Placentia, CA · standard
ZIP Code 92870
Orange County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 52,033
- 2,964/sq mi
- $115,929
- Median income
- $921,000
- Median home value
- 44.2%
- Bachelor's or higher
The verdict
Placentia pairs an upper-quartile household income with top-decile home values, in a suburban-density, homeowner-dominated and unusually populous area.
- Top 11%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 2,964
- people per sq mi
- 64%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 92870 against every reporting US ZIP.
ZIP code 92870 is classified by USPS as a standard delivery area and covers roughly 17.6 square miles in Placentia, Orange County, California. The area is home to 52,033 residents, producing a population density of 2,964 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 92870 against California and the nation.
On the economic side, the median household income for ZIP 92870 sits at $115,929 (14% above the California average), while per-capita income is $48,006. The poverty rate stands at 7.9% and the unemployment rate at 5.5%. On housing, the median home value is $921,000 (19% above the state average) with median rent at $2,388 per month, and 63.6% of occupied units are owner-occupied, a direct signal of whether 92870 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 44.2% of adults hold a bachelor's degree or higher, the median age is 39.1, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Orange County, so you can benchmark 92870 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 92870
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 92870.
- Health care and social assistance
Health care and social assistance
187 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
143 establishments
- Construction
Construction
126 establishments
- Other services (except public administration)
Other services (except public administration)
115 establishments
- Accommodation and food services
Accommodation and food services
111 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 92870, Placentia, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
52,033
Population
17.6
Area (sq mi)
2,964
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 92870?
39.1
Median Age
48.4%
Male
51.6%
Female
24.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$115,929
Median Household Income
+14% vs state
$48,006
Per Capita Income
7.9%
Poverty Rate
5.5%
Unemployment Rate
26.6 min
Mean Commute Time
How ZIP 92870 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$115,929 Top 11% higher than 89% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
17,890
Total Housing Units
17,182
Occupied Units
708
Vacant Units
3.04
Avg Household Size
Occupancy Type
$921,000
Median Home Value
+19% vs state
$2,388
Median Rent
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+9.0%
YoY Change (2024)
369
HPI Index (2000 = 100)
+269%
Total Change Since 2000
Home values in ZIP 92870 have increased 9.0% over the past year (2024). Since 2000, this ZIP has seen +269% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.3% | 247 |
| 2021 | +11.3% | 275 |
| 2022 | +17.6% | 324 |
| 2023 | +4.5% | 338 |
| 2024 | +9.0% | 369 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 1,295 business establishments in ZIP 92870, employing approximately 12,959 people with a combined annual payroll of $758,308,000.
1,295
Businesses
12,959
Employees
$758.3M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 187 | 14.4% |
| Professional, scientific, and technical services | 143 | 11.0% |
| Construction | 126 | 9.7% |
| Other services (except public administration) | 115 | 8.9% |
| Accommodation and food services | 111 | 8.6% |
| Wholesale trade | 103 | 8.0% |
| Retail trade | 100 | 7.7% |
| Manufacturing | 98 | 7.6% |
| Real estate and rental and leasing | 77 | 6.0% |
| Finance and insurance | 76 | 5.9% |
| Administrative and support and waste management and remediation services | 76 | 5.9% |
| Transportation and warehousing | 34 | 2.6% |
| Educational services | 19 | 1.5% |
| Information | 14 | 1.1% |
| Arts, entertainment, and recreation | 10 | 0.8% |
| Management of companies and enterprises | 3 | 0.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 92870 vs 92831 →
ZIP 92870 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 92870
Placentia (92870)
52,033 residents
- 92886
Yorba Linda (92886)
46,564 residents
- 92867
Orange (92867)
44,515 residents
- 92806
Anaheim (92806)
37,173 residents
- 92807
Anaheim (92807)
36,171 residents
- 92821
Brea (92821)
35,533 residents
- 92831
Fullerton (92831)
34,204 residents
- 92832
Fullerton (92832)
24,752 residents
- 92835
Fullerton (92835)
24,010 residents
What this shows Among its immediate neighbors, ZIP 92870 ranks the most populous — useful context the national average alone can't give.
ZIP 92870 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 92823
Brea (92823)
$169,900 median income
- 92886
Yorba Linda (92886)
$153,397 median income
- 92835
Fullerton (92835)
$143,817 median income
- 92807
Anaheim (92807)
$138,741 median income
- 92867
Orange (92867)
$130,741 median income
- 92865
Orange (92865)
$127,431 median income
- 92821
Brea (92821)
$123,629 median income
- 92870
Placentia (92870)
$115,929 median income
- 92806
Anaheim (92806)
$97,265 median income
What this shows By household income, ZIP 92870 ranks #8 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 92831 | Fullerton, CA | 34,204 | 2.4 mi |
| 92806 | Anaheim, CA | 37,173 | 3.0 mi |
| 92865 | Orange, CA | 19,704 | 3.6 mi |
| 92886 | Yorba Linda, CA | 46,564 | 3.5 mi |
| 92821 | Brea, CA | 35,533 | 3.7 mi |
| 92835 | Fullerton, CA | 24,010 | 3.9 mi |
| 92832 | Fullerton, CA | 24,752 | 4.3 mi |
| 92823 | Brea, CA | 3,613 | 4.4 mi |
| 92807 | Anaheim, CA | 36,171 | 4.3 mi |
| 92867 | Orange, CA | 44,515 | 4.9 mi |
More ZIP Codes in Orange County
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Frequently Asked Questions
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How many businesses are in ZIP code 92870? ▼
What are the main industries in ZIP code 92870? ▼
How have home values changed in ZIP code 92870? ▼
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What percentage of residents own vs. rent in ZIP 92870? ▼
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ZIP Code Research Guides
Official Data Resources for Placentia, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.