San Luis Population

1970–2026

43,142

2026 projection

20.7% since 2020 (increase)

010K20K30K40K50K197019801990200020102020

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 San Luis. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202643,142+1,1122.65%
202542,030+1,8274.54%
202440,203+1,9124.99%
202338,291+2,2726.31%
202236,019-2480.68%
202136,267+5151.44%
202035,752+9142.62%
201934,838+1,4594.37%
201833,379+6842.09%
201732,695+4411.37%

Showing 10 of 21 years.

San Luis Demographics

33median age

Median age

Female31.5 yrs
Male33.9 yrs

Adults

26,999
3,760 seniors · 14%23,239 other adults

Sex

Female 45.1% · 16,840Male 54.9% · 20,497

Population by age

MaleFemale85+ years, male: 5585+ years, female: 21780–84 years, male: 47180–84 years, female: 20975–79 years, male: 32375–79 years, female: 43370–74 years, male: 48970–74 years, female: 24865–69 years, male: 77465–69 years, female: 54160–64 years, male: 97760–64 years, female: 65555–59 years, male: 1,36955–59 years, female: 1,17550–54 years, male: 91350–54 years, female: 1,21845–49 years, male: 1,57345–49 years, female: 1,23640–44 years, male: 1,35040–44 years, female: 98335–39 years, male: 1,52235–39 years, female: 74830–34 years, male: 2,18130–34 years, female: 1,15225–29 years, male: 1,50625–29 years, female: 82020–24 years, male: 1,19720–24 years, female: 1,29615–19 years, male: 1,51815–19 years, female: 1,75510–14 years, male: 1,48710–14 years, female: 1,8915–9 years, male: 1,5455–9 years, female: 1,1240–4 years, male: 1,2470–4 years, female: 1,13985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 373 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 Luis Income

$59,400median household income

Median household income

$59,400

Half of households earn more, half earn less

Median earnings

$32,599

Typical yearly pay for a worker 25 or older.

Poverty rate

18.1%

About 1 in 6 residents

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

San Luis Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%45%48%
Never married38%42%34%
Divorced8%9%7%
Widowed3%2%5%
Separated4%3%6%

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