Solano County Population

1850–2026

455.68K

2026 projection

0.6% since 2020 (increase)

0100K200K300K400K500K186018801900192019401960198020002020

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 Solano County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026455,676+3000.07%
2025455,376+3000.07%
2024455,076+3,6990.82%
2023451,377+1,5250.34%
2022449,852-1,1960.27%
2021451,048-1,8470.41%
2020452,895+5,4611.22%
2019447,434+1,5030.34%
2018445,931+2,3770.54%
2017443,554+4,7201.08%

Showing 10 of 32 years.

Solano County Demographics

39.2median age

Median age

Female40.4 yrs
Male37.9 yrs

Adults

353,088
78,738 seniors (65+) · 22% of adults274,350 other adults

Sex

Female 50.1% · 226,446Male 49.9% · 225,472

Population by age

MaleFemale85+ years, male: 2,79185+ years, female: 5,59380–84 years, male: 4,01580–84 years, female: 4,07675–79 years, male: 6,20475–79 years, female: 8,27670–74 years, male: 9,84570–74 years, female: 10,65965–69 years, male: 12,29465–69 years, female: 14,98560–64 years, male: 13,92460–64 years, female: 15,33655–59 years, male: 14,20555–59 years, female: 14,41950–54 years, male: 13,74450–54 years, female: 13,63845–49 years, male: 13,32645–49 years, female: 12,89340–44 years, male: 15,61740–44 years, female: 14,90935–39 years, male: 16,43635–39 years, female: 15,49830–34 years, male: 16,98630–34 years, female: 16,17425–29 years, male: 15,53525–29 years, female: 14,26320–24 years, male: 14,56820–24 years, female: 12,90715–19 years, male: 14,12915–19 years, female: 13,00710–14 years, male: 14,76910–14 years, female: 13,9425–9 years, male: 13,8945–9 years, female: 13,5800–4 years, male: 13,1900–4 years, female: 12,29185+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 4,519 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

Solano County Income

$100,401median household income

Median household income

$100,401

Half of households earn more, half earn less

Median earnings

$59,143

Typical yearly pay for a worker 25 or older.

Poverty rate

10%

About 1 in 10 residents

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

Solano County Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%49%46%
Never married35%38%32%
Divorced10%9%12%
Widowed6%2%9%
Separated2%2%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