ZIP Code · CA

ZIP 90603

Part of Whittier, CA

Pop. 21,118·Los Angeles County·173rd most expensive ZIP in California

Median rent (all units)

$3,500/mo

Year-over-Year

Stable

Month-over-Month

+14.0%

vs US Median

+$1,568

Reported rents

Rising (Monthly)

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Most AffordableMost Expensive

ZIP 90603 · $3,500

More expensive than 95% of US ZIP codes · National median $1,932/mo

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Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio

$2,200

1 BR

$2,460

2 BR

$3,070

3 BR

$3,890

4 BR+

$4,330

Research median

$3,070/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: July 20, 2026

From the history

What the numbers show

What a typical income covers

30% of the median household income ($136,705) is $3,418 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($3,070); a 3-bedroom is $3,890.

Cheaper nearby

ZIP 90605, 2 miles away, rents for 23% less ($2,709/mo), about $9,500 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 90603. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$42,000/yr

At $3,500/mo median

Location

CityWhittier

StateCA

CountyLos Angeles County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 0.0% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+0.0% YoY, +14.0% MoM), not inventory.

Demographics

Who lives here

ZIP 90603 (Whittier, CA) is majority owner-occupied, has a median income above the national average, 34.2% of residents hold a bachelor's degree or higher.

Population

21,118

Median income

$136,705

Median age

40.8

Renters

21.5%

Age distribution

22.1%

19.2%

27.3%

15.1%

16.2%

Under 1822.1%

18–3419.2%

35–5427.3%

55–6415.1%

65+16.2%

Gender

46.2%

53.8%

Male46.2%

Female53.8%

Race & ethnicity

42.8%

59.1%

White42.8%

Black0.8%

Hispanic59.1%

Asian6.3%

Education (25+)

25.8%

33.1%

34.2%

No HS diploma6.9%

HS diploma25.8%

Some college33.1%

Bachelor's+34.2%

Housing tenure

78.5%

21.5%

Owner78.5%

Renter21.5%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 90603 in Whittier, CA has changed in 5 years

Income

$109,485 → $136,705

up 24.9%

Population

21,236 → 21,118

down 0.6%

Renter share

18.3% → 21.5%

+3.2 pts

Bachelor's+

36.5% → 34.2%

-2.3 pts

Local incomes tracked alongside that move, going from a median of $109,485 in 2021 to $136,705 more recently. The renter share has risen from 18.3% to 21.5%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 36.5% to 34.2% across the same window.

Community

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Local insights

Tips for renters in ZIP 90603

About renting in ZIP 90603

Last updated: July 20, 2026

ZIP code 90603 covers Whittier, CA. The median rent here is $3,500/mo as of July 2026. A 1-bedroom rents for a median of $2,460/mo. A 2-bedroom rents for a median of $3,070/mo.

At 31% of local median household income ($136,705/yr), ZIP 90603 ranks as moderate compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 90603?

To keep rent at or below 30% of gross income, you would need to earn at least $140,000/year (about $67/hour full-time) to afford the median rent of $3,500/mo in ZIP 90603. The local median household income is $136,705/yr, so the typical household falls short of that bar.