San Marine Population

2020–2026

752

2026 projection

41.4% since 2020 (increase)

02004006008002020202120222023202420252026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for San Marine. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026752+476.67%
2025705+947.42%
2023611+8315.72%
2022528-244.35%
2021552+203.76%
2020532——

Showing 6 of 6 years.

San Marine Demographics

45median age

Median age

Female44.9 yrs
Male45.2 yrs

Adults

423
86 seniors · 20%337 other adults

Sex

Female 52.2% · 264Male 47.8% · 242

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 5 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

San Marine Income

$77,710median household income

Median household income

$77,710

Half of households earn more, half earn less

Median earnings

$77,710

Typical yearly pay for a worker 25 or older.

Poverty rate

11.4%

About 1 in 9 residents

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

San Marine Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%51%30%
Never married25%29%21%
Divorced30%12%46%
Widowed4%8%0%
Separated2%0%4%

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