Pasadena, CA · standard
ZIP Code 91101
Los Angeles County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 20,460
- 5,940/sq mi
- $87,813
- Median income
- $682,300
- Median home value
- 60.1%
- Bachelor's or higher
The verdict
Pasadena pairs an above-median household income with top-decile home values, in a suburban-density, renter-heavy area.
- Top 29%
- household income, US ZIPs
- Top 7%
- home value, US ZIPs
- 5,940
- people per sq mi
- 15%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91101 against every reporting US ZIP.
ZIP code 91101 is classified by USPS as a standard delivery area and covers roughly 3.4 square miles in Pasadena, Los Angeles County, California. The area is home to 20,460 residents, producing a population density of 5,940 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 91101 against California and the nation.
On the economic side, the median household income for ZIP 91101 sits at $87,813 (14% below the California average), while per-capita income is $62,821. The poverty rate stands at 19.6% and the unemployment rate at 5.1%. On housing, the median home value is $682,300 (12% below the state average) with median rent at $2,270 per month, and 15.2% of occupied units are owner-occupied, a direct signal of whether 91101 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 60.1% of adults hold a bachelor's degree or higher, the median age is 36.5, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Los Angeles County, so you can benchmark 91101 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 91101
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 91101.
- Professional, scientific, and technical services
Professional, scientific, and technical services
547 establishments
- Health care and social assistance
Health care and social assistance
360 establishments
- Finance and insurance
Finance and insurance
252 establishments
- Real estate and rental and leasing 183
Real estate and rental and leasing
183 establishments
- Other services (except public administration) 166
Other services (except public administration)
166 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 91101, Pasadena, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
20,460
Population
3.4
Area (sq mi)
5,940
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 91101?
36.5
Median Age
46.8%
Male
53.2%
Female
30.4%
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?
$87,813
Median Household Income
-14% vs state
$62,821
Per Capita Income
19.6%
Poverty Rate
5.1%
Unemployment Rate
23.9 min
Mean Commute Time
How ZIP 91101 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$87,813 Top 29% higher than 71% 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?
12,408
Total Housing Units
11,507
Occupied Units
901
Vacant Units
1.76
Avg Household Size
Occupancy Type
$682,300
Median Home Value
-12% vs state
$2,270
Median Rent
1978
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
+6.2%
YoY Change (2021)
386
HPI Index (2000 = 100)
+286%
Total Change Since 2000
Home values in ZIP 91101 have increased 6.2% over the past year (2021). Since 2000, this ZIP has seen +286% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2017 | +5.6% | 311 |
| 2018 | +6.2% | 330 |
| 2019 | -4.9% | 314 |
| 2020 | +15.9% | 364 |
| 2021 | +6.2% | 386 |
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 2021. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 2,134 business establishments in ZIP 91101, employing approximately 26,920 people with a combined annual payroll of $2,792,541,000.
2,134
Businesses
26,920
Employees
$2.8B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 547 | 25.6% |
| Health care and social assistance | 360 | 16.9% |
| Finance and insurance | 252 | 11.8% |
| Real estate and rental and leasing | 183 | 8.6% |
| Other services (except public administration) | 166 | 7.8% |
| Accommodation and food services | 130 | 6.1% |
| Retail trade | 110 | 5.2% |
| Arts, entertainment, and recreation | 99 | 4.6% |
| Administrative and support and waste management and remediation services | 77 | 3.6% |
| Information | 60 | 2.8% |
| Construction | 41 | 1.9% |
| Wholesale trade | 37 | 1.7% |
| Educational services | 35 | 1.6% |
| Management of companies and enterprises | 15 | 0.7% |
| Transportation and warehousing | 11 | 0.5% |
| Manufacturing | 9 | 0.4% |
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 91101 vs 91106 →
ZIP 91101 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91801
Alhambra (91801)
52,735 residents
- 91104
Pasadena (91104)
36,751 residents
- 91001
Altadena (91001)
36,126 residents
- 91107
Pasadena (91107)
32,940 residents
- 91103
Pasadena (91103)
27,480 residents
- 90041
Los Angeles (90041)
27,425 residents
- 91030
South Pasadena (91030)
25,616 residents
- 91106
Pasadena (91106)
24,229 residents
- 91101 20,460
Pasadena (91101)
20,460 residents
What this shows Among its immediate neighbors, ZIP 91101 ranks #9 by population — useful context the national average alone can't give.
ZIP 91101 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91108
San Marino (91108)
$204,847 median income
- 91105
Pasadena (91105)
$156,791 median income
- 91001
Altadena (91001)
$134,903 median income
- 91030
South Pasadena (91030)
$127,175 median income
- 91107
Pasadena (91107)
$126,449 median income
- 90041
Los Angeles (90041)
$114,526 median income
- 91104
Pasadena (91104)
$105,958 median income
- 91103
Pasadena (91103)
$93,660 median income
- 91106
Pasadena (91106)
$90,028 median income
What this shows By household income, ZIP 91101 ranks #null of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 91106 | Pasadena, CA | 24,229 | 0.8 mi |
| 91105 | Pasadena, CA | 11,254 | 1.7 mi |
| 91104 | Pasadena, CA | 36,751 | 1.7 mi |
| 91103 | Pasadena, CA | 27,480 | 2.2 mi |
| 91108 | San Marino, CA | 13,361 | 2.2 mi |
| 91001 | Altadena, CA | 36,126 | 3.4 mi |
| 91030 | South Pasadena, CA | 25,616 | 2.7 mi |
| 91107 | Pasadena, CA | 32,940 | 3.1 mi |
| 91801 | Alhambra, CA | 52,735 | 3.9 mi |
| 90041 | Los Angeles, CA | 27,425 | 3.9 mi |
More ZIP Codes in Los Angeles County
Related Areas
Frequently Asked Questions
What county is ZIP code 91101 in? ▼
What is the population of ZIP code 91101? ▼
What is the median household income in ZIP 91101? ▼
What is the average home value in ZIP 91101? ▼
What is the demographic makeup of ZIP 91101? ▼
How many businesses are in ZIP code 91101? ▼
What are the main industries in ZIP code 91101? ▼
How have home values changed in ZIP code 91101? ▼
What is the education level in ZIP code 91101? ▼
What is the average commute time in ZIP 91101? ▼
What percentage of residents own vs. rent in ZIP 91101? ▼
What is the poverty rate in ZIP code 91101? ▼
ZIP Code Research Guides
Official Data Resources for Pasadena, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.