91740 ZIP Code — Glendora, CA

Los Angeles County, California

ZIP code 91740 is located in Glendora, California, within Los Angeles County. It covers approximately 5.01 square miles and serves a population of 27,131 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 626.

About ZIP code 91740

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $647,000. Owner-occupancy sits near the national average at 65%.

Median household income is $96,433. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

27,131
population
5.01
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91740 ZIP code map
Cities in ZIP code 91740

Below are the cities the US Postal Service accepts for ZIP code 91740. Using any city not on this list may result in mail delivery delays.

City Status
Glendora Preferred
Nearby ZIP codes
91773 San Dimas (1.9 mi) 91741 Glendora (2.6 mi) 91724 Covina (2.6 mi) 91723 Covina (3.3 mi) 91722 Covina (3.8 mi) 91702 Azusa (4 mi) 91791 West Covina (4.5 mi) 91768 Pomona (4.8 mi) 91750 La Verne (5.8 mi) 91790 West Covina (6.4 mi) 91010 Duarte (6.5 mi) 91767 Pomona (6.7 mi)
Demographics updated 05/2026
Population
Total population 27,131
Population density 5,415 / sq mi
State FIPS 06
County FIPS 037
Geography
Land area 5.01 sq mi
Water area 0.02 sq mi
Latitude 34.1173
Longitude -117.8465
Timezone Pacific (PT)
Area code 626
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 25.5% 36.2% 32.6%
$50k – $100k 29.9% 28.2% 27.7%
$100k – $200k 35.0% 24.5% 26.4%
Over $200k 9.5% 11.0% 13.3%

Demographics & statistics

27,131
Population
5,415
People per sq mi
38.0
Median age
$96,433
Median household income
$38,336
Per capita income
$647,000
Median home value
$2,092
Median monthly rent
65.3%
Home ownership
8.8%
Poverty rate
5.2%
Unemployment
5,696
Housing units
29.6%
Bachelor's or higher

Age distribution

Male Female
674
Under 5
757
787
5–9
884
908
10–14
1,020
778
15–19
874
835
20–24
938
1,851
25–34
2,077
1,659
35–44
1,862
1,712
45–54
1,921
769
55–59
863
754
60–64
846
1,193
65–74
1,339
632
75–84
709
230
85+
259
← Male
Female →

Age summary

GroupCount%
Under 186,19622.8%
18 and over20,93577.2%
65 and over4,36216.1%
Median age38.0 years

Race & ethnicity

White 40.2%
Hispanic or Latino 22.5%
Two or more races 14.5%
Other race 12.1%
Asian 7.5%
Black or African American 1.8%
American Indian / Alaska Native 1.5%
GroupCount%
White14,06640.2%
Hispanic or Latino7,88822.5%
Two or more races5,07714.5%
Other race4,24312.1%
Asian2,6137.5%
Black or African American6191.8%
American Indian / Alaska Native5091.5%

Household income

Income range This ZIP County avg State avg
Under $50k 25.5% 36.2% 32.6%
$50k – $100k 29.9% 28.2% 27.7%
$100k – $200k 35.0% 24.5% 26.4%
Over $200k 9.5% 11.0% 13.3%
Under $10k 3.5%
$10k–$15k 1.6%
$15k–$25k 3.7%
$25k–$35k 3.6%
$35k–$50k 8.8%
$50k–$75k 17.7%
$75k–$100k 11.8%
$100k–$150k 23.3%
$150k–$200k 13.8%
$200k+ 12.2%
Range% of households
Under $10k3.5%
$10k–$15k1.6%
$15k–$25k3.7%
$25k–$35k3.6%
$35k–$50k8.8%
$50k–$75k17.7%
$75k–$100k11.8%
$100k–$150k23.3%
$150k–$200k13.8%
$200k+12.2%
Median income$96,433

Housing

Home values

Under $50k 2.2%
$50k–$100k 5.7%
$100k–$150k 1.5%
$150k–$200k 0.2%
$200k–$300k 0.4%
$300k–$500k 10.2%
$500k–$1M 74.0%
$1M+ 5.7%

Housing overview

MetricValue
Median home value$647,000
Median rent / month$2,092
Owner occupied65.3%
Renter occupied34.7%
Vacant2.5%
Single-family detached65.9%
Large apartment buildings8.5%
Mobile homes5.3%
Median rooms5.4
Avg household size (owned)3.18

Year built

Era%
2020 or later0.0%
2010–20195.2%
2000–20092.2%
1990–19993.1%
1980–198910.6%
1970–197914.8%
1960–196925.6%
1950–195933.1%
1940–19493.0%
1939 or earlier2.3%

Bedrooms

Size% of units
No bedroom (studio)1.8%
1 bedroom8.4%
2 bedrooms20.5%
3 bedrooms46.4%
4 bedrooms21.4%
5+ bedrooms1.5%

