Ukiah Population

1880–2026

15,947

2026 projection

4% since 2020 (decrease)

05K10K15K20K18801900192019401960198020002020

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 Ukiah. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,947-1210.75%
202516,068+100.06%
202416,058-730.45%
202316,131-1711.05%
202216,302-2071.25%
202116,509-980.59%
202016,607-390.23%
201916,646-170.10%
201816,663+2041.24%
201716,459+1801.11%

Showing 10 of 30 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

Ukiah has a population change higher than Mendocino County, and lower than California and the U.S.

  • United States+3.1%
  • California−0.4%
  • Ukiah−2.9%
  • Mendocino County−3.5%

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.

Ukiah Demographics

39.2median age

Median age

Female42.3 yrs
Male36.7 yrs

Adults

12,580
3,228 seniors (65+) · 26% of adults9,352 other adults

Sex

Female 51.3% · 8,357Male 48.7% · 7,947

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 163 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

Ukiah Income

$66,160median household income

Median household income

$66,160

Half of households earn more, half earn less

Median earnings

$45,487

Typical yearly pay for a worker 25 or older.

Poverty rate

17.9%

About 1 in 6 residents

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

Ukiah Marital Status

34% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married34%37%30%
Never married40%46%35%
Divorced18%11%24%
Widowed6%4%8%
Separated2%2%3%

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