King City Population

1970–2026

4,995

2026 projection

3.6% since 2020 (decrease)

01K2K3K4K5K6K197019801990200020102020

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 King City. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,995-490.97%
20255,044+651.31%
20244,979-170.34%
20234,996-400.79%
20225,036-881.72%
20215,124-601.16%
20205,184+340.66%
20195,150+1042.06%
20185,046+1182.39%
20174,928+1543.23%

Showing 10 of 21 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

King City has a population change lower than Washington County, Oregon, and the U.S.

  • United States+3.1%
  • Washington County+1.8%
  • Oregon+0.7%
  • King City−2.5%

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.

King City Demographics

61.3median age

Median age

Female67.2 yrs
Male55.3 yrs

Adults

4,429
2,308 seniors (65+) · 52% of adults2,121 other adults

Sex

Female 61.6% · 3,123Male 38.4% · 1,950

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 51 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

King City Income

$63,684median household income

Median household income

$63,684

Half of households earn more, half earn less

Median earnings

$60,541

Typical yearly pay for a worker 25 or older.

Poverty rate

8.7%

About 1 in 11 residents

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

King City Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%73%43%
Never married14%16%14%
Divorced17%7%24%
Widowed13%3%19%
Separated1%2%1%

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