Rancho Santa Margarita Population

1990–2026

45,357

2026 projection

5.2% since 2020 (decrease)

010K20K30K40K50K19901995200020052010201520202025

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 Rancho Santa Margarita. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202645,357-4220.92%
202545,779-4010.87%
202446,180-1880.41%
202346,368-4590.98%
202246,827-5131.08%
202147,340-5271.10%
202047,867-600.13%
201947,927-4210.87%
201848,348-3450.71%
201748,693-2100.43%

Showing 10 of 19 years.

Rancho Santa Margarita Demographics

40.9median age

Median age

Female41.2 yrs
Male40.6 yrs

Adults

36,612
5,652 seniors · 15%30,960 other adults

Sex

Female 50.4% · 23,676Male 49.6% · 23,314

Population by age

MaleFemale85+ years, male: 29385+ years, female: 45080–84 years, male: 32480–84 years, female: 22475–79 years, male: 32475–79 years, female: 50770–74 years, male: 68670–74 years, female: 51365–69 years, male: 1,16165–69 years, female: 1,17060–64 years, male: 2,22960–64 years, female: 1,83855–59 years, male: 1,85855–59 years, female: 2,03050–54 years, male: 1,76050–54 years, female: 1,74345–49 years, male: 1,39345–49 years, female: 2,06540–44 years, male: 1,86840–44 years, female: 1,87035–39 years, male: 1,68735–39 years, female: 1,80230–34 years, male: 1,39030–34 years, female: 1,52525–29 years, male: 1,38225–29 years, female: 1,38220–24 years, male: 1,25820–24 years, female: 1,00515–19 years, male: 1,59415–19 years, female: 1,40010–14 years, male: 1,48910–14 years, female: 1,4375–9 years, male: 1,6375–9 years, female: 1,2450–4 years, male: 9810–4 years, female: 1,47085+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 470 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

Rancho Santa Margarita Income

$152,560median household income

Median household income

$152,560

Half of households earn more, half earn less

Median earnings

$82,594

Typical yearly pay for a worker 25 or older.

Poverty rate

5.8%

About 1 in 17 residents

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

Rancho Santa Margarita Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%61%60%
Never married27%29%25%
Divorced8%7%9%
Widowed3%2%5%
Separated<1%1%<1%

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