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ZIP Code · CA

ZIP 94121

Pop. 41,995·San Francisco County·127th most expensive ZIP in California
Median rent (all units)
$3,781/mo
Year-over-Year
+23.6%
Month-over-Month
-4.0%
vs US Median
+$1,816
Falling (Monthly)
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Most AffordableMost Expensive
ZIP 94121 · $3,781
More expensive than 97% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$2,050
1 BR
$2,510
2 BR
$2,990
3 BR
$3,730
4 BR+
$3,960
Research median
$2,990/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
$45,372/yr
At $3,781/mo median
Location
StateCA
CountySan Francisco County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 23.6% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+23.6% YoY, -4.0% MoM), not inventory.
Demographics

Who lives here

ZIP 94121 (San Francisco, CA) is majority renter-occupied, has a large retiree population, has a median income above the national average, 64.6% of residents hold a bachelor's degree or higher.

Population
41,995
Median income
$133,358
Median age
44.5
Renters
56.1%
Age distribution
15.3%
20.6%
28.7%
13.4%
22.1%
Under 1815.3%
18–3420.6%
35–5428.7%
55–6413.4%
65+22.1%
Gender
48.2%
51.8%
Male48.2%
Female51.8%
Race & ethnicity
42.1%
41.3%
White42.1%
Black1.6%
Hispanic10.4%
Asian41.3%
Other4.6%
Education (25+)
19.4%
64.6%
No HS diploma8.5%
HS diploma7.5%
Some college19.4%
Bachelor's+64.6%
Housing tenure
43.9%
56.1%
Owner43.9%
Renter56.1%

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

2021 vs 2026

How ZIP 94121 in San Francisco, CA has changed in 5 years

Rent
$2,808 → $3,781
up 34.7%
Income
$116,970 → $133,358
up 14.0%
Population
43,964 → 41,995
down 4.5%
Renter share
56.3% → 56.1%
-0.2 pts
Bachelor's+
62.5% → 64.6%
+2.1 pts
Median age
41.6 → 44.5
+2.9 yrs

Rent in ZIP 94121 in San Francisco, CA has climbed 34.7% since 2021, going from about $2,808 per month to roughly $3,781 today. Census figures show median household income at $133,358 today, compared with $116,970 five years earlier. Rent outpaced income growth by roughly 20.7 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 43,964 to 41,995 between 2021 and 2024, a 4.5% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 62.5% to 64.6%. The combined trend lines point to a market that has changed measurably from where it stood in early 2021.

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Local insights

Tips for renters in ZIP 94121

About renting in ZIP 94121

Last updated: July 20, 2026

ZIP code 94121 covers San Francisco, CA. The median rent here is $3,781/mo as of July 2026. A 1-bedroom rents for a median of $2,510/mo. A 2-bedroom rents for a median of $2,990/mo.

At 34% of local median household income ($133,358/yr), ZIP 94121 ranks as moderate compared to the national benchmark of 30%. Rents have increased 23.6% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 94121?

As of July 20, 2026, the median monthly rent in ZIP 94121 (San Francisco, CA) is $3,781. This is based on aggregated data from public sources and community submissions.

How does ZIP 94121 rent compare to the US average?

ZIP 94121's median rent of $3,781/mo is $1,816 (92%) above the US national median of $1,965/mo.

How does ZIP 94121 compare to other ZIPs in California?

ZIP 94121 is one of the pricier ZIP codes in California, ranking #127 out of 907 ZIPs tracked at $3,781/mo.

How much income do you need to rent in ZIP 94121?

To keep rent at or below 30% of gross income, you would need to earn at least $151,000/year (~$73/hour full-time) to afford the median rent of $3,781/mo in ZIP 94121. The local median household income is $133,358/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 94121?

Rent in ZIP 94121 has increased 23.6% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 94121 an affordable place to rent?

ZIP 94121 is considered moderate for renters. At $3,781/mo, rent takes approximately 34% of the local median household income ($133,358/yr). The standard benchmark is 30%. ZIP 94121 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 94121 residents rent vs. own?

According to Census data, approximately 56.1% of ZIP 94121 households are renters, while 43.9% are owner-occupied. With a majority renter population, ZIP 94121 has a strong rental market.

How does ZIP 94121 compare to the rest of San Francisco?

ZIP 94121 is more affordable than San Francisco overall. At $3,781/mo, it's $620 below the San Francisco citywide median of $4,401/mo.

When was rent data for ZIP 94121 last updated?

Rent data for ZIP 94121 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
34%
MODERATE

At $3,781/mo, rent takes ~34% of ZIP 94121's median household income ($133,358/yr). The standard benchmark is 30%.

ZIP 94121 34%Benchmark 30%
State income tax1–13.3%
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