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ZIP Code · CA

ZIP 91001

Part of Altadena, CA
Pop. 35,475·Los Angeles County·162nd most expensive ZIP in California
Median rent (all units)
$3,606/mo
Year-over-Year
-19.4%
Month-over-Month
-7.9%
vs US Median
+$1,641
Falling (Monthly)
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Most AffordableMost Expensive
ZIP 91001 · $3,606
More expensive than 96% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$2,160
1 BR
$2,410
2 BR
$3,010
3 BR
$3,820
4 BR+
$4,250
Research median
$3,010/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
$43,272/yr
At $3,606/mo median
Location
StateCA
CountyLos Angeles County
Rent Market Meter
Strong Renter's Market
Renter's MarketBalancedLandlord's Market
Rents are down 19.4% year-over-year. Push hard on price, concessions, and lease terms.
Based on rent-price momentum (-19.4% YoY, -7.9% MoM), not inventory.
Demographics

Who lives here

ZIP 91001 (Altadena, CA) is majority owner-occupied, has a large retiree population, has a median income above the national average, 53.9% of residents hold a bachelor's degree or higher.

Population
35,475
Median income
$134,903
Median age
46.3
Renters
20.1%
Age distribution
19.6%
15.7%
27.4%
15.2%
22%
Under 1819.6%
18–3415.7%
35–5427.4%
55–6415.2%
65+22%
Gender
48.6%
51.4%
Male48.6%
Female51.4%
Race & ethnicity
39%
20.3%
28.6%
White39%
Black20.3%
Hispanic28.6%
Asian6.5%
Other5.6%
Education (25+)
14%
24.3%
53.9%
No HS diploma7.9%
HS diploma14%
Some college24.3%
Bachelor's+53.9%
Housing tenure
79.9%
20.1%
Owner79.9%
Renter20.1%

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

2021 vs 2026

How ZIP 91001 in Altadena, CA has changed in 5 years

Income
$114,668 → $134,903
up 17.6%
Population
36,867 → 35,475
down 3.8%
Renter share
22.5% → 20.1%
-2.4 pts
Bachelor's+
47.6% → 53.9%
+6.3 pts
Median age
44.6 → 46.3
+1.7 yrs

On the earnings side, the typical household in ZIP 91001 in Altadena, CA now reports about $134,903, up from $114,668 in 2021. Census counts show ZIP 91001 in Altadena, CA losing about 1,392 residents over the five-year window, down 3.8% on net. The renter share has eased from 22.5% to 20.1%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 47.6% to 53.9% across the same window.

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Local insights

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About renting in ZIP 91001

Last updated: July 20, 2026

ZIP code 91001 covers Altadena, CA. The median rent here is $3,606/mo as of July 2026. A 1-bedroom rents for a median of $2,410/mo. A 2-bedroom rents for a median of $3,010/mo.

At 32% of local median household income ($134,903/yr), ZIP 91001 ranks as moderate compared to the national benchmark of 30%. Rents have decreased 19.4% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 91001?

As of July 20, 2026, the median monthly rent in ZIP 91001 (Altadena, CA) is $3,606. This is based on aggregated data from public sources and community submissions.

How does ZIP 91001 rent compare to the US average?

ZIP 91001's median rent of $3,606/mo is $1,641 (84%) above the US national median of $1,965/mo.

How does ZIP 91001 compare to other ZIPs in California?

ZIP 91001 is one of the pricier ZIP codes in California, ranking #162 out of 907 ZIPs tracked at $3,606/mo.

How much income do you need to rent in ZIP 91001?

To keep rent at or below 30% of gross income, you would need to earn at least $144,000/year (~$69/hour full-time) to afford the median rent of $3,606/mo in ZIP 91001. The local median household income is $134,903/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 91001?

Rent in ZIP 91001 has decreased 19.4% over the past year as of July 20, 2026, offering some relief compared to 12 months ago.

Is ZIP 91001 an affordable place to rent?

ZIP 91001 is considered moderate for renters. At $3,606/mo, rent takes approximately 32% of the local median household income ($134,903/yr). The standard benchmark is 30%. ZIP 91001 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 91001 residents rent vs. own?

According to Census data, approximately 20.1% of ZIP 91001 households are renters, while 79.9% are owner-occupied. ZIP 91001 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 91001 compare to the rest of Altadena?

ZIP 91001 is more affordable than Altadena overall. At $3,606/mo, it's $85 below the Altadena citywide median of $3,691/mo.

When was rent data for ZIP 91001 last updated?

Rent data for ZIP 91001 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
32%
MODERATE

At $3,606/mo, rent takes ~32% of ZIP 91001's median household income ($134,903/yr). The standard benchmark is 30%.

ZIP 91001 32%Benchmark 30%
State income tax1–13.3%
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Schools nearby

Public schools near ZIP 91001 (Altadena, CA)

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