PlainZIP

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
$107,937
Median income
$723,200
Median home value
27.0%
Bachelor's or higher

The verdict

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.

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 California average), while per-capita income is $43,896. Local economic indicators show a 8.5% poverty rate alongside 6.3% unemployment. Median home value sits at $723,200 (6% below the state average), median rent at $1,960 a month, and owner-occupancy at 67.7%.

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. To put 92040 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in San Diego County, for a geography-aware comparison.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 92040?

39.0

Median Age

49.0%

Male

51.0%

Female

8.8%

Foreign-Born

White 74.6%
African American 1.7%
Asian 2.7%
American Indian or Alaska Native 1.5%
Native Hawaiian or Pacific Islander 0.4%
Two or More Ethnicities 12.4%
Hispanic or Latino 22.8%

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

$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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 55.0%
Bachelor's Degree or Higher 27.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

16,106

Total Housing Units

15,426

Occupied Units

680

Vacant Units

2.97

Avg Household Size

Occupancy Type

Owner 67.7%
Renter 32.3%

$723,200

Median Home Value

-6% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 92040 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 92040 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

More ZIP Codes in San Diego County

91911 standard
Chula Vista, CA
Pop: 82,999
92154 standard
San Diego, CA
Pop: 79,708
91910 standard
Chula Vista, CA
Pop: 75,802
92126 standard
San Diego, CA
Pop: 73,343
92105 standard
San Diego, CA
Pop: 69,813
92114 standard
San Diego, CA
Pop: 65,433

Related Areas

San Diego County Lakeside, CA California

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.

Read our methodology to see how this data is sourced, computed, and verified.