ZIP Code · CA

ZIP 91803

Part of Alhambra, CA

Pop. 27,715·Los Angeles County·652nd most expensive ZIP in California

Median rent (all units)

$2,411/mo

Year-over-Year

+0.4%

Month-over-Month

-0.7%

vs US Median

+$479

Reported rents

Falling (Monthly)

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Most AffordableMost Expensive

ZIP 91803 · $2,411

More expensive than 77% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,700

1 BR

$1,910

2 BR

$2,380

3 BR

$3,020

4 BR+

$3,360

Research median

$2,380/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: October 17, 2026

From the history

What the numbers show

Cheapest month to sign

May. Asking rents in ZIP 91803 usually run 1.8% below trend in May and 1.6% above it in October, about $82 a month apart at today's median. Based on 5 years of data.

Compared with the peak

Rent in ZIP 91803 is 1% below its high of $2,436 in November 2025, at $2,411 as of September 2026.

Past year vs. the rest of California

Rent in ZIP 91803 changed +0.4% over the year to September 2026. Across the 819 California ZIP codes Zillow tracks, the typical change was +3.2%.

Recent direction

Rent rose in 4 of the last 12 months.

What a typical income covers

30% of the median household income ($84,311) is $2,108 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($1,910); a 2-bedroom is $2,380.

Cheaper nearby

ZIP 90022, 4 miles away, rents for 13% less ($2,109/mo), about $3,600 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 91803. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$28,932/yr

At $2,411/mo median

Location

CityAlhambra

StateCA

CountyLos Angeles County

Rent Market Meter

Balanced Market

Renter's MarketBalancedLandlord's Market

Rents are roughly steady, with neither renters nor landlords holding a strong edge right now.

Based on rent-price momentum (+0.4% YoY, -0.7% MoM), not inventory.

Demographics

Who lives here

ZIP 91803 (Alhambra, CA) is roughly split between renters and owners, 38.3% of residents hold a bachelor's degree or higher.

Population

27,715

Median income

$84,311

Median age

41.8

Renters

51.6%

Age distribution

18.3%

21.6%

27.6%

13.2%

19.3%

Under 1818.3%

18–3421.6%

35–5427.6%

55–6413.2%

65+19.3%

Gender

48.7%

51.3%

Male48.7%

Female51.3%

Race & ethnicity

38.1%

50.5%

White11.3%

Black1.1%

Hispanic38.1%

Asian50.5%

Education (25+)

19.5%

19.6%

22.6%

38.3%

No HS diploma19.5%

HS diploma19.6%

Some college22.6%

Bachelor's+38.3%

Housing tenure

48.4%

51.6%

Owner48.4%

Renter51.6%

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

2021 vs 2026

How ZIP 91803 in Alhambra, CA has changed in 5 years

Rent

$1,803 → $2,411

up 33.7%

Income

$72,773 → $84,311

up 15.9%

Population

29,223 → 27,715

down 5.2%

Renter share

51.4% → 51.6%

+0.2 pts

Bachelor's+

34.7% → 38.3%

+3.6 pts

Across the past five years, the going rent in ZIP 91803 in Alhambra, CA has shifted from $1,803 to $2,411, up 33.7% since 2021. On the earnings side, the typical household in ZIP 91803 in Alhambra, CA now reports about $84,311, up from $72,773 in 2021. Because rent grew faster than wages over the same span, the affordability picture has tightened relative to 2021. Census counts show ZIP 91803 in Alhambra, CA losing about 1,508 residents over the five-year window, down 5.2% on net. Bachelor's-degree-or-higher attainment moved from 34.7% to 38.3% across the same window. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 91803 in Alhambra, CA reflects that arc in its own way.

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About renting in ZIP 91803

Last updated: October 17, 2026

ZIP code 91803 covers Alhambra, CA. The median rent here is $2,411/mo as of October 2026. A 1-bedroom rents for a median of $1,910/mo. A 2-bedroom rents for a median of $2,380/mo.

At 34% of local median household income ($84,311/yr), ZIP 91803 ranks as moderate compared to the national benchmark of 30%. Rents have increased 0.4% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 91803?

To keep rent at or below 30% of gross income, you would need to earn at least $96,000/year (about $46/hour full-time) to afford the median rent of $2,411/mo in ZIP 91803. The local median household income is $84,311/yr, so the typical household falls short of that bar.

Is rent going up or down in ZIP 91803?

Rent in ZIP 91803 has been roughly flat over the past year as of September 2026, a +0.4% change. It sits 1% below its high of $2,436 in November 2025.

When is the cheapest time to rent in ZIP 91803?

Asking rents in ZIP 91803 are usually lowest in May, about 1.8% below their yearly trend, and highest in October, about 1.6% above it. At today's median that is a gap of roughly $82 a month. This pattern comes from 5 years of Zillow rent data.

How does ZIP 91803 compare to other ZIPs in California?

ZIP 91803 is one of the more affordable among California ZIP codes for rent, ranking #652 of 898 at $2,411/mo. Over the year to September 2026, rent in ZIP 91803 changed +0.4%, against a typical +3.2% across the 819 California ZIP codes Zillow tracks.