ZIP Code · CA

ZIP 91108

Part of San Marino, CA

Pop. 12,401·Los Angeles County·7th most expensive ZIP in California

Median rent (all units)

$7,866/mo

Year-over-Year

Stable

Month-over-Month

+5.0%

vs US Median

+$5,934

Reported rents

Rising (Monthly)

Be the first to discuss 91108 rents ↓

Most AffordableMost Expensive

ZIP 91108 · $7,866

More expensive than 100% of US ZIP codes · National median $1,932/mo

Rent check

Is your rent fair?

Compare your rent to the local median.

Rent trends

12-month history

Loading…

Last updated: August 17, 2026

From the history

What the numbers show

What a typical income covers

30% of the median household income ($204,847) is $5,121 a month. That covers HUD's Fair Market Rent for up to a 4-bedroom ($4,150).

Cheaper nearby

ZIP 91106, 1 mile away, rents for 64% less ($2,840/mo), about $60,300 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 91108. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$94,392/yr

At $7,866/mo median

Location

CitySan Marino

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, +5.0% 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.

Community

Discussions about ZIP 91108

No discussions yet. Start the conversation.

Local insights

Tips for renters in ZIP 91108

About renting in ZIP 91108

Last updated: August 17, 2026

ZIP code 91108 covers San Marino, CA. The median rent here is $7,866/mo as of August 2026.

At 46% 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 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 $315,000/year (about $151/hour full-time) to afford the median rent of $7,866/mo in ZIP 91108. The local median household income is $204,847/yr, so the typical household falls short of that bar.