San Dimas, CA · standard
ZIP Code 91773
Los Angeles County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 33,119
- 894/sq mi High-density area
- $105,338
- Median income Above-median income area
- $800,700
- Median home value Above-median home value
- 40.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
San Dimas pairs an upper-quartile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 5%
- home value, US ZIPs
- 894
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91773 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 91773 (San Dimas, CA) rose +9.4% from 2023 to 2024. The all-transactions index moved from 330.4 in 2023 to 361.6 in 2024 (2000 = 100).
ZIP code 91773 is a densely settled ZIP (a standard USPS delivery area) in San Dimas, Los Angeles County, California, with 33,119 residents across 37.0 square miles, a density of 894 people per square mile, in the Los Angeles time zone.
ZIP 91773 lands in the middle-income range, with a median household income of $105,338 (4% above the average California ZIP), while per-capita income is $51,240. The poverty rate is 9.9%, with unemployment at 4.6%; those measures add context to the income figure. Median home value is $800,700 (4% above the average California ZIP) and median rent is $2,278; 72.3% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 40.4% of adults hold a bachelor's degree or higher, the median age is 43.2, and the average commute is 32 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Los Angeles County, so 91773 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 91773
Top 5 sectors by establishment count in San Dimas, CA
Which industries have the most business establishments in ZIP 91773.
- Health care and social assistance
Health care and social assistance
169 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
156 establishments
- Construction
Construction
135 establishments
- Other services (except public administration)
Other services (except public administration)
128 establishments
- Retail trade
Retail trade
120 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 91773, San Dimas, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
33,119
Population
37.0
Area (sq mi)
894
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 91773?
43.2
Median Age
48.1%
Male
51.9%
Female
21.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$105,338
Median Household Income
+4% vs state ZIP avg
$51,240
Per Capita Income
9.9%
Poverty Rate
4.6%
Unemployment Rate
31.6 min
Mean Commute Time
How ZIP 91773 ranks nationally
San Dimas, CA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$105,338 Top 16% higher than 84% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
12,303housing units
12,303
Total Housing Units
12,004
Occupied Units
299
Vacant Units
2.75
Avg Household Size
Occupancy Type
$800,700
Median Home Value
+4% vs state ZIP avg
$2,278
Median Rent
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+9.4%
YoY Change (2024)
362
HPI Index (2000 = 100)
+262%
Total Change Since 2000
Home values in ZIP 91773 have increased 9.4% over the past year (2024). Since 2000, this ZIP has seen +262% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.0% | 253 |
| 2021 | +12.3% | 284 |
| 2022 | +10.0% | 313 |
| 2023 | +5.7% | 330 |
| 2024 | +9.4% | 362 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 1,274 business establishments in ZIP 91773, employing approximately 21,548 people with a combined annual payroll of $1,353,005,000.
1,274
Businesses
21,548
Employees
$1.4B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 169 | 13.3% |
| Professional, scientific, and technical services | 156 | 12.2% |
| Construction | 135 | 10.6% |
| Other services (except public administration) | 128 | 10.1% |
| Retail trade | 120 | 9.4% |
| Wholesale trade | 104 | 8.2% |
| Accommodation and food services | 94 | 7.4% |
| Real estate and rental and leasing | 76 | 6.0% |
| Finance and insurance | 67 | 5.3% |
| Administrative and support and waste management and remediation services | 63 | 5.0% |
| Manufacturing | 52 | 4.1% |
| Transportation and warehousing | 35 | 2.8% |
| Educational services | 25 | 2.0% |
| Arts, entertainment, and recreation | 24 | 1.9% |
| Information | 14 | 1.1% |
| Utilities | 7 | 0.6% |
| Management of companies and enterprises | 4 | 0.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 91773 vs 91740 →
ZIP 91773 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91766
Pomona (91766)
71,599 residents
- 91767
Pomona (91767)
48,068 residents
- 91711
Claremont (91711)
35,705 residents
- 91768
Pomona (91768)
34,537 residents
- 91722
Covina (91722)
34,409 residents
- 91750
La Verne (91750)
33,249 residents
- 91773
San Dimas (91773)
33,119 residents
- 91724 26,184
Covina (91724)
26,184 residents
- 91741 25,824
Glendora (91741)
25,824 residents
What this shows Among its immediate neighbors, ZIP 91773 ranks #7 by population - useful context the national average alone can't give.
ZIP 91773 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91741
Glendora (91741)
$127,440 median income
- 91711
Claremont (91711)
$126,056 median income
- 91773
San Dimas (91773)
$105,338 median income
- 91750
La Verne (91750)
$104,195 median income
- 91724
Covina (91724)
$103,163 median income
- 91722
Covina (91722)
$102,062 median income
- 91740
Glendora (91740)
$99,083 median income
- 91723
Covina (91723)
$94,167 median income
- 91766
Pomona (91766)
$81,991 median income
What this shows By household income, ZIP 91773 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 91740 | Glendora, CA | 25,356 | 2.6 mi |
| 91768 | Pomona, CA | 34,537 | 3.4 mi |
| 91724 | Covina, CA | 26,184 | 3.3 mi |
| 91741 | Glendora, CA | 25,824 | 3.6 mi |
| 91750 | La Verne, CA | 33,249 | 4.1 mi |
| 91767 | Pomona, CA | 48,068 | 4.5 mi |
| 91723 | Covina, CA | 18,275 | 4.7 mi |
| 91722 | Covina, CA | 34,409 | 5.6 mi |
| 91711 | Claremont, CA | 35,705 | 5.5 mi |
| 91766 | Pomona, CA | 71,599 | 5.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 91773, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (33,119 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Los Angeles County
Related Areas
Frequently Asked Questions
What county is ZIP code 91773 in?
ZIP code 91773 (San Dimas) is located in Los Angeles County, California. Los Angeles County contains multiple ZIP codes, see the full list at /counties/los-angeles-ca.
What is the population of ZIP code 91773?
ZIP code 91773 in San Dimas, CA has a population of 33,119 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91773?
The median household income in ZIP 91773 is $105,338, which is 38% above the national average of $76,288.
What is the average home value in ZIP 91773?
The median home value in ZIP 91773 is $800,700, which is 188% above the national average of $278,155.
What is the demographic makeup of ZIP 91773?
The largest racial group in ZIP 91773 is White at 40.7%. Hispanic or Latino residents make up 41.0% of the population.
How many businesses are in ZIP code 91773?
ZIP code 91773 has 1,274 business establishments employing approximately 21,548 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91773?
The top industries by establishment count in ZIP 91773 are: Health care and social assistance (169), Professional, scientific, and technical services (156), Construction (135). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 91773?
According to the FHFA House Price Index, home values in ZIP 91773 increased by 9.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 262%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 91773?
In ZIP code 91773, 60.6% of residents aged 25+ have a high school diploma or higher, and 40.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 91773?
The mean commute time for workers in ZIP code 91773 is 31.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 91773?
In ZIP code 91773, approximately 72.3% of occupied housing units are owner-occupied and 27.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91773?
The poverty rate in ZIP code 91773 is 9.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 91773's numbers, next.
- See how ZIP 91773 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where San Dimas, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.