ZIP code 90603: Whittier, CA
90603 is a ZIP code in Whittier, California, mainly in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metro area. About 21,118 people live here.
- Population
- 21,118
- Median household income
- $136,705
- Typical home value
- $879,600+1.2% in 12 months
- Median rent
- $2,344gross, per month
- Median age
- 40.8
- Homeowners
- 78.5%of occupied homes
Shaded: ZIP code 90603's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 90603 details
| City | Whittier |
|---|---|
| State | California |
| County | Los Angeles County |
| Metro area | Los Angeles-Long Beach-Anaheim, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 3.2 sq mi |
| Population density | 6,683 people per sq mi |
| Bachelor's degree or higher | 34.2% of adults 25+ |
| Average commute | 32 minutes |
| Center coordinates | 33.94487, -117.99234 |
Median rent in 90603 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $1,744/mo |
| 2 bedrooms | $2,145/mo |
| 3 bedrooms | $2,779/mo |
| 4 bedrooms | $3,068/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 90603
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 90604 | Whittier, CA | 1.7 mi | 39,276 |
| 90605 | Whittier, CA | 1.7 mi | 39,387 |
| 90637 | La Mirada, CA | 2.2 mi | — |
| 90631 | La Habra, CA | 2.3 mi | 68,309 |
| 90602 | Whittier, CA | 2.7 mi | 25,905 |
| 90633 | La Habra, CA | 2.8 mi | — |
| 90639 | La Mirada, CA | 3.0 mi | 1,671 |
| 90632 | La Habra, CA | 3.0 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 90603?
A typical home in ZIP code 90603 is worth about $879,600 (Zillow Home Value Index). The median household here earns $136,705 a year. See what buying here would cost per month, with California average taxes and insurance filled in.
Monthly payment for a $879,600 homeWhat can a $136,705 income afford?Rental property numbers
About ZIP code 90603
What city is ZIP code 90603?
ZIP code 90603 is in Whittier, CA, in Los Angeles County.
What county is ZIP code 90603 in?
90603 is mainly in Los Angeles County, California.
What is the population of ZIP code 90603?
About 21,118 people live in ZIP code 90603, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 90603 in?
90603 is in Pacific Time (UTC−8). It observes daylight saving time.