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California ZIP Codes
Los Angeles County
Glendora, CA
91740
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.
91740 ZIP code map
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Cities in ZIP code 91740
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Nearby ZIP codes
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
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
$96,433
Median household income
$647,000
Median home value
$2,092
Median monthly rent
29.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,196 22.8%
18 and over 20,935 77.2%
65 and over 4,362 16.1%
Median age 38.0 years
Race & ethnicity
Black or African American
1.8%
American Indian / Alaska Native
1.5%
Group Count %
White 14,066 40.2%
Hispanic or Latino 7,888 22.5%
Two or more races 5,077 14.5%
Other race 4,243 12.1%
Asian 2,613 7.5%
Black or African American 619 1.8%
American Indian / Alaska Native 509 1.5%
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%
Range % of households
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%
Median income $96,433
Housing
Housing overview
Metric Value
Median home value $647,000
Median rent / month $2,092
Owner occupied 65.3%
Renter occupied 34.7%
Vacant 2.5%
Single-family detached 65.9%
Large apartment buildings 8.5%
Mobile homes 5.3%
Median rooms 5.4
Avg household size (owned) 3.18
Year built
Era %
2020 or later 0.0%
2010–2019 5.2%
2000–2009 2.2%
1990–1999 3.1%
1980–1989 10.6%
1970–1979 14.8%
1960–1969 25.6%
1950–1959 33.1%
1940–1949 3.0%
1939 or earlier 2.3%
Bedrooms
Size % of units
No bedroom (studio) 1.8%
1 bedroom 8.4%
2 bedrooms 20.5%
3 bedrooms 46.4%
4 bedrooms 21.4%
5+ bedrooms 1.5%
Vehicles per household
Vehicles % of households
No vehicle 3.1%
1 vehicle 22.5%
2 vehicles 41.5%
3 or more 32.9%
Heating fuel
Fuel type %
Utility gas 82.4%
Electricity 14.6%
Propane / LP gas 1.7%
Fuel oil 0.1%
Solar 0.4%
No fuel used 0.5%
Households & families
Household type Count %
Married-couple family 4,576 54.5%
Cohabiting couple 487 5.8%
Male householder, no spouse 1,329 15.8%
Female householder, no spouse 2,001 23.8%
Households with children under 18 3,296 39.3%
Households with seniors (65+) 2,787 33.2%
Average household size 3.11
Marital status
Status Male Female
Never married 38.4% 34.6%
Married 50.8% 44.7%
Separated 1.2% 1.5%
Widowed 1.1% 6.3%
Divorced 8.5% 12.9%
Education
Some college, no degree
23.5%
Graduate / professional
8.9%
Metric %
HS diploma or higher 90.2%
Bachelor's or higher 29.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 474 6.6%
Kindergarten 394 5.5%
Elementary school 2,496 34.6%
High school 1,608 22.3%
College / grad school 2,238 31.0%
Employment
Industry of employment
Education & healthcare
27.0%
Professional & management
8.9%
Arts, food & hospitality
8.8%
Transportation & utilities
6.9%
Finance & real estate
5.5%
Public administration
3.0%
Agriculture & mining
0.6%
Occupation
Category %
Management, business & arts 39.2%
Service 13.0%
Sales & office 26.4%
Natural resources & construction 8.2%
Production & transportation 13.2%
Employment type
Type %
Private sector 77.2%
Government 17.2%
Self-employed 5.6%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 76.7%
Carpool 6.6%
Public transit 3.0%
Walk 1.5%
Work from home 11.3%
Other means 0.8%
Avg commute (minutes) 33.4
Poverty
Married-couple families
4.0%
Female-led households
14.9%
Income support
Source % of households
Social Security 31.3%
Retirement income 21.5%
Supplemental Security 4.9%
Cash public assistance 2.8%
Food stamps / SNAP 9.2%
Health indicators
Condition %
Obesity 27.1%
High blood pressure 26.1%
High cholesterol 28.9%
Diabetes 8.9%
Heart disease 5.2%
Stroke 2.5%
Asthma 8.9%
Arthritis 18.4%
Kidney disease 2.6%
Pulmonary disease 5.2%
Cancer 5.8%
Behavior / access %
Smoking 9.6%
Binge drinking 18.2%
No physical activity 18.0%
Less than 7 hrs sleep 31.3%
Depression 17.1%
Fair or poor health 12.9%
Poor mental health 14.6%
Poor physical health 9.2%
No health insurance 12.6%
Visited doctor (checkup) 64.3%
Visited dentist 66.2%
Cholesterol screening 92.1%
Teeth loss 9.1%
Veterans & disability
Veterans Count %
Civilian veterans 1,086 5.2%
Disability %
Any disability 13.4%
Under 18 5.3%
18–64 years 11.0%
65 and over 36.1%
Health insurance coverage
Type %
Private insurance 72.1%
Public insurance 31.0%
No insurance 4.8%
Uninsured under 19 2.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 25,700 94.7%
Spanish 2,773 10.8%
Other Indo-European 1,413 5.5%
Asian & Pacific Islander 207 0.8%
Other languages 654 2.5%
Place of birth & citizenship
Origin Count %
Native born (US) 21,362 78.7%
Born in same state 21,100 77.8%
Born in different state 18,059 66.6%
Foreign born 262 1.0%
Naturalized citizen 5,769 21.3%
Not a US citizen 3,772 65.4%
Ancestry
Ancestry Count %
Italian 1,907 7%
French 1,473 5.4%
Arab 675 2.5%
Polish 331 1.2%
English 171 0.6%
Ancestry Count %
German 99 0.4%
Dutch 62 0.2%
Irish 59 0.2%
Norwegian 9 0%
Technology access
Metric % of households
Computer access 30.9%
Internet access 96.7%
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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