PlainZIP

Mount Laguna, CA · standard

ZIP Code 91948

San Diego County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

78
2/sq mi
$55,066
Median income
19.4%
Bachelor's or higher

The verdict

Mount Laguna pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.

21th pct
household income, US ZIPs
2
people per sq mi
84%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91948 against every reporting US ZIP.

ZIP code 91948 is a sparsely populated ZIP (a standard USPS delivery area) in Mount Laguna, San Diego County, California, home to just 78 residents across 52.0 square miles, a density of 2 people per square mile, in the Los Angeles time zone.

ZIP 91948 reports a modest median household income of $55,066 (46% below the California average), while per-capita income is $37,509. Poverty here runs at 19.4%, with unemployment measured at 38.3%. The typical home here is valued at -; renters pay a median of - monthly, and 83.6% of units are owner-occupied.

Educational attainment sits below the national norm: 19.4% of adults hold a bachelor's degree or higher, the median age is 34, and the average commute is -. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing San Diego County, so you can benchmark 91948 against its immediate geography rather than a national average alone.

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 →

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 91948, Mount Laguna, 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

78

Population

52.0

Area (sq mi)

2

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 91948?

34.0

Median Age

50.5%

Male

49.5%

Female

0.0%

Foreign-Born

White 88.2%
African American 0.0%
Asian 11.8%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

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?

$55,066

Median Household Income

-46% vs state

$37,509

Per Capita Income

19.4%

Poverty Rate

38.3%

Unemployment Rate

How ZIP 91948 ranks nationally

Mount Laguna, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$55,066 21st percentile higher than 21% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $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 40.9%
Bachelor's Degree or Higher 19.4%

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

What does housing look like?

95

Total Housing Units

55

Occupied Units

40

Vacant Units

1.69

Avg Household Size

Occupancy Type

Owner 83.6%
Renter 16.4%

1984

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 91948, employing approximately 28 people with a combined annual payroll of $612,000.

8

Businesses

28

Employees

$612K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 3 37.5%

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 91948 vs 91962 →

ZIP 91948 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 91948 ranks #3 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 91948 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 91948 ranks #3 of 3 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
91962 Pine Valley, CA 1,646 6.5 mi
91931 Guatay, CA 592 6.3 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 Mount Laguna, CA California

Frequently Asked Questions

What county is ZIP code 91948 in? ▼
ZIP code 91948 (Mount Laguna) 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 91948? ▼
ZIP code 91948 in Mount Laguna, CA has a population of 78 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91948? ▼
The median household income in ZIP 91948 is $55,066, which is 28% below the national average of $76,288.
What is the demographic makeup of ZIP 91948? ▼
The largest racial group in ZIP 91948 is White at 88.2%.
How many businesses are in ZIP code 91948? ▼
ZIP code 91948 has 8 business establishments employing approximately 28 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 91948? ▼
In ZIP code 91948, 40.9% of residents aged 25+ have a high school diploma or higher, and 19.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 91948? ▼
In ZIP code 91948, approximately 83.6% of occupied housing units are owner-occupied and 16.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91948? ▼
The poverty rate in ZIP code 91948 is 19.4% 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.