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ZIP Code · CA

ZIP 91108

Pop. 12,401·Los Angeles County·9th most expensive ZIP in California
Median rent (all units)
$7,489/mo
Year-over-Year
Stable
Month-over-Month
+5.2%
vs US Median
+$5,524
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 91108 · $7,489
More expensive than 100% of US ZIP codes · National median $1,965/mo
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12-month history

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Last updated: July 20, 2026

Annual cost
$89,868/yr
At $7,489/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, +5.2% MoM), not inventory.
Demographics

Who lives here

ZIP 91108 (San Marino, CA) is majority owner-occupied, has a large retiree population, has a median income above the national average, 82.5% of residents hold a bachelor's degree or higher.

Population
12,401
Median income
$204,847
Median age
46.1
Renters
18%
Age distribution
23.5%
14.2%
24.7%
14.2%
23.5%
Under 1823.5%
18–3414.2%
35–5424.7%
55–6414.2%
65+23.5%
Gender
50.3%
49.7%
Male50.3%
Female49.7%
Race & ethnicity
23.3%
67.5%
White23.3%
Hispanic5.4%
Asian67.5%
Other3.7%
Education (25+)
82.5%
No HS diploma3.3%
HS diploma3.7%
Some college10.5%
Bachelor's+82.5%
Housing tenure
82%
18%
Owner82%
Renter18%

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

2021 vs 2026

How ZIP 91108 in San Marino, CA has changed in 5 years

Income
$170,223 → $204,847
up 20.3%
Population
12,755 → 12,401
down 2.8%
Renter share
16.2% → 18%
+1.8 pts
Bachelor's+
80.6% → 82.5%
+1.9 pts

Local incomes tracked alongside that move, going from a median of $170,223 in 2021 to $204,847 more recently. Headcount in the area went from 12,755 to 12,401 between 2021 and 2024, a 2.8% change. About 18% of households rent today, against 16.2% in 2021.

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Local insights

Tips for renters in ZIP 91108

About renting in ZIP 91108

Last updated: July 20, 2026

ZIP code 91108 covers San Marino, CA. The median rent here is $7,489/mo as of July 2026.

At 44% of local median household income ($204,847/yr), ZIP 91108 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 91108?

As of July 20, 2026, the median monthly rent in ZIP 91108 (San Marino, CA) is $7,489. This is based on aggregated data from public sources and community submissions.

How does ZIP 91108 rent compare to the US average?

ZIP 91108's median rent of $7,489/mo is $5,524 (281%) above the US national median of $1,965/mo.

How does ZIP 91108 compare to other ZIPs in California?

ZIP 91108 is one of the pricier ZIP codes in California, ranking #9 out of 907 ZIPs tracked at $7,489/mo.

How much income do you need to rent in ZIP 91108?

To keep rent at or below 30% of gross income, you would need to earn at least $300,000/year (~$144/hour full-time) to afford the median rent of $7,489/mo in ZIP 91108. The local median household income is $204,847/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 91108?

Rent in ZIP 91108 has been relatively stable over the past year, with a 0.0% change year over year as of July 20, 2026.

Is ZIP 91108 an affordable place to rent?

ZIP 91108 is considered stretched for renters. At $7,489/mo, rent takes approximately 44% of the local median household income ($204,847/yr). The standard benchmark is 30%. ZIP 91108 significantly exceeds that threshold, making it challenging for many renters.

What percentage of ZIP 91108 residents rent vs. own?

According to Census data, approximately 18% of ZIP 91108 households are renters, while 82% are owner-occupied. ZIP 91108 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 91108 compare to the rest of San Marino?

ZIP 91108 sits right at the San Marino citywide median of $7,489/mo.

When was rent data for ZIP 91108 last updated?

Rent data for ZIP 91108 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
44%
STRETCHED

At $7,489/mo, rent takes ~44% of ZIP 91108's median household income ($204,847/yr). The standard benchmark is 30%.

ZIP 91108 44%Benchmark 30%
State income tax1–13.3%
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