The San Diego metro region is where ZIP Code 91942 is situated in the state of California. San Diego County is the main location of ZIP code 91942. LA MESA, California is the area code for 91942 according to the US Postal Service. Parts of the ZIP code 91942 are located in or close to the cities of La Mesa, San Diego, and El Cajon, California. The ZIP code for 91942 has a 619 area code. In comparison to other zipcodes in California, the socioeconomic class of 91942 can be categorised as Middle Class.

The current unemployment rate in 91942 is 3.0%, which is lower than the county’s current rate of 5.0%, the state’s current rate of 3.8%, and the current rate of 3.7% for the entire country.

The 2010 US Census shows that over the previous ten years, the population of 91942 rose from 24000 to 38069. White people make up the majority of both the population in 91942 and the students enrolled in its public schools. In the 91942 public schools, 38% of students participate in or are eligible for free or reduced meal programmes.