Yolo County Population

1850–2026

225.56K

2026 projection

3.6% since 2020 (increase)

050K100K150K200K250K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 Yolo County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026225,560+1,1500.51%
2025224,410+1,1500.52%
2024223,260+1,2980.58%
2023221,962-8920.40%
2022222,854+9,3304.37%
2021213,524-4,2361.95%
2020217,760-2,2591.03%
2019220,019-630.03%
2018220,082+1,6120.74%
2017218,470+2,9011.35%

Showing 10 of 32 years.

Yolo County Demographics

32.1median age

Median age

Female32.5 yrs
Male31.7 yrs

Adults

176,281
29,712 seniors (65+) · 17% of adults146,569 other adults

Sex

Female 51.3% · 113,244Male 48.7% · 107,320

Population by age

MaleFemale85+ years, male: 1,27985+ years, female: 2,07280–84 years, male: 1,42280–84 years, female: 2,02075–79 years, male: 2,37875–79 years, female: 2,81670–74 years, male: 3,44670–74 years, female: 4,54465–69 years, male: 4,73565–69 years, female: 5,00060–64 years, male: 5,30460–64 years, female: 5,76855–59 years, male: 5,46055–59 years, female: 5,53950–54 years, male: 5,65050–54 years, female: 5,87745–49 years, male: 5,80045–49 years, female: 5,76540–44 years, male: 6,38340–44 years, female: 6,77835–39 years, male: 7,05635–39 years, female: 6,52630–34 years, male: 7,41330–34 years, female: 6,78025–29 years, male: 7,68825–29 years, female: 7,70920–24 years, male: 14,36420–24 years, female: 16,44015–19 years, male: 10,70815–19 years, female: 11,99510–14 years, male: 6,20910–14 years, female: 6,7045–9 years, male: 6,6235–9 years, female: 5,7970–4 years, male: 5,4020–4 years, female: 5,11485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K15K15K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 2,206 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

Yolo County Income

$91,752median household income

Median household income

$91,752

Half of households earn more, half earn less

Median earnings

$58,474

Typical yearly pay for a worker 25 or older.

Poverty rate

16.7%

About 1 in 6 residents

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

Yolo County Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%44%40%
Never married45%46%44%
Divorced8%7%9%
Widowed4%2%5%
Separated1%<1%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year