Lakeside, CA · standard
ZIP Code 92040
San Diego County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 41,281
- 248/sq mi High-density area
- $107,937
- Median income Above-median income area
- $723,200
- Median home value Above-median home value
- 27.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Lakeside pairs an upper-quartile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 14%
- household income, US ZIPs
- Top 6%
- home value, US ZIPs
- 248
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 92040 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 92040 (Lakeside, CA) rose +5.2% from 2023 to 2024. The all-transactions index moved from 328.9 in 2023 to 346.0 in 2024 (2000 = 100).
ZIP code 92040 is a densely settled ZIP (a standard USPS delivery area) in Lakeside, San Diego County, California, with 41,281 residents across 166.3 square miles, a density of 248 people per square mile, in the Los Angeles time zone.
ZIP 92040 lands in the middle-income range, with a median household income of $107,937 (6% above the average California ZIP), while per-capita income is $43,896. The poverty rate is 8.5%, with unemployment at 6.3%; those measures add context to the income figure. Median home value is $723,200 (6% below the average California ZIP) and median rent is $1,960; 67.7% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 27.0% of adults hold a bachelor's degree or higher, the median age is 39, and the average commute is 25 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in San Diego County, so 92040 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 92040
Top 5 sectors by establishment count in Lakeside, CA
Which industries have the most business establishments in ZIP 92040.
- Construction
Construction
266 establishments
- Other services (except public administration) 89
Other services (except public administration)
89 establishments
- Professional, scientific, and technical services 73
Professional, scientific, and technical services
73 establishments
- Retail trade 60
Retail trade
60 establishments
- Administrative and support and waste management and remediation services 55
Administrative and support and waste management and remediation services
55 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 92040, Lakeside, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
41,281
Population
166.3
Area (sq mi)
248
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 92040?
39.0
Median Age
49.0%
Male
51.0%
Female
8.8%
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?
$107,937
Median Household Income
+6% vs state ZIP avg
$43,896
Per Capita Income
8.5%
Poverty Rate
6.3%
Unemployment Rate
25.0 min
Mean Commute Time
How ZIP 92040 ranks nationally
Lakeside, CA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$107,937 Top 14% higher than 86% 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?
Housing stock: occupied vs vacant
16,106housing units
16,106
Total Housing Units
15,426
Occupied Units
680
Vacant Units
2.97
Avg Household Size
Occupancy Type
$723,200
Median Home Value
-6% vs state ZIP avg
$1,960
Median Rent
1978
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
+5.2%
YoY Change (2024)
346
HPI Index (2000 = 100)
+246%
Total Change Since 2000
Home values in ZIP 92040 have increased 5.2% over the past year (2024). Since 2000, this ZIP has seen +246% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.9% | 232 |
| 2021 | +15.5% | 268 |
| 2022 | +13.5% | 305 |
| 2023 | +8.0% | 329 |
| 2024 | +5.2% | 346 |
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 821 business establishments in ZIP 92040, employing approximately 9,851 people with a combined annual payroll of $608,697,000.
821
Businesses
9,851
Employees
$608.7M
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 266 | 32.4% |
| Other services (except public administration) | 89 | 10.8% |
| Professional, scientific, and technical services | 73 | 8.9% |
| Retail trade | 60 | 7.3% |
| Administrative and support and waste management and remediation services | 55 | 6.7% |
| Health care and social assistance | 52 | 6.3% |
| Real estate and rental and leasing | 51 | 6.2% |
| Accommodation and food services | 40 | 4.9% |
| Transportation and warehousing | 35 | 4.3% |
| Manufacturing | 25 | 3.0% |
| Wholesale trade | 25 | 3.0% |
| Arts, entertainment, and recreation | 14 | 1.7% |
| Finance and insurance | 13 | 1.6% |
| Information | 7 | 0.8% |
| Educational services | 7 | 0.8% |
| Agriculture, forestry, fishing and hunting | 5 | 0.6% |
| Mining, quarrying, and oil and gas extraction | 4 | 0.5% |
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 92040 vs 92021 →
ZIP 92040 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 92021
El Cajon (92021)
65,068 residents
- 92020
El Cajon (92020)
57,767 residents
- 92071
Santee (92071)
53,422 residents
- 92064
Poway (92064)
47,904 residents
- 92019
El Cajon (92019)
42,598 residents
- 92040
Lakeside (92040)
41,281 residents
- 91942
La Mesa (91942)
38,069 residents
- 92065
Ramona (92065)
35,414 residents
- 91941
La Mesa (91941)
31,779 residents
What this shows Among its immediate neighbors, ZIP 92040 ranks #6 by population - useful context the national average alone can't give.
ZIP 92040 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 92064
Poway (92064)
$148,673 median income
- 92065
Ramona (92065)
$125,285 median income
- 91941
La Mesa (91941)
$115,381 median income
- 92071
Santee (92071)
$113,618 median income
- 92119
San Diego (92119)
$113,435 median income
- 92040
Lakeside (92040)
$107,937 median income
- 92019
El Cajon (92019)
$101,973 median income
- 91942
La Mesa (91942)
$92,896 median income
- 92020
El Cajon (92020)
$76,032 median income
What this shows By household income, ZIP 92040 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 92021 | El Cajon, CA | 65,068 | 5.0 mi |
| 92019 | El Cajon, CA | 42,598 | 8.9 mi |
| 92145 | San Diego, CA | 1,449 | 7.3 mi |
| 92071 | Santee, CA | 53,422 | 7.3 mi |
| 92065 | Ramona, CA | 35,414 | 10.2 mi |
| 92020 | El Cajon, CA | 57,767 | 9.2 mi |
| 92064 | Poway, CA | 47,904 | 9.4 mi |
| 92119 | San Diego, CA | 23,057 | 10.9 mi |
| 91941 | La Mesa, CA | 31,779 | 12.0 mi |
| 91942 | La Mesa, CA | 38,069 | 12.0 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 92040, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (41,281 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in San Diego County
Related Areas
Frequently Asked Questions
What county is ZIP code 92040 in?
ZIP code 92040 (Lakeside) is located in San Diego County, California. San Diego County contains multiple ZIP codes, see the full list at /counties/san-diego-ca.
What is the population of ZIP code 92040?
ZIP code 92040 in Lakeside, CA has a population of 41,281 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 92040?
The median household income in ZIP 92040 is $107,937, which is 41% above the national average of $76,288.
What is the average home value in ZIP 92040?
The median home value in ZIP 92040 is $723,200, which is 160% above the national average of $278,155.
What is the demographic makeup of ZIP 92040?
The largest racial group in ZIP 92040 is White at 74.6%. Hispanic or Latino residents make up 22.8% of the population.
How many businesses are in ZIP code 92040?
ZIP code 92040 has 821 business establishments employing approximately 9,851 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 92040?
The top industries by establishment count in ZIP 92040 are: Construction (266), Other services (except public administration) (89), Professional, scientific, and technical services (73). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 92040?
According to the FHFA House Price Index, home values in ZIP 92040 increased by 5.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 246%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 92040?
In ZIP code 92040, 55.0% of residents aged 25+ have a high school diploma or higher, and 27.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 92040?
The mean commute time for workers in ZIP code 92040 is 25.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 92040?
In ZIP code 92040, approximately 67.7% of occupied housing units are owner-occupied and 32.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 92040?
The poverty rate in ZIP code 92040 is 8.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 92040's numbers, next.
- See how ZIP 92040 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lakeside, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.