South Bay Population

1950–2026

5,174

2026 projection

3.4% since 2020 (increase)

01K2K3K4K5K6K19501960197019801990200020102020

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 South Bay. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,174+340.66%
20255,14000.00%
20245,140-110.21%
20235,151+270.53%
20225,124+290.57%
20215,095+931.86%
20205,002-1983.81%
20195,200+230.44%
20185,177+260.50%
20175,151+160.31%

Showing 10 of 23 years.

South Bay Demographics

37.8median age

Median age

Female31.9 yrs
Male39.2 yrs

Adults

4,117
593 seniors · 14%3,524 other adults

Sex

Female 29.2% · 1,489Male 70.8% · 3,613

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 51 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

South Bay Income

$51,417median household income

Median household income

$51,417

Half of households earn more, half earn less

Median earnings

$28,433

Typical yearly pay for a worker 25 or older.

Poverty rate

32.3%

About 1 in 3 residents

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

South Bay Marital Status

22% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married22%20%29%
Never married57%61%47%
Divorced13%14%8%
Widowed4%3%7%
Separated4%2%9%

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