ZIP code 92040
Where is ZIP code 92040?
Lakeside, California
San Diego County · Standard ZIP code
ZIP code 92040 belongs to Lakeside, California in San Diego County. 92040 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 442, 619, 760 and 858. About 46,216 people live in the 92040 area, where the median household income is $107,937. The closest ZIP codes are 92021 (El Cajon, 2.7 mi south), 92072 (Santee, 3.4 mi west) and 92071 (Santee, 3.9 mi west).
| ZIP code | 92040 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Lakeside |
| State | California (CA) |
| County | San Diego County |
| Time zone | Pacific Time · now |
| Area codes | 442, 619, 760, 858 |
| Coordinates | 32.8562, -116.9201 map |
| 3-digit prefix | 920 |
Population and income in 92040
| Population | 46,216 · higher than 84% of California ZIP codes |
|---|---|
| People per square mile | 688 · lower than 52% of California ZIP codes |
| Median age | 39 years · lower than 56% of California ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $107,937 · higher than 64% of California ZIP codes |
| Income per person | $43,896 |
| Below the poverty line | 8.5% |
| Bachelor’s degree or higher | 27% of adults 25+ |
| Median home value | $723,200 · higher than 55% of California ZIP codes |
| Median rent | $1,960 a month |
| Housing units | 16,106 |
| Households | 15,426 (2.97 people on average) |
| Owners / renters | 68% / 32% |
| Land area | 67.2 sq mi (plus 1.51 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 92040. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 92040
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 92021 | El Cajon, CA | 2.7 mi S | Standard |
| 92072 | Santee, CA | 3.4 mi W | PO Box only |
| 92071 | Santee, CA | 3.9 mi W | Standard |
| 92022 | El Cajon, CA | 4.9 mi SW | PO Box only |
| 92020 | El Cajon, CA | 5.1 mi SW | Standard |
| 92019 | El Cajon, CA | 5.4 mi S | Standard |
| 92119 | San Diego, CA | 7.1 mi SW | Standard |
| 91942 | La Mesa, CA | 7.6 mi SW | Standard |
| 91941 | La Mesa, CA | 8.5 mi SW | Standard |
| 91943 | La Mesa, CA | 8.5 mi SW | PO Box only |
| 91944 | La Mesa, CA | 8.5 mi SW | PO Box only |
| 91978 | Spring Valley, CA | 8.8 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 92040 or measure the distance to another ZIP code.
How to address mail to 92040
123 MAIN ST
LAKESIDE CA 92040
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (92040-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 92040?
- 92040 is a Lakeside, California ZIP code.
- What county is 92040 in?
- ZIP code 92040 is in San Diego County, California.
- What time zone is ZIP code 92040 in?
- 92040 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 92040?
- Phone numbers in ZIP code 92040 use area codes 442, 619, 760 and 858.
- What is the population of ZIP code 92040?
- About 46,216 people live in ZIP code 92040, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 92040?
- The median household income in 92040 is $107,937 a year, higher than 64% of California ZIP codes.
- What ZIP codes are near 92040?
- The nearest ZIP codes to 92040 are 92021 (El Cajon, 2.7 miles), 92072 (Santee, 3.4 miles), 92071 (Santee, 3.9 miles) and 92022 (El Cajon, 4.9 miles).