Vehicles per household

Vehicles% of households
No vehicle3.1%
1 vehicle22.5%
2 vehicles41.5%
3 or more32.9%

Heating fuel

Fuel type%
Utility gas82.4%
Electricity14.6%
Propane / LP gas1.7%
Fuel oil0.1%
Solar0.4%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family4,57654.5%
Cohabiting couple4875.8%
Male householder, no spouse1,32915.8%
Female householder, no spouse2,00123.8%
Households with children under 183,29639.3%
Households with seniors (65+)2,78733.2%
Average household size3.11

Marital status

StatusMaleFemale
Never married38.4%34.6%
Married50.8%44.7%
Separated1.2%1.5%
Widowed1.1%6.3%
Divorced8.5%12.9%

Education

Less than 9th grade 4.4%
Some HS, no diploma 5.5%
HS graduate 24.8%
Some college, no degree 23.5%
Associate's degree 12.2%
Bachelor's degree 20.7%
Graduate / professional 8.9%
Metric%
HS diploma or higher90.2%
Bachelor's or higher29.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4746.6%
Kindergarten3945.5%
Elementary school2,49634.6%
High school1,60822.3%
College / grad school2,23831.0%

Employment

Industry of employment

Education & healthcare 27.0%
Retail trade 13.0%
Professional & management 8.9%
Arts, food & hospitality 8.8%
Manufacturing 7.9%
Transportation & utilities 6.9%
Construction 6.8%
Other services 6.4%
Finance & real estate 5.5%
Wholesale trade 3.5%
Public administration 3.0%
Information 1.9%
Agriculture & mining 0.6%

Occupation

Category%
Management, business & arts39.2%
Service13.0%
Sales & office26.4%
Natural resources & construction8.2%
Production & transportation13.2%

Employment type

Type%
Private sector77.2%
Government17.2%
Self-employed5.6%
Unpaid family workers0.1%

Commute

Method%
Drive alone76.7%
Carpool6.6%
Public transit3.0%
Walk1.5%
Work from home11.3%
Other means0.8%
Avg commute (minutes)33.4

Poverty

All people 8.8%
Under 18 years 12.1%
18 and over 7.8%
Married-couple families 4.0%
Female-led households 14.9%

Income support

Source% of households
Social Security31.3%
Retirement income21.5%
Supplemental Security4.9%
Cash public assistance2.8%
Food stamps / SNAP9.2%

Health indicators

Condition%
Obesity27.1%
High blood pressure26.1%
High cholesterol28.9%
Diabetes8.9%
Heart disease5.2%
Stroke2.5%
Asthma8.9%
Arthritis18.4%
Kidney disease2.6%
Pulmonary disease5.2%
Cancer5.8%
Behavior / access%
Smoking9.6%
Binge drinking18.2%
No physical activity18.0%
Less than 7 hrs sleep31.3%
Depression17.1%
Fair or poor health12.9%
Poor mental health14.6%
Poor physical health9.2%
No health insurance12.6%
Visited doctor (checkup)64.3%
Visited dentist66.2%
Cholesterol screening92.1%
Teeth loss9.1%

Veterans & disability

VeteransCount%
Civilian veterans1,0865.2%
Disability%
Any disability13.4%
Under 185.3%
18–64 years11.0%
65 and over36.1%

Health insurance coverage

Type%
Private insurance72.1%
Public insurance31.0%
No insurance4.8%
Uninsured under 192.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only25,70094.7%
Spanish2,77310.8%
Other Indo-European1,4135.5%
Asian & Pacific Islander2070.8%
Other languages6542.5%

Place of birth & citizenship

OriginCount%
Native born (US)21,36278.7%
Born in same state21,10077.8%
Born in different state18,05966.6%
Foreign born2621.0%
Naturalized citizen5,76921.3%
Not a US citizen3,77265.4%

Ancestry

AncestryCount%
Italian1,9077%
French1,4735.4%
Arab6752.5%
Polish3311.2%
English1710.6%
AncestryCount%
German990.4%
Dutch620.2%
Irish590.2%
Norwegian90%

Technology access

Metric% of households
Computer access30.9%
Internet access96.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 91740

What city is ZIP code 91740 in?

ZIP code 91740 is primarily assigned to Glendora, California.

What county is ZIP code 91740 in?

ZIP code 91740 falls within Los Angeles County, California.

What is the typical home value in ZIP code 91740?

The median home value in ZIP code 91740 is $647,000.

What is the population of ZIP code 91740?

ZIP code 91740 has an estimated population of 27,131 residents, with a density of 5,416 people per square mile.

What is the median household income in ZIP code 91740?

The median household income in ZIP code 91740 is $96,433, above the national median of ~$75,000.

What timezone is ZIP code 91740 in?

ZIP code 91740 observes the PST timezone.

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