91784 ZIP Code — Upland, CA

San Bernardino County, California

ZIP code 91784 is located in Upland, California, within San Bernardino County. It covers approximately 9.14 square miles and serves a population of 26,116 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909.

About ZIP code 91784

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $801,400. Owner-occupancy is high at 85%, well above the national average.

The gap between median ($145,496) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 36% 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 31 minutes is near the national average.

Educational attainment is high — 47% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 91784 reflects a community defined by high homeownership and a significant Social Security-dependent population.

26,116

population

9.14

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

91784 ZIP code map

Cities in ZIP code 91784

Below are the cities the US Postal Service accepts for ZIP code 91784. Using any city not on this list may result in mail delivery delays.

City	Status
Upland	Preferred

Nearby ZIP codes

91786 Upland (3.2 mi) 91711 Claremont (3.8 mi) 91701 Rancho Cucamonga (3.8 mi) 91737 Rancho Cucamonga (4.5 mi) 91750 La Verne (5.4 mi) 91730 Rancho Cucamonga (5.8 mi) 91763 Montclair (6 mi) 91758 Ontario (6 mi) 91767 Pomona (6.3 mi) 91764 Ontario (6.4 mi) 91739 Rancho Cucamonga (8 mi) 91762 Ontario (8.2 mi)

Demographics updated 06/2026

Population
Total population	26,116
Population density	2,857 / sq mi
State FIPS	06
County FIPS	071

Geography
Land area	9.14 sq mi
Water area	0.20 sq mi
Latitude	34.1499
Longitude	-117.6572
Timezone	Pacific (PT)
Area code	909

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.6%	37.7%	32.6%
$50k – $100k	20.9%	32.0%	27.7%
$100k – $200k	40.5%	23.9%	26.4%
Over $200k	21.9%	6.3%	13.3%

Demographics & statistics

26,116

Population

2,857

People per sq mi

46.8

Median age

$145,496

Median household income

$59,313

Per capita income

$801,400

Median home value

$2,663

Median monthly rent

85.4%

Home ownership

6.2%

Poverty rate

5.0%

Unemployment

7,796

Housing units

46.8%

Bachelor's or higher

Age distribution

Male Female

530

Under 5

578

609

5–9

665

778

10–14

849

784

15–19

855

721

20–24

788

1,164

25–34

1,270

1,427

35–44

1,557

1,831

45–54

1,999

967

55–59

1,056

1,060

60–64

1,157

1,418

65–74

1,549

884

75–84

965

313

85+

342

← Male

Female →

Age summary

Group	Count	%
Under 18	5,062	19.4%
18 and over	21,054	80.6%
65 and over	5,471	20.9%
Median age	46.8 years

Race & ethnicity

White 52.8%

Hispanic or Latino 13.9%

Two or more races 11.1%

Asian 10.3%

Other race 7%

Black or African American 4.2%

American Indian / Alaska Native 0.6%

Group	Count	%
White	16,009	52.8%
Hispanic or Latino	4,225	13.9%
Two or more races	3,376	11.1%
Asian	3,136	10.3%
Other race	2,133	7%
Black or African American	1,276	4.2%
American Indian / Alaska Native	171	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.6%	37.7%	32.6%
$50k – $100k	20.9%	32.0%	27.7%
$100k – $200k	40.5%	23.9%	26.4%
Over $200k	21.9%	6.3%	13.3%

Under $10k 3.2%

$10k–$15k 1.6%

$15k–$25k 3.2%

$25k–$35k 3.1%

$35k–$50k 3.9%

$50k–$75k 9.4%

$75k–$100k 9.2%

$100k–$150k 17.6%

$150k–$200k 17.4%

$200k+ 31.3%

Range	% of households
Under $10k	3.2%
$10k–$15k	1.6%
$15k–$25k	3.2%
$25k–$35k	3.1%
$35k–$50k	3.9%
$50k–$75k	9.4%
$75k–$100k	9.2%
$100k–$150k	17.6%
$150k–$200k	17.4%
$200k+	31.3%
Median income	$145,496

Housing

Home values

Under $50k 0.6%

$50k–$100k 1.6%

$100k–$150k 0.1%

$150k–$200k 0.1%

$200k–$300k 0.3%

$300k–$500k 4.4%

$500k–$1M 74.4%

$1M+ 18.6%

Housing overview

Metric	Value
Median home value	$801,400
Median rent / month	$2,663
Owner occupied	85.4%
Renter occupied	14.6%
Vacant	2.6%
Single-family detached	88.5%
Large apartment buildings	1.0%
Mobile homes	0.2%
Median rooms	7.0
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.9%
2010–2019	3.0%
2000–2009	14.5%
1990–1999	5.8%
1980–1989	32.8%
1970–1979	23.7%
1960–1969	11.3%
1950–1959	3.6%
1940–1949	1.1%
1939 or earlier	3.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	1.0%
2 bedrooms	9.4%
3 bedrooms	30.6%
4 bedrooms	47.2%
5+ bedrooms	10.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	17.1%
2 vehicles	38.7%
3 or more	42.6%

