Signal Hill Population

1930–2026

11,015

2026 projection

7% since 2020 (decrease)

02K4K6K8K10K12K19401960198020002020

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 Signal Hill. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202611,015-1381.24%
202511,153-1110.99%
202411,264-600.53%
202311,324-890.78%
202211,413-1411.22%
202111,554-2942.48%
202011,848-520.44%
201911,900-410.34%
201811,941+730.62%
201711,868+790.67%

Showing 10 of 25 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

Signal Hill has a population change lower than Los Angeles County, California, and the U.S.

  • United States+3.1%
  • California−0.4%
  • Los Angeles County−3.0%
  • Signal Hill−5.6%

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.

Signal Hill Demographics

41.9median age

Median age

Female40.9 yrs
Male42.6 yrs

Adults

9,387
1,443 seniors (65+) · 15% of adults7,944 other adults

Sex

Female 48.8% · 5,601Male 51.2% · 5,867

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 115 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

Signal Hill Income

$113,298median household income

Median household income

$113,298

Half of households earn more, half earn less

Median earnings

$74,006

Typical yearly pay for a worker 25 or older.

Poverty rate

7.1%

About 1 in 14 residents

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

Signal Hill Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%46%45%
Never married44%47%41%
Divorced7%4%10%
Widowed3%1%5%
Separated1%2%<1%

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