Rancho Cucamonga, California

Rancho Cucamonga population, 2020 to 2024

Rancho Cucamonga added 1,997 residents from July 2020 to July 2024, a change of +1.1%. In the latest year it moved by +1,280. Among 429 California places of 5,000 or more, that growth ranks 120th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Rancho Cucamonga is 4.8 times that size.

Rancho Cucamonga covers 46.51 square miles of land, for 3,799 people per square mile of land. The median California place of 5,000+ has 3,725, so Rancho Cucamonga is close to the typical town.

What county Rancho Cucamonga is in

All of Rancho Cucamonga's residents live in San Bernardino County, which had 2,214,281 residents in 2024. Rancho Cucamonga holds 8.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Rancho Cucamonga

4 ZIP Code Tabulation Areas (ZCTAs) overlap Rancho Cucamonga by at least 10% of the ZCTA's or the city's land: 91701, 91730, 91737, 91739. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Rancho Cucamonga is

The Census internal point of Rancho Cucamonga is at 34.130300, -117.566100. Sacramento, the capital, is 377.0 miles NW in a straight line. The nearest larger place is Fontana, CA (218,455 people), 6.1 miles away. The ground at the internal point is about 435 m (1,427 ft) above sea level.

Daylight in Rancho Cucamonga

At 34.13° N, Rancho Cucamonga gets about 14 h 26 min of daylight around the June solstice and 9 h 53 min around the December solstice, a swing of 4 h 33 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Rancho Cucamonga daylight page.

Places near Rancho Cucamonga

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Upland, 5.5 miles away, with 79,684 people.