ZIP Code · CA

ZIP 91740

Part of Glendora, CA

Pop. 26,168·Los Angeles County·600th most expensive ZIP in California

Median rent (all units)

$2,536/mo

Year-over-Year

+4.0%

Month-over-Month

+1.4%

vs US Median

+$604

Reported rents

Rising (Monthly)

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Most AffordableMost Expensive

ZIP 91740 · $2,536

More expensive than 81% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$2,110

1 BR

$2,360

2 BR

$2,940

3 BR

$3,730

4 BR+

$4,150

Research median

$2,940/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: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 91740 is 0.2% below its high of $2,541 in May 2026, at $2,536 as of September 2026.

Past year vs. the rest of California

Rent in ZIP 91740 changed +4.0% over the year to September 2026. Across the 819 California ZIP codes Zillow tracks, the typical change was +3.2%.

Recent direction

Rent rose in 7 of the last 12 months.

What a typical income covers

30% of the median household income ($99,083) is $2,477 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($2,360); a 2-bedroom is $2,940.

Cheaper nearby

ZIP 91768, 5 miles away, rents for 15% less ($2,158/mo), about $4,500 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 91740. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$30,432/yr

At $2,536/mo median

Location

CityGlendora

StateCA

CountyLos Angeles County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 4.0% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+4.0% YoY, +1.4% MoM), not inventory.

Demographics

Who lives here

ZIP 91740 (Glendora, CA) is majority owner-occupied, has a median income above the national average, 30.6% of residents hold a bachelor's degree or higher.

Population

26,168

Median income

$99,083

Median age

Renters

36%

Age distribution

22.3%

22.6%

26.3%

12.5%

16.3%

Under 1822.3%

18–3422.6%

35–5426.3%

55–6412.5%

65+16.3%

Gender

46.7%

53.3%

Male46.7%

Female53.3%

Race & ethnicity

40.1%

49.4%

White40.1%

Black3.7%

Hispanic49.4%

Asian9.9%

Education (25+)

23.3%

35.9%

30.6%

No HS diploma10.1%

HS diploma23.3%

Some college35.9%

Bachelor's+30.6%

Housing tenure

64%

36%

Owner64%

Renter36%

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

2023 vs 2026

How ZIP 91740 in Glendora, CA has changed in 5 years

Rent

$2,302 → $2,536

up 10.2%

Income

$92,975 → $99,083

up 6.6%

Population

27,379 → 26,168

down 4.4%

Renter share

34.4% → 36%

+1.6 pts

Bachelor's+

31.6% → 30.6%

-1.0 pts

Median age

37.5 → 38

+0.5 yrs

The median rent in ZIP 91740 in Glendora, CA stood at $2,302 in 2023 and currently runs about $2,536, reflecting a 10.2% increase over the period. Household income in the area moved from $92,975 to $99,083 across the same window, up 6.6% versus 2021. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has contracted by 4.4% since 2021, moving from about 27,379 residents to roughly 26,168. Renters now make up 36% of households, compared with 34.4% five years ago. Reading these numbers side by side helps frame whether current listings in ZIP 91740 in Glendora, 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 91740

Last updated: October 17, 2026

ZIP code 91740 covers Glendora, CA. The median rent here is $2,536/mo as of October 2026. A 1-bedroom rents for a median of $2,360/mo. A 2-bedroom rents for a median of $2,940/mo.

At 31% of local median household income ($99,083/yr), ZIP 91740 ranks as moderate compared to the national benchmark of 30%. Rents have increased 4.0% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 91740?

To keep rent at or below 30% of gross income, you would need to earn at least $101,000/year (about $49/hour full-time) to afford the median rent of $2,536/mo in ZIP 91740. The local median household income is $99,083/yr, so the typical household falls short of that bar.

Is rent going up or down in ZIP 91740?

Rent in ZIP 91740 has risen 4.0% over the past year as of September 2026. It sits 0.2% below its high of $2,541 in May 2026.

How does ZIP 91740 compare to other ZIPs in California?

ZIP 91740 is one of the more affordable among California ZIP codes for rent, ranking #600 of 898 at $2,536/mo. Over the year to September 2026, rent in ZIP 91740 changed +4.0%, against a typical +3.2% across the 819 California ZIP codes Zillow tracks.