ZIP Code 91931
ZIP Code Tabulation Area in San Diego County, California.
- Population
- 735
- Median household income
- $49,808
+19.9%’19–’23
-21.5%’20–’23
Covering part of San Diego County, California, ZIP Code 91931 has about 735 residents. Its median household income of $49,808 runs below the San Diego County figure of $102,285.
From 2019 to 2023, ZIP Code 91931's population grew 19.9% from 613 to 735.
7.8% of residents live below the poverty line. Households average 2.63 people.
Demographics
ACS 2019–2023- Population
- 735
- Median age
- 40.0 yrs
- Median household income
- $49,808
- Median home value
- —
- Median gross rent
- —
- Housing units
- 333
- Homeownership rate
- 78.2%
- Bachelor's degree or higher
- 19.9%
- Unemployment rate
- 7.6%
Trends
ACS 5-year · 2019–2023613735
$63,455$49,808
| Year | Population | Median household income |
|---|---|---|
| 2019 | 613 | — |
| 2020 | 530 | $63,455 |
| 2021 | 765 | $65,316 |
| 2022 | 749 | $56,518 |
| 2023 | 735 | $49,808 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 58.3%
5 to 1717.0%
18 to 240.0%
25 to 3414.0%
35 to 4421.9%
45 to 540.0%
55 to 646.9%
65 to 7419.6%
75 and over12.2%
| Count | Share | |
|---|---|---|
| Under 5 | 61 | 8.3% |
| 5 to 17 | 125 | 17.0% |
| 18 to 24 | 0 | 0.0% |
| 25 to 34 | 103 | 14.0% |
| 35 to 44 | 161 | 21.9% |
| 45 to 54 | 0 | 0.0% |
| 55 to 64 | 51 | 6.9% |
| 65 to 74 | 144 | 19.6% |
| 75 and over | 90 | 12.2% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 514 | 69.9% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 0 | 0.0% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 15 | 2.0% |
| Hispanic or Latino (any race) | 206 | 28.0% |
Educational attainment (age 25+)
No high school diploma20.6%
High school graduate18.8%
Some college or associate's40.8%
Bachelor's degree19.9%
Graduate or professional degree0.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 113 | 20.6% |
| High school graduate | 103 | 18.8% |
| Some college or associate's | 224 | 40.8% |
| Bachelor's degree | 109 | 19.9% |
| Graduate or professional degree | 0 | 0.0% |
Commute to work
- Mean travel time to work
- 27 min
Drove alone73.5%
Carpooled15.5%
Public transit0.0%
Walked0.0%
Bicycle0.0%
Worked from home0.0%
Other means11.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 147 | 73.5% |
| Carpooled | 31 | 15.5% |
| Public transit | 0 | 0.0% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 0 | 0.0% |
| Other means | 22 | 11.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 0 | 0.0% |
| 15 to 29 min | 120 | 60.0% |
| 30 to 44 min | 80 | 40.0% |
| 45 to 59 min | 0 | 0.0% |
| 60+ min | 0 | 0.0% |
Households
- Average household size
- 2.63
- Poverty rate
- 7.8% (57 of 735)
| Count | Share | |
|---|---|---|
| Family households | 140 | 50.0% |
| Nonfamily households | 140 | 50.0% |
Housing
- Median year structure built
- 1990
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 280 | 84.1% |
| Vacant | 53 | 15.9% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 219 | 78.2% |
| Renter-occupied | 61 | 21.8% |
1-unit, detached23.7%
1-unit, attached0.0%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other76.3%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 79 | 23.7% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 254 | 76.3% |
Geography
- ZCTA
- 91931
- Land area
- 8.2 sq mi
- Water area
- 0 sq mi
- Center point
- 32.8376, -116.5803
Counties this ZIP covers
1Compare with nearby ZIP codes
4National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)