Residential delivery area · California
ZIP Code 91941: La Mesa, CA
ZIP code 91941 uses the postal name La Mesa, California and lies entirely in San Diego County (Census 2020 ZIP-county file). About 33,000 people live there (Census Bureau, ACS 2020-2024), the less populous of La Mesa's 2 residential ZIP codes. Median household income is $115,381 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Casa de Oro-Mount Helix (46%), La Mesa (40%) and Rancho San Diego (11%), and 3% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- La Mesa · 2 residential ZIPs
- County
- San Diego County
- Census places
- Casa de Oro-Mount Helix (46%) census-designated place; La Mesa (40%); Rancho San Diego (11%) census-designated place
- Metro area
- San Diego-Chula Vista-Carlsbad, CA
- House districts
- CA-48 (57%), CA-51 (43%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 8.2 sq mi · 4,040 people per sq mi
Where is ZIP code 91941?
91941 centers on 32.759°, -116.997° and covers 8.2 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 91942, 91977, 91945, 92020, 92115, 91978, 92019.
The map draws ZIP code areas only. For the streets inside 91941, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 91941 compare with the rest of La Mesa?
| Measure | 91941 | In La Mesa | In San Diego County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 33,218 | 2nd of 2 | 52nd of 116 | 528th of 1,802 |
| Median household income | $115k | 1st of 2 | 32nd of 85 | 395th of 1,189 |
| Median home value | $929k | 1st of 2 | 31st of 89 | 402nd of 1,317 |
Its median household income is higher than in 89% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 91941?
The 2020 Census counted 33,895 people in 91941; the ACS, which samples households over 2020-2024, estimates 33,218. Between the 2010 and 2020 censuses its population grew 6.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 33,218
- 2020 Census count
- 33,895+6.7% since 2010 (31,779)
- Households
- 12,647
- Median age
- 41.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 91941?
Of the 33,218 people the ACS estimates in 91941, 21.2% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.9%), then Hispanic or Latino (26.2%).
- Under 1821.2%
- 18 to 6460.1%
- 65 and older18.8%
- White, not Hispanic55.9%
- Hispanic or Latino26.2%
- Other or two or more7.7%
- Black, not Hispanic6.0%
- Asian, not Hispanic4.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 91941 earn?
Median household income is $115,381 (ACS 2020-2024), the 32nd highest of the 85 ranked ZIP codes in San Diego County. It is not measurably different from 2015-2019 ($108,251 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $115,381
- Income per person
- $57,539
- Below the poverty line
- 7.2%
- Unemployed (of the labor force)
- 5.2%
- Adults 25+ with a bachelor's degree
- 47.2%
- Adjusted gross income per tax return, 2022
- $110,55716,160 returns; wages 62% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 91941?
FHFA's house price index for 91941, built from repeat sales and appraisals of the same homes, rose 96% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +3.3% in 2025.
- Median home value (owners' estimate)
- $928,700
- Median gross rent
- $2,147
- Homes owned by their occupants
- 67.5%
- Housing units
- 13,184
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 91941?
735 business establishments had a location in this ZIP code in 2023, 33 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services150
- Health care and social assistance97
- Construction87
- Real estate and rental and leasing77
- Other services (except public administration)71
- Retail trade58
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 91941?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91942 | La Mesa | 41,424 | $93k | 1.9 mi |
| 91977 | Spring Valley | 61,064 | $100k | 2.3 mi |
| 91945 | Lemon Grove | 27,745 | $88k | 2.8 mi |
| 92020 | El Cajon | 57,842 | $76k | 3.0 mi |
| 92115 | San Diego | 66,264 | $79k | 4.3 mi |
| 91978 | Spring Valley | 10,014 | $113k | 5.7 mi |
| 92019 | El Cajon | 45,351 | $102k | 7.4 mi |
| 92119 | San Diego | 24,456 | $113k | 4.5 mi (near) |
| 92182 | San Diego | 0 | – | 4.6 mi (near) |
| 92114 | San Diego | 65,745 | $98k | 4.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.