West Richland Population

1960–2026

19,879

2026 projection

22% since 2020 (increase)

05K10K15K20K1960197019801990200020102020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for West Richland. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202619,879+6223.23%
202519,257+4042.14%
202418,853+8114.50%
202318,042+5092.90%
202217,533+4432.59%
202117,090+7954.88%
202016,295+3472.18%
201915,948+3051.95%
201815,643+3692.42%
201715,274+4813.25%

Showing 10 of 22 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

West Richland is growing faster than Benton County, Washington, and the U.S.

  • West Richland+17.7%
  • Benton County+6.9%
  • Washington+3.5%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

West Richland Demographics

35.5median age

Median age

Female36.6 yrs
Male34.5 yrs

Adults

12,156
2,205 seniors (65+) · 18% of adults9,951 other adults

Sex

Female 50.9% · 8,958Male 49.1% · 8,628

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 176 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

West Richland Income

$119,892median household income

Median household income

$119,892

Half of households earn more, half earn less

Median earnings

$74,654

Typical yearly pay for a worker 25 or older.

Poverty rate

8.5%

About 1 in 12 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

West Richland Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%59%56%
Never married28%31%25%
Divorced10%8%12%
Widowed3%2%5%
Separated2%<1%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201