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ZIP Code · CA

ZIP 91942

Part of La Mesa, CA
Pop. 41,424·San Diego County·547th most expensive ZIP in California
Median rent (all units)
$2,640/mo
Year-over-Year
+1.4%
Month-over-Month
+0.8%
vs US Median
+$675
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 91942 · $2,640
More expensive than 83% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$2,300
1 BR
$2,470
2 BR
$3,010
3 BR
$4,010
4 BR+
$4,860
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
$31,680/yr
At $2,640/mo median
Location
StateCA
CountySan Diego County
Rent Market Meter
Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are climbing (1.4% YoY), so leverage tilts toward landlords. Act sooner rather than later.
Based on rent-price momentum (+1.4% YoY, +0.8% MoM), not inventory.
Demographics

Who lives here

ZIP 91942 (La Mesa, CA) is roughly split between renters and owners, has a median income above the national average, 40.9% of residents hold a bachelor's degree or higher.

Population
41,424
Median income
$92,896
Median age
37.7
Renters
54.5%
Age distribution
20.9%
24.5%
28.3%
15.8%
Under 1820.9%
18–3424.5%
35–5428.3%
55–6410.5%
65+15.8%
Gender
48.3%
51.7%
Male48.3%
Female51.7%
Race & ethnicity
56.3%
27.6%
White56.3%
Black7.6%
Hispanic27.6%
Asian6.7%
Other1.8%
Education (25+)
15.7%
37.9%
40.9%
No HS diploma5.5%
HS diploma15.7%
Some college37.9%
Bachelor's+40.9%
Housing tenure
45.5%
54.5%
Owner45.5%
Renter54.5%

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

2021 vs 2026

How ZIP 91942 in La Mesa, CA has changed in 5 years

Rent
$1,953 → $2,640
up 35.2%
Income
$72,145 → $92,896
up 28.8%
Population
40,863 → 41,424
up 1.4%
Renter share
57.5% → 54.5%
-3.0 pts
Bachelor's+
38.3% → 40.9%
+2.6 pts
Median age
36 → 37.7
+1.7 yrs

Compared with 2021, rent in ZIP 91942 in La Mesa, CA has increased by $687 per month, settling near $2,640 after starting the period at $1,953. Household income in the area moved from $72,145 to $92,896 across the same window, up 28.8% versus 2021. Rent outpaced income growth by roughly 6.4 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 40,863 to 41,424 between 2021 and 2024, a 1.4% change. About 54.5% of households rent today, against 57.5% in 2021. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 38.3% to 40.9%. Reading these numbers side by side helps frame whether current listings in ZIP 91942 in La Mesa, CA look reasonable against where the market sat half a decade ago.

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Local insights

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About renting in ZIP 91942

Last updated: July 20, 2026

ZIP code 91942 covers La Mesa, CA. The median rent here is $2,640/mo as of July 2026. A 1-bedroom rents for a median of $2,470/mo. A 2-bedroom rents for a median of $3,010/mo.

At 34% of local median household income ($92,896/yr), ZIP 91942 ranks as moderate compared to the national benchmark of 30%. Rents have increased 1.4% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 91942?

As of July 20, 2026, the median monthly rent in ZIP 91942 (La Mesa, CA) is $2,640. This is based on aggregated data from public sources and community submissions.

How does ZIP 91942 rent compare to the US average?

ZIP 91942's median rent of $2,640/mo is $675 (34%) above the US national median of $1,965/mo.

How does ZIP 91942 compare to other ZIPs in California?

ZIP 91942 falls in the middle range for California, ranking #547 out of 907 ZIPs at $2,640/mo.

How much income do you need to rent in ZIP 91942?

To keep rent at or below 30% of gross income, you would need to earn at least $106,000/year (~$51/hour full-time) to afford the median rent of $2,640/mo in ZIP 91942. The local median household income is $92,896/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 91942?

Rent in ZIP 91942 has increased 1.4% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 91942 an affordable place to rent?

ZIP 91942 is considered moderate for renters. At $2,640/mo, rent takes approximately 34% of the local median household income ($92,896/yr). The standard benchmark is 30%. ZIP 91942 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 91942 residents rent vs. own?

According to Census data, approximately 54.5% of ZIP 91942 households are renters, while 45.5% are owner-occupied. With a majority renter population, ZIP 91942 has a strong rental market.

How does ZIP 91942 compare to the rest of La Mesa?

ZIP 91942 is more affordable than La Mesa overall. At $2,640/mo, it's $22 below the La Mesa citywide median of $2,662/mo.

When was rent data for ZIP 91942 last updated?

Rent data for ZIP 91942 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
34%
MODERATE

At $2,640/mo, rent takes ~34% of ZIP 91942's median household income ($92,896/yr). The standard benchmark is 30%.

ZIP 91942 34%Benchmark 30%
State income tax1–13.3%
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Schools nearby

Public schools near ZIP 91942 (La Mesa, CA)

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