37th; the median place changed by +2.6%. The median place of 5,000+ in Washington has 18,148 people, so Richland is 3.5 times that size.

Richland covers 42.47 square miles of land and 3.39 of water, for 1,516 people per square mile of land. The median Washington place of 5,000+ has 2,694, so Richland is less dense than the typical town.

What county Richland is in

All of Richland's residents live in Benton County, which had 218,190 residents in 2024. Richland holds 29.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Richland

2 ZIP Code Tabulation Areas (ZCTAs) overlap Richland by at least 10% of the ZCTA's or the city's land: 99352, 99354. 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 Richland is

The Census internal point of Richland is at 46.287000, -119.294000. Olympia, the capital, is 178.6 miles WNW in a straight line. The nearest larger place is Kennewick, WA (86,728 people), 8.4 miles away. The nearest city of 100,000 or more is Spokane, WA, 129.6 miles away.

Daylight in Richland

At 46.29° N, Richland gets about 15 h 48 min of daylight around the June solstice and 8 h 36 min around the December solstice, a swing of 7 h 12 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Richland

The eight nearest incorporated places of 1,000+ in Washington, measured between internal points. The closest is West Richland, 4.8 miles away, with 18,820 people.