The ZIP Code, Map and Demographics of Lakeside, CA

92040 is the only ZIP Code for Lakeside, CA

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Data Last Updated: March 1, 2026
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ZIP Code:92040 (Standard)
County:San Diego County, CA
Area Codes:619,858
Time Zone:Pacific (GMT -08:00)
Local Time:12:00:00 AM
Population:43,640 (ZIP Codes) [More Demographics]
Statistical Area:San Diego-Chula Vista-Carlsbad, CA [Learn More]
Coordinates:32.9113, -116.8792
Land Area:67.20 sq miles (ZIP Code)
Quick Link:
https://www.zip-codes.com/city/ca-lakeside.asp

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Lakeside, CA has 1 ZIP Code

ZIP CodeTypePopulationPop% of Population% of PopAlias Names
92040Standard43,640100.00%
43,640 people in Lakeside, CA — get this data and hundreds of fields for every U.S. ZIP code View Database Try API
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Population & Demographics

Data labeled as "All ZIP Codes" is a total (or average) for every ZIP Code with Lakeside, CA assigned by the USPS. The U.S. Postal Service provides a name (and aliases) for every ZIP Code which can include cities, towns, villages, and other incorporated names.

There is currently no matching U.S. Census Place for this geographic area. Many rural areas may have such low population density that they will not be part of any U.S. Census Place.

Total Population:43,640
Total Households:15,404
Total Housing Units:15,936
Average Household Size:2.82
Average Family Size:3.06

All ZIP Codes assigned this City name by the USPS.

Population Over Time (with 2010 & 2020 Census Benchmarks)

Line chart of All ZIPs in Lakeside, CA population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--41,02442,23241,21442,32343,26943,19144,24346,26146,30645,39245,37145,90645,978
Decennial Census41,281------------------43,640------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)

Median Age: 39.3

Male Median Age: 38.6

Female Median Age: 40.1

Line Chart showing the population by Age Group and Gender of all ZIPs in Lakeside, California. One line shows the Total population in that age group, another line shows the Male population for that age group, and the last line shows the Female population for the given age group. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1,2741,5011,5531,3481,2391,3251,4401,6161,3131,2341,3581,5681,5321,268928530309311
Female1,2171,3631,4341,2801,2571,3071,5781,5261,2711,2201,3571,6071,5471,3811,117638464429
Total2,4912,8642,9872,6282,4962,6323,0183,1422,5842,4542,7153,1753,0792,6492,0451,168773740
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
Pie Chart & Table (ZIPs)Comparison Chart

Population by Race

Pie Chart showing Population by Race for all ZIPs in Lakeside, California. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
White:30,37564.35%
Black:1,1132.36%
Hispanic:*9,86020.89%
Asian:1,0742.28%
American Indian:1,0142.15%
Hawaiian:1420.30%
Other:3,6247.68%
Total:47,202100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.
Pie Chart & Table (ZIPs)Comparison Chart

Gender Breakdown

Pie chart showing Male vs Demale share of the population. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
GenderCountPercentageMedian Age
Males:21,64749.60%38.6 years
Females:21,99350.40%40.1 years
Total:43,640100%39.3 years

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
Pie Chart & Table (ZIPs)

Nativity & Citizenship

Native, born in the United States:41,86491.05%
Native, born in PR, Island Areas, or abroad:6311.37%
Foreign born, naturalized U.S. citizen:2,4205.26%
Foreign born, not a U.S. citizen:1,0637.58%
Total Population:45,978100%
Total Native Population:42,49592.42%
Total Foreign-born Population:3,4837.58%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Line Chart showing Median Income Estimates from 2011 until 2024 of Median Household Income, Median Family Income, Median Nonfamily Income, Median Male Income, and Median Female Income for all ZIPs in Lakeside, California. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Income Type2011210220132014201520162017201820192020202120222023
Median Household Income$65,128$64,561$64,044$64,787$65,360$66,960$70,513$74,918$79,803$83,692$88,820$95,952$103,585
Median Family Income$75,844$73,605$73,642$75,097$76,054$78,166$82,100$83,731$90,605$97,964$106,231$113,669$119,380
Median NonFamily Income$33,828$32,321$32,377$34,945$38,537$40,207$41,719$44,183$46,280$49,900$49,223$53,453$56,329
Median Male Income$53,249$52,545$52,276$53,519$51,901$50,111$51,664$52,703$54,337$61,015$66,489$80,196$84,028
Median Female Income$41,539$41,798$43,168$43,291$41,927$43,788$45,432$47,163$48,664$52,500$55,566$59,968$64,987
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income

Bar Chart showing Average Household Income for all ZIPs in Lakeside, CA, the U.S. Census Place, San Diego County, the state of California, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS
Pie Chart & Table (ZIPs)Comparison Chart

Employment Status

Employment status for all ZIPs in Lakeside, CA: employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Employed:20,93957.73%
Unemployed:1,4504.00%
Not In Labor Force:13,88038.27%
Total:36,269100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS
Pie Chart & Table (ZIPs)

Employment by Occupation (Civilian Employed Population, 16 and Over)

Management, business, science, and arts:8,43140.26%
Service:3,80718.18%
Sales and Office:3,97118.96%
Natural resources, construction, and maintenance:2,39811.45%
Production, transportation, and material moving:2,33211.14%
Total Civilian Employed Population:20,939100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability

Median Home Value (Comparison)

