Rancho Cucamonga Population

1940–2026

178.44K

2026 projection

2.2% since 2020 (increase)

050K100K150K200K19401960198020002020

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 Cucamonga. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026178,442+5860.33%
2025177,856+8540.48%
2024177,002+1,2700.72%
2023175,732+5840.33%
2022175,148-1610.09%
2021175,309+6540.37%
2020174,655-3,9012.18%
2019178,556+2770.16%
2018178,279+4720.27%
2017177,807+1,1000.62%

Showing 10 of 23 years.

Rancho Cucamonga Demographics

38.6median age

Median age

Female40.7 yrs
Male36.8 yrs

Adults

135,904
25,493 seniors · 19%110,411 other adults

Sex

Female 49.9% · 87,577Male 50.1% · 87,834

Population by age

MaleFemale85+ years, male: 1,14485+ years, female: 1,58480–84 years, male: 1,11280–84 years, female: 1,32175–79 years, male: 1,99875–79 years, female: 2,26870–74 years, male: 3,13270–74 years, female: 3,56365–69 years, male: 4,09765–69 years, female: 5,27460–64 years, male: 5,79260–64 years, female: 6,59155–59 years, male: 5,05155–59 years, female: 5,42050–54 years, male: 5,54050–54 years, female: 5,77645–49 years, male: 6,31545–49 years, female: 6,61040–44 years, male: 5,90040–44 years, female: 6,14135–39 years, male: 5,93235–39 years, female: 5,53530–34 years, male: 6,77430–34 years, female: 7,13325–29 years, male: 6,71625–29 years, female: 5,44620–24 years, male: 5,25220–24 years, female: 4,32815–19 years, male: 5,58815–19 years, female: 5,57710–14 years, male: 5,89910–14 years, female: 5,2885–9 years, male: 5,5505–9 years, female: 4,5420–4 years, male: 6,0420–4 years, female: 5,18085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K

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 1,754 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 Cucamonga Income

$111,895median household income

Median household income

$111,895

Half of households earn more, half earn less

Median earnings

$62,354

Typical yearly pay for a worker 25 or older.

Poverty rate

8%

About 1 in 12 residents

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

Rancho Cucamonga Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%53%49%
Never married33%36%31%
Divorced9%7%12%
Widowed4%2%6%
Separated2%2%2%

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