Prosser, Washington

Prosser population, 2020 to 2024

Prosser added 394 residents from July 2020 to July 2024, a change of +6.4%. In the latest year it moved by +160. Among 125 Washington places of 5,000 or more, that growth ranks 30th; the median place changed by +2.6%. The median place of 5,000+ in Washington has 18,148 people, so Prosser is 36% of it.

Prosser covers 5.17 square miles of land and 0.13 of water, for 1,265 people per square mile of land. The median Washington place of 5,000+ has 2,694, so Prosser is less dense than the typical town.

What county Prosser is in

All of Prosser's residents live in Benton County, which had 218,190 residents in 2024. Prosser holds 3.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Prosser

1 ZIP Code Tabulation Area (ZCTA) overlaps Prosser by at least 10% of the ZCTA's or the city's land: 99350. 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 Prosser is

The Census internal point of Prosser is at 46.209000, -119.767800. Olympia, the capital, is 159.2 miles WNW in a straight line. The nearest larger place is Grandview, WA (11,599 people), 7.1 miles away. The nearest city of 100,000 or more is Gresham, OR, 137.6 miles away.

Daylight in Prosser

At 46.21° N, Prosser gets about 15 h 47 min of daylight around the June solstice and 8 h 37 min around the December solstice, a swing of 7 h 10 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Prosser

The eight nearest incorporated places of 1,000+ in Washington, measured between internal points. The closest is Grandview, 7.2 miles away, with 11,599 people.