Placentia, California

Placentia population, 2020 to 2024

Placentia added 729 residents from July 2020 to July 2024, a change of +1.4%. In the latest year it moved by +157. Among 429 California places of 5,000 or more, that growth ranks 109th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Placentia is 1.4 times that size.

Placentia covers 6.73 square miles of land, for 7,934 people per square mile of land. The median California place of 5,000+ has 3,725, so Placentia is denser than the typical town.

What county Placentia is in

All of Placentia's residents live in Orange County, which had 3,170,435 residents in 2024. Placentia holds 1.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Placentia

1 ZIP Code Tabulation Area (ZCTA) overlaps Placentia by at least 10% of the ZCTA's or the city's land: 92870. 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 Placentia is

The Census internal point of Placentia is at 33.881200, -117.854800. Sacramento, the capital, is 382.5 miles NNW in a straight line. The nearest larger place is Fullerton, CA (140,054 people), 4.2 miles away.

Daylight in Placentia

At 33.88° N, Placentia gets about 14 h 25 min of daylight around the June solstice and 9 h 54 min around the December solstice, a swing of 4 h 31 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Placentia

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Brea, 3.1 miles away, with 47,844 people.