Sea Cliff Population

1880–2026

5,025

2026 projection

0.6% since 2020 (decrease)

01K2K3K4K5K6K18801900192019401960198020002020

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 Sea Cliff. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,025-60.12%
20255,031-20.04%
20245,033+220.44%
20235,011-30.06%
20225,014-290.58%
20215,043-110.22%
20205,054+350.70%
20195,019-100.20%
20185,029-110.22%
20175,040-20.04%

Showing 10 of 29 years.

Sea Cliff Demographics

40.5median age

Median age

Female37.8 yrs
Male47.1 yrs

Adults

3,696
952 seniors · 26%2,744 other adults

Sex

Female 55.6% · 2,798Male 44.4% · 2,235

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 50 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

Sea Cliff Income

$193,590median household income

Median household income

$193,590

Half of households earn more, half earn less

Median earnings

$98,750

Typical yearly pay for a worker 25 or older.

Poverty rate

0.9%

About 1 in 106 residents

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

Sea Cliff Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%64%59%
Never married26%29%23%
Divorced10%5%14%
Widowed2%2%3%
Separated<1%0%<1%

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