Sunnyvale Population

1920–2026

156.62K

2026 projection

0.5% since 2020 (increase)

050K100K150K200K192019401960198020002020

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 Sunnyvale. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026156,622+450.03%
2025156,577+1,1550.74%
2024155,422+1,9491.27%
2023153,473+1,1650.76%
2022152,308-1670.11%
2021152,475-3,3302.14%
2020155,805-7410.47%
2019156,546+2000.13%
2018156,346+1,3410.87%
2017155,005+1,0320.67%

Showing 10 of 26 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

Sunnyvale is growing faster than Santa Clara County and California, and slower than the U.S.

  • United States+3.1%
  • Sunnyvale+0.9%
  • California−0.4%
  • Santa Clara County−0.9%

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.

Sunnyvale Demographics

35.2median age

Median age

Female36.1 yrs
Male34.6 yrs

Adults

124,189
19,985 seniors (65+) · 16% of adults104,204 other adults

Sex

Female 47.6% · 73,383Male 52.4% · 80,853

Population by age

MaleFemale85+ years, male: 1,22885+ years, female: 1,80080–84 years, male: 76580–84 years, female: 1,44675–79 years, male: 1,88675–79 years, female: 1,96570–74 years, male: 2,08270–74 years, female: 2,48165–69 years, male: 3,11665–69 years, female: 3,21660–64 years, male: 4,05560–64 years, female: 3,72355–59 years, male: 4,15455–59 years, female: 4,07150–54 years, male: 4,33050–54 years, female: 3,98445–49 years, male: 4,73145–49 years, female: 4,16440–44 years, male: 5,45340–44 years, female: 5,38635–39 years, male: 8,05935–39 years, female: 5,61830–34 years, male: 10,57030–34 years, female: 8,57325–29 years, male: 9,58325–29 years, female: 7,92120–24 years, male: 4,15920–24 years, female: 3,81815–19 years, male: 3,12615–19 years, female: 2,85610–14 years, male: 3,77310–14 years, female: 4,2225–9 years, male: 4,0465–9 years, female: 3,8990–4 years, male: 5,7370–4 years, female: 4,24085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K

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 1,542 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

Sunnyvale Income

$186,170median household income

Median household income

$186,170

Half of households earn more, half earn less

Median earnings

$121,558

Typical yearly pay for a worker 25 or older.

Poverty rate

5.8%

About 1 in 17 residents

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

Sunnyvale 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%53%55%
Never married35%40%30%
Divorced6%5%7%
Widowed4%2%7%
Separated1%<1%1%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources