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ZIP Code · CA

ZIP 90603

Part of Whittier, CA
Pop. 21,118·Los Angeles County·182nd most expensive ZIP in California
Median rent (all units)
$3,500/mo
Year-over-Year
Stable
Month-over-Month
+14.0%
vs US Median
+$1,535
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 90603 · $3,500
More expensive than 95% of US ZIP codes · National median $1,965/mo
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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

Annual cost
$42,000/yr
At $3,500/mo median
Location
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 is rent in ZIP code 90603?

As of July 20, 2026, the median monthly rent in ZIP 90603 (Whittier, CA) is $3,500. This is based on aggregated data from public sources and community submissions.

How does ZIP 90603 rent compare to the US average?

ZIP 90603's median rent of $3,500/mo is $1,535 (78%) above the US national median of $1,965/mo.

How does ZIP 90603 compare to other ZIPs in California?

ZIP 90603 is one of the pricier ZIP codes in California, ranking #182 out of 907 ZIPs tracked at $3,500/mo.

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 (~$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, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 90603?

Rent in ZIP 90603 has been relatively stable over the past year, with a 0.0% change year over year as of July 20, 2026.

Is ZIP 90603 an affordable place to rent?

ZIP 90603 is considered moderate for renters. At $3,500/mo, rent takes approximately 31% of the local median household income ($136,705/yr). The standard benchmark is 30%. ZIP 90603 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 90603 residents rent vs. own?

According to Census data, approximately 21.5% of ZIP 90603 households are renters, while 78.5% are owner-occupied. ZIP 90603 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 90603 compare to the rest of Whittier?

ZIP 90603 is pricier than Whittier as a whole. At $3,500/mo, it's $1,112 above the Whittier citywide median of $2,388/mo.

When was rent data for ZIP 90603 last updated?

Rent data for ZIP 90603 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
31%
MODERATE

At $3,500/mo, rent takes ~31% of ZIP 90603's median household income ($136,705/yr). The standard benchmark is 30%.

ZIP 90603 31%Benchmark 30%
State income tax1–13.3%
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Schools nearby

Public schools near ZIP 90603 (Whittier, CA)

Recent submissions

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