Seaside Population

1950–2026

31,380

2026 projection

2.9% since 2020 (decrease)

010K20K30K40K19501960197019801990200020102020

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 Seaside. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202631,380-2560.81%
202531,636+3301.05%
202431,306-1400.45%
202331,446-1190.38%
202231,565-4661.45%
202132,031-2970.92%
202032,328-1,6084.74%
201933,936-400.12%
201833,976-340.10%
201734,010-2870.84%

Showing 10 of 23 years.

Seaside Demographics

34median age

Median age

Female34 yrs
Male33.9 yrs

Adults

24,867
4,059 seniors · 16%20,808 other adults

Sex

Female 49.9% · 15,866Male 50.1% · 15,948

Population by age

MaleFemale85+ years, male: 20185+ years, female: 29080–84 years, male: 7880–84 years, female: 28575–79 years, male: 30575–79 years, female: 36870–74 years, male: 70070–74 years, female: 35265–69 years, male: 67965–69 years, female: 80160–64 years, male: 95660–64 years, female: 77155–59 years, male: 72155–59 years, female: 88750–54 years, male: 88450–54 years, female: 73145–49 years, male: 1,05345–49 years, female: 1,13640–44 years, male: 1,14540–44 years, female: 1,12235–39 years, male: 1,04335–39 years, female: 92530–34 years, male: 99330–34 years, female: 1,30125–29 years, male: 1,70825–29 years, female: 1,24720–24 years, male: 1,18820–24 years, female: 1,57715–19 years, male: 1,29215–19 years, female: 1,40410–14 years, male: 1,08710–14 years, female: 9605–9 years, male: 1,0135–9 years, female: 1,0170–4 years, male: 9020–4 years, female: 69285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 318 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

Seaside Income

$85,311median household income

Median household income

$85,311

Half of households earn more, half earn less

Median earnings

$42,527

Typical yearly pay for a worker 25 or older.

Poverty rate

16%

About 1 in 6 residents

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

Seaside 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%43%40%
Never married44%45%42%
Divorced9%8%10%
Widowed4%2%6%
Separated2%2%2%

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

Sources

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

Population

American Community Survey, 2024 5-year