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ZIP Code · CA

ZIP 92121

Pop. 3,974·San Diego County·89th most expensive ZIP in California
Median rent (all units)
$4,115/mo
Year-over-Year
Stable
Month-over-Month
+0.4%
vs US Median
+$2,150
Stable (Monthly)
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Most AffordableMost Expensive
ZIP 92121 · $4,115
More expensive than 98% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$2,680
1 BR
$2,880
2 BR
$3,520
3 BR
$4,690
4 BR+
$5,680
Research median
$3,520/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
$49,380/yr
At $4,115/mo median
Location
StateCA
CountySan Diego 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 (+0.0% YoY, +0.4% MoM), not inventory.
Demographics

Who lives here

ZIP 92121 (San Diego, CA) is roughly split between renters and owners, skews toward younger working-age adults, has a median income above the national average, 74.4% of residents hold a bachelor's degree or higher.

Population
3,974
Median income
$135,938
Median age
32.7
Renters
50.4%
Age distribution
12.4%
40.7%
21.9%
13.9%
Under 1812.4%
18–3440.7%
35–5421.9%
55–6413.9%
65+11.1%
Gender
54.8%
45.2%
Male54.8%
Female45.2%
Race & ethnicity
50.2%
13.5%
26.3%
White50.2%
Black2.1%
Hispanic13.5%
Asian26.3%
Other7.9%
Education (25+)
16.7%
74.4%
No HS diploma0.7%
HS diploma8.2%
Some college16.7%
Bachelor's+74.4%
Housing tenure
49.6%
50.4%
Owner49.6%
Renter50.4%

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

2021 vs 2026

How ZIP 92121 in San Diego, CA has changed in 5 years

Income
$117,200 → $135,938
up 16.0%
Population
4,213 → 3,974
down 5.7%
Renter share
46% → 50.4%
+4.4 pts
Bachelor's+
78.6% → 74.4%
-4.2 pts

On the earnings side, the typical household in ZIP 92121 in San Diego, CA now reports about $135,938, up from $117,200 in 2021. The population has contracted by 5.7% since 2021, moving from about 4,213 residents to roughly 3,974. Renters now make up 50.4% of households, compared with 46% five years ago. College-educated residents now make up 74.4% of adults here, versus 78.6% in 2021.

Community

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Local insights

Tips for renters in ZIP 92121

About renting in ZIP 92121

Last updated: July 20, 2026

ZIP code 92121 covers San Diego, CA. The median rent here is $4,115/mo as of July 2026. A 1-bedroom rents for a median of $2,880/mo. A 2-bedroom rents for a median of $3,520/mo.

At 36% of local median household income ($135,938/yr), ZIP 92121 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 92121?

As of July 20, 2026, the median monthly rent in ZIP 92121 (San Diego, CA) is $4,115. This is based on aggregated data from public sources and community submissions.

How does ZIP 92121 rent compare to the US average?

ZIP 92121's median rent of $4,115/mo is $2,150 (109%) above the US national median of $1,965/mo.

How does ZIP 92121 compare to other ZIPs in California?

ZIP 92121 is one of the pricier ZIP codes in California, ranking #89 out of 907 ZIPs tracked at $4,115/mo.

How much income do you need to rent in ZIP 92121?

To keep rent at or below 30% of gross income, you would need to earn at least $165,000/year (~$79/hour full-time) to afford the median rent of $4,115/mo in ZIP 92121. The local median household income is $135,938/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 92121?

Rent in ZIP 92121 has been relatively stable over the past year, with a 0.0% change year over year as of July 20, 2026.

Is ZIP 92121 an affordable place to rent?

ZIP 92121 is considered moderate for renters. At $4,115/mo, rent takes approximately 36% of the local median household income ($135,938/yr). The standard benchmark is 30%. ZIP 92121 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 92121 residents rent vs. own?

According to Census data, approximately 50.4% of ZIP 92121 households are renters, while 49.6% are owner-occupied. With a majority renter population, ZIP 92121 has a strong rental market.

How does ZIP 92121 compare to the rest of San Diego?

ZIP 92121 is pricier than San Diego as a whole. At $4,115/mo, it's $1,077 above the San Diego citywide median of $3,038/mo.

When was rent data for ZIP 92121 last updated?

Rent data for ZIP 92121 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
36%
MODERATE

At $4,115/mo, rent takes ~36% of ZIP 92121's median household income ($135,938/yr). The standard benchmark is 30%.

ZIP 92121 36%Benchmark 30%
State income tax1–13.3%
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Public schools near ZIP 92121 (San Diego, CA)

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