Zip Code 92870
Placentia, California — Orange County
📍 ZIP code 92870 is in Placentia, Orange County, California.
ZIP code 92870 is located in Placentia, Orange County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 52,384. The area code for ZIP code 92870 is 714.
Quick Answer
Zip code 92870 is in Placentia, California (Orange County). It has a population of 52,384, median household income of $110,575, and median home value of $871,000.
Population
52,384
Income
$110,575
Home Value
$871,000
Climate
87°F / 49°F
About Zip Code 92870
Zip code 92870 is located in Placentia, California, within Orange County. Home to approximately 52,384 residents, this area sits at an elevation of 283 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 714.
The median household income is $110,575 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $871,000, and the cost of living index is 236 (136% above the national average of 100).
Summers average a high of 87°F while winters drop to 49°F. The area receives about 14 in of rain annually. The zip code covers 6.8 square miles of land area.
Key Statistics
52,384
$110,575
$871,000
Pacific (PST/PDT)
714
283 ft
6.8 sq mi
38
17,545
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Compare With Nearby Zip Codes
| Metric | 92870 | 92831 | 92806 | 92886 | 92821 | 92865 |
|---|---|---|---|---|---|---|
| City | Placentia, CA | Fullerton, CA | Anaheim, CA | Yorba Linda, CA | Brea, CA | Orange, CA |
| Population | 52,384 | 35,831 | 40,528 | 49,919 | 42,196 | 20,897 |
| Median Income | $110,575 | $89,451 | $95,112 | $148,170 | $116,660 | $130,258 |
| Home Value | $871,000 | $821,300 | $791,200 | $1,062,200 | $851,800 | $842,700 |
| Cost of Living | 236 | 205 | 209 | 250 | 235 | 233 |
| Median Age | 38 | 31.7 | 34.3 | 43.5 | 39.7 | 38.6 |
Cost of Living
100 = National Average. Placentia's cost of living is 136% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
7.9x
Demographics
Zip code 92870 has a population of 52,384 people with a median age of 38. There are 17,545 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Placentia (92870) population trend from 2010 to 2024
↑ 52284.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
49°F
14 in
0 in
Placentia experiences warm summers with average highs around 87°F. Winters are mild with lows averaging 49°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$871,000
Median Household Income
$110,575
With 17,545 housing units across 6.8 square miles, 92870 has a housing density of 2,580 units per square mile. The home price-to-income ratio is 7.9x.
Location & Geography
Latitude
33.8812°
Longitude
-117.8548°
Land Area
6.8 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 92870 (Placentia, CA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 92870's $110,575. A way to compare Placentia to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 92870 (Placentia, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Placentia, California?
Placentia, California uses zip code 92870.
What county is zip code 92870 in?
Zip code 92870 is located in Orange County, California.
What is the population of zip code 92870?
The population of zip code 92870 is 52,384 with a median age of 38.
Is 92870 in Placentia, California?
Yes, zip code 92870 is in Placentia, Orange County, California. The area code is 714.
Frequently Asked Questions
What city is zip code 92870 in?
Zip code 92870 is in Placentia, California. It is part of Orange County and uses the Pacific (PST/PDT) timezone.
What is zip code 92870?
Zip code 92870 is a U.S. postal code in Placentia, California (Orange County). It has a population of 52,384 and covers 6.8 square miles.
What is the population of zip code 92870?
The population of zip code 92870 (Placentia, CA) is 52,384 with a median age of 38. There are approximately 17,545 housing units in this area.
What is the median income in zip code 92870?
The median household income in zip code 92870 (Placentia, CA) is $110,575 per year. The cost of living index is 236 (100 = national average).
What is the average home price in zip code 92870?
The median home value in zip code 92870 (Placentia, CA) is $871,000. The cost of living index is 236 compared to the national average of 100.
What county is zip code 92870 in?
Zip code 92870 is located in Orange County, California. The primary city is Placentia.
What is the area code for zip code 92870?
Zip code 92870 in Placentia, CA uses area code 714. It is located in the Pacific (PST/PDT) timezone.
Is zip code 92870 a good place to live?
Zip code 92870 (Placentia, CA) has a cost of living index of 236 (100 = national average), a median household income of $110,575, and median home values of $871,000. The median age is 38. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 92870?
The cost of living index for zip code 92870 (Placentia, CA) is 236, where 100 represents the national average. This area is above the national average. Median home value: $871,000.
What schools serve zip code 92870?
Zip code 92870 in Placentia, California is served by the local school district of Orange County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.