ZIP code 90603
Where is ZIP code 90603?
Whittier, California
Los Angeles County · Standard ZIP code
ZIP code 90603 belongs to Whittier, California in Los Angeles County. 90603 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 code 562. About 21,118 people live in the 90603 area, where the median household income is $136,705. The closest ZIP codes are 90604 (Whittier, 1.4 mi southwest), 90637 (La Mirada, 2.1 mi southwest) and 90605 (Whittier, 2.5 mi west).
| ZIP code | 90603 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Whittier |
| State | California (CA) |
| County | Los Angeles County |
| Time zone | Pacific Time · now |
| Area code | 562 |
| Coordinates | 33.9432, -117.9927 map |
| 3-digit prefix | 906 |
Population and income in 90603
| Population | 21,118 · higher than 55% of California ZIP codes |
|---|---|
| People per square mile | 6,677 · higher than 81% of California ZIP codes |
| Median age | 40.8 years · higher than 53% of California ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $136,705 · higher than 82% of California ZIP codes |
| Income per person | $50,125 |
| Below the poverty line | 3.5% |
| Bachelor’s degree or higher | 34% of adults 25+ |
| Median home value | $859,000 · higher than 67% of California ZIP codes |
| Median rent | $2,344 a month |
| Housing units | 6,746 |
| Households | 6,504 (3.21 people on average) |
| Owners / renters | 79% / 22% |
| Land area | 3.16 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 90603. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 90603
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 90604 | Whittier, CA | 1.4 mi SW | Standard |
| 90637 | La Mirada, CA | 2.1 mi SW | PO Box only |
| 90605 | Whittier, CA | 2.5 mi W | Standard |
| 90631 | La Habra, CA | 2.6 mi E | Standard |
| 90638 | La Mirada, CA | 2.7 mi S | Standard |
| 90633 | La Habra, CA | 2.8 mi E | PO Box only |
| 90632 | La Habra, CA | 3 mi SE | PO Box only |
| 90602 | Whittier, CA | 3 mi NW | Standard |
| 90639 | La Mirada, CA | 3 mi SW | Unique |
| 90607 | Whittier, CA | 3.4 mi NW | PO Box only |
| 90608 | Whittier, CA | 3.4 mi NW | PO Box only |
| 90609 | Whittier, CA | 3.4 mi NW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 90603 or measure the distance to another ZIP code.
How to address mail to 90603
123 MAIN ST
WHITTIER CA 90603
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (90603-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Whittier, CA
All Whittier ZIP codes with population and income →
Questions
- What city is ZIP code 90603?
- 90603 is a Whittier, California ZIP code.
- What county is 90603 in?
- ZIP code 90603 is in Los Angeles County, California.
- What time zone is ZIP code 90603 in?
- 90603 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 90603?
- Phone numbers in ZIP code 90603 use area code 562.
- What is the population of ZIP code 90603?
- About 21,118 people live in ZIP code 90603, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 90603?
- The median household income in 90603 is $136,705 a year, higher than 82% of California ZIP codes.
- What ZIP codes are near 90603?
- The nearest ZIP codes to 90603 are 90604 (Whittier, 1.4 miles), 90637 (La Mirada, 2.1 miles), 90605 (Whittier, 2.5 miles) and 90631 (La Habra, 2.6 miles).