PlainZIP

Lemon Grove, CA · standard

ZIP Code 91945

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

25,460
2,505/sq mi
$88,016
Median income
$704,900
Median home value
20.3%
Bachelor's or higher

The verdict

Lemon Grove pairs an above-median household income with top-decile home values, in a suburban-density, mixed-tenure area.

Top 29%
household income, US ZIPs
Top 6%
home value, US ZIPs
2,505
people per sq mi
53%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91945 against every reporting US ZIP.

ZIP code 91945 is a densely settled ZIP (a standard USPS delivery area) in Lemon Grove, San Diego County, California, with 25,460 residents across 10.2 square miles, a density of 2,505 people per square mile, in the Los Angeles time zone.

ZIP 91945 lands in the middle-income range, with a median household income of $88,016 (13% below the California average), while per-capita income is $36,715. The poverty rate stands at 9.2% and the unemployment rate at 5.4%. On housing, the median home value is $704,900 (9% below the state average) with median rent at $1,896 per month, and 52.5% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 20.3% of adults hold a bachelor's degree or higher, the median age is 37.1, and the average commute is 29 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing San Diego County, so you can benchmark 91945 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 →

Top industries in ZIP 91945

Top 5 sectors by establishment count in Lemon Grove, CA

Which industries have the most business establishments in ZIP 91945.

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 91945, Lemon Grove, 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

25,460

Population

10.2

Area (sq mi)

2,505

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 91945?

37.1

Median Age

49.5%

Male

50.5%

Female

17.1%

Foreign-Born

White 32.7%
African American 12.0%
Asian 10.6%
American Indian or Alaska Native 2.1%
Native Hawaiian or Pacific Islander 0.5%
Two or More Ethnicities 24.4%
Hispanic or Latino 45.4%

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?

$88,016

Median Household Income

-13% vs state

$36,715

Per Capita Income

9.2%

Poverty Rate

5.4%

Unemployment Rate

29.1 min

Mean Commute Time

How ZIP 91945 ranks nationally

Lemon Grove, CA household income vs. every US ZIP code

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

$88,016 Top 29% higher than 71% 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%). This entry sits in this band. $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 49.5%
Bachelor's Degree or Higher 20.3%

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

What does housing look like?

9,416

Total Housing Units

9,076

Occupied Units

340

Vacant Units

3.00

Avg Household Size

Occupancy Type

Owner 52.5%
Renter 47.5%

$704,900

Median Home Value

-9% vs state

$1,896

Median Rent

1969

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

+8.9%

YoY Change (2024)

401

HPI Index (2000 = 100)

+301%

Total Change Since 2000

Home values in ZIP 91945 have increased 8.9% over the past year (2024). Since 2000, this ZIP has seen +301% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.7% 261
2021 +14.6% 299
2022 +15.3% 344
2023 +6.8% 368
2024 +8.9% 401

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 532 business establishments in ZIP 91945, employing approximately 6,571 people with a combined annual payroll of $293,218,000.

532

Businesses

6,571

Employees

$293.2M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 89 16.7%
Retail trade 81 15.2%
Other services (except public administration) 68 12.8%
Health care and social assistance 62 11.7%
Accommodation and food services 62 11.7%
Administrative and support and waste management and remediation services 40 7.5%
Professional, scientific, and technical services 37 7.0%
Real estate and rental and leasing 29 5.5%
Finance and insurance 17 3.2%
Manufacturing 11 2.1%
Wholesale trade 11 2.1%
Transportation and warehousing 11 2.1%
Arts, entertainment, and recreation 5 0.9%
Educational services 4 0.8%
Information 3 0.6%

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 91945 vs 91977 →

ZIP 91945 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 91945 ranks #9 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 91945 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 91945 ranks #9 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
91977 Spring Valley, CA 58,368 2.2 mi
92114 San Diego, CA 65,433 2.1 mi
91942 La Mesa, CA 38,069 3.1 mi
92105 San Diego, CA 69,813 3.4 mi
92115 San Diego, CA 58,560 2.9 mi
91941 La Mesa, CA 31,779 3.0 mi
92139 San Diego, CA 35,125 3.8 mi
92119 San Diego, CA 23,057 5.3 mi
91902 Bonita, CA 17,653 4.7 mi
92120 San Diego, CA 26,317 4.8 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 Lemon Grove, CA California

Frequently Asked Questions

What county is ZIP code 91945 in? ▼
ZIP code 91945 (Lemon Grove) 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 91945? ▼
ZIP code 91945 in Lemon Grove, CA has a population of 25,460 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91945? ▼
The median household income in ZIP 91945 is $88,016, which is 15% above the national average of $76,288.
What is the average home value in ZIP 91945? ▼
The median home value in ZIP 91945 is $704,900, which is 153% above the national average of $278,155.
What is the demographic makeup of ZIP 91945? ▼
The largest racial group in ZIP 91945 is White at 32.7%. Hispanic or Latino residents make up 45.4% of the population.
How many businesses are in ZIP code 91945? ▼
ZIP code 91945 has 532 business establishments employing approximately 6,571 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91945? ▼
The top industries by establishment count in ZIP 91945 are: Construction (89), Retail trade (81), Other services (except public administration) (68). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 91945? ▼
According to the FHFA House Price Index, home values in ZIP 91945 increased by 8.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 301%. 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 91945? ▼
In ZIP code 91945, 49.5% of residents aged 25+ have a high school diploma or higher, and 20.3% 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 91945? ▼
The mean commute time for workers in ZIP code 91945 is 29.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 91945? ▼
In ZIP code 91945, approximately 52.5% of occupied housing units are owner-occupied and 47.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91945? ▼
The poverty rate in ZIP code 91945 is 9.2% 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.