Heating fuel

Fuel type	%
Utility gas	83.1%
Electricity	13.6%
Propane / LP gas	1.6%
Wood	0.2%
Solar	1.0%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	6,013	67.9%
Cohabiting couple	329	3.7%
Male householder, no spouse	773	8.7%
Female householder, no spouse	1,738	19.6%
Households with children under 18	2,607	29.4%
Households with seniors (65+)	3,740	42.2%
Average household size	2.94

Marital status

Status	Male	Female
Never married	30.5%	25.9%
Married	60.9%	55.5%
Separated	0.7%	1.2%
Widowed	2.4%	8.9%
Divorced	5.6%	8.4%

Education

Less than 9th grade 1.4%

Some HS, no diploma 2.8%

HS graduate 14.6%

Some college, no degree 23.0%

Associate's degree 11.4%

Bachelor's degree 27.6%

Graduate / professional 19.1%

Metric	%
HS diploma or higher	95.8%
Bachelor's or higher	46.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	448	6.8%
Kindergarten	155	2.4%
Elementary school	2,233	33.9%
High school	1,591	24.1%
College / grad school	2,162	32.8%

Employment

Industry of employment

Education & healthcare 31.8%

Professional & management 10.6%

Retail trade 8.9%

Finance & real estate 8.8%

Manufacturing 7.9%

Construction 7.3%

Arts, food & hospitality 6.6%

Public administration 5.7%

Transportation & utilities 4.6%

Other services 3.7%

Wholesale trade 2.4%

Information 1.2%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	54.8%
Service	11.0%
Sales & office	20.7%
Natural resources & construction	6.0%
Production & transportation	7.5%

Employment type

Type	%
Private sector	75.0%
Government	18.4%
Self-employed	5.9%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	73.3%
Carpool	6.4%
Public transit	1.2%
Walk	0.7%
Work from home	14.7%
Other means	3.8%
Avg commute (minutes)	30.8

Poverty

All people 6.2%

Under 18 years 6.1%

18 and over 6.2%

Married-couple families 3.8%

Female-led households 15.8%

Income support

Source	% of households
Social Security	35.7%
Retirement income	32.1%
Supplemental Security	3.5%
Cash public assistance	1.8%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
Obesity	32.1%
High blood pressure	29.4%
High cholesterol	33.6%
Diabetes	9.1%
Heart disease	5.3%
Stroke	2.4%
Asthma	9.0%
Arthritis	21.6%
Kidney disease	2.5%
Pulmonary disease	4.8%
Cancer	6.8%

Behavior / access	%
Smoking	9.1%
Binge drinking	17.9%
No physical activity	16.1%
Less than 7 hrs sleep	32.6%
Depression	15.8%
Fair or poor health	10.6%
Poor mental health	12.1%
Poor physical health	8.2%
No health insurance	8.0%
Visited doctor (checkup)	67.9%
Visited dentist	74.1%
Cholesterol screening	93.7%
Teeth loss	7.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,249	5.9%

Disability	%
Any disability	10.5%
Under 18	1.5%
18–64 years	6.9%
65 and over	29.1%

Health insurance coverage

Type	%
Private insurance	77.4%
Public insurance	32.6%
No insurance	3.1%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,008	95.8%
Spanish	1,555	6.2%
Other Indo-European	577	2.3%
Asian & Pacific Islander	198	0.8%
Other languages	636	2.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,806	83.5%
Born in same state	21,563	82.6%
Born in different state	16,876	64.6%
Foreign born	243	0.9%
Naturalized citizen	4,310	16.5%
Not a US citizen	3,573	82.9%

Ancestry

Ancestry	Count	%
French	2,590	9.9%
Italian	2,259	8.6%
Arab	705	2.7%
Polish	588	2.3%
English	166	0.6%

Ancestry	Count	%
Irish	165	0.6%
German	103	0.4%
Dutch	16	0.1%
Norwegian	12	0%

Technology access

Metric	% of households
Computer access	33.9%
Internet access	98.2%

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

Frequently asked questions about ZIP code 91784

What city is ZIP code 91784 in?

ZIP code 91784 is primarily assigned to Upland, California.

What county is ZIP code 91784 in?

ZIP code 91784 falls within San Bernardino County, California.

Is ZIP code 91784 mostly owner-occupied?

85% of occupied units in ZIP code 91784 are owner-occupied, well above the national average.

How educated is the population of ZIP code 91784?

47% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 91784 have a large retiree population?

36% of households in ZIP code 91784 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 91784?

The median household income in ZIP code 91784 is $145,496, above the national median of ~$75,000.

What timezone is ZIP code 91784 in?

ZIP code 91784 observes the PST timezone.