Bar Chart showing median House Value for all ZIPs in Lakeside, California, the U.S. Census Place, San Diego County, California, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Median Home Value Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
Median Home Value$366,400$342,000$340,900$340,100$356,800$376,200$411,300$432,500$460,900$503,300$540,200$613,500$648,800
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS
Pie Chart & Table (ZIPs)

Gross Rent Paid

Less than $500:761.46%
$500 to $999:991.90%
$1,000 to $1,499:75114.43%
$1,500 to $1,999:1,94837.44%
$2,000 to $2,499:1,42227.33%
$2,500 to $2,999:2514.82%
$3,000 or more:4869.34%
No Rent:1703.27%
Total:5,203100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
Median Rent$1,105$1,143$1,154$1,167$1,190$1,223$1,248$1,347$1,434$1,487$1,602$1,779$1,908
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS
Pie Chart & Table (ZIPs)

Housing Occupancy

Owner Occupied (with mortgage): 7,251 46.97%
Owner Occupied (free and clear, no mortgage): 2,984 19.33%
Renter Occupied: 5,203 33.70%
Total Occupied Housing Units: 15,438 100%
Occupied Housing Units: 15,438 95.61%
Vacant Housing Units (not graphed): 709 4.39%
Total Housing Units: 16,147 100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community

Pie Chart & Table (ZIPs)

Educational Attainment of Adults (25 and Older)

Less than 9th grade:7252.35%
9th to 12th grade, no diploma:1,5695.09%
High school graduate (includes equivalency):8,69128.22%
Some college, no degree:8,61627.97%
Associate's degree:3,40211.05%
Bachelor's degree:5,39017.50%
Graduate or professional degree:2,4087.82%
Total:30,801100%
High school graduate or higher:28,50792.55%
Bachelor's degree or higher:7,79825.32%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Pie Chart & Table (ZIPs)Comparison Chart

Health Insurance Coverage by Type (Private, Public, Uninsured)

Private Insurance:33,15863.79%
Public Insurance:16,73932.21%
No Insurance:2,0794.00%
Total:51,976100%
Has Health Insurance:49,89796.00%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)

Group2011210220132014201520162017201820192020202120222023
% of People in Poverty5.3%5.7%6.4%7.4%6.9%7.3%6.7%6.3%5.1%4.6%4.5%4.2%5.6%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

Pie Chart & Table (ZIPs)

School Enrollment by Education Level (Ages 3 and Older)

Nursery School, Preschool:5494.93%
Kindergarten:1,0439.36%
Elementary school (grades 1-8):4,17637.47%
High school (grades 9-12):2,81425.25%
College or graduate school:2,56222.99%
Total:11,144100%
Early Childhood:1,59214.29%
K-12 (Primary & Secondary School):8,03372.08%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics

Lakeside supports both business and residential activity. According to the Business Census (2024), there are 821 business establishments, employing about 9,851 people with an annual payroll of $608,697,000. USPS data shows 15,786 residential mailboxes and 546 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:15,786Source: USPS
# Business Mailboxes:546Source: USPS
Total Delivery Receptacles:16,917Source: USPS
Single Family Delivery Units:7,868Source: USPS
Multi Family Delivery Units:1,697Source: USPS
# of Businesses:821Source: CBP
1st Quarter Payroll:$140,436,000Source: CBP
Annual Payroll:$608,697,000Source: CBP
# of Employees:9,851Source: CBP

All ZIP Codes assigned this City name by the USPS.

Geography, Land Area, and Statistical Classifications

Lakeside, CA is located in San Diego County, within the San Diego-Chula Vista-Carlsbad, CA Metropolitan Statistical Area (CBSA 41740). It spans 7 of California's Congressional Districts (1st,2nd,3rd,4th,5th,9th, and 48th). This Metro area has a population of 3,282,782 people, about 1.3% of whom live in Lakeside. ZIP Codes here cover 67.196 sq mi of land and a water area of 1.514 sq mi.

CBSA Name:San Diego-Chula Vista-Carlsbad, CASource: Census
CBSA Number:41740Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:3,282,782Source: Census
MSA:San Diego, CA MSASource: Census
PMSA:--Source: Census
Land Area:67.196 sq miSource: Census
Water Area:1.514 sq miSource: Census
Congressional District(s):01,02,03,04,05,09,48Source: USPS
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Sum of all ZIP Codes assigned this City name by the USPS.

Adjacent & Nearby Cities from Lakeside, CA

  1. El Cajon, CA ~4.7 miles
  2. Santee, CA ~8.3 miles
  3. Poway, CA ~9.8 miles
  4. Ramona, CA ~10.1 miles
  5. San Diego, CA ~11.5 miles
  6. La Mesa, CA ~12.0 miles
  7. Alpine, CA ~12.9 miles
  8. Descanso, CA ~13.6 miles
  9. Escondido, CA ~14.4 miles
  10. Spring Valley, CA ~14.5 miles
  11. Lemon Grove, CA ~15.3 miles
  12. Jamul, CA ~16.8 miles
  13. Bonita, CA ~17.9 miles
  14. Chula Vista, CA ~18.2 miles
  15. Santa Ysabel, CA ~19.9 miles
  16. Del Mar, CA ~20.1 miles
  17. Rancho Santa Fe, CA ~20.5 miles
  18. National City, CA ~20.8 miles
  19. La Jolla, CA ~21.6 miles
  20. Dulzura, CA ~22.2 miles

Sources & References

Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov