PlainZIP

Mount Hamilton, CA · standard

ZIP Code 95140

Santa Clara County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

191
1/sq mi
$163,594
Median income
66.7%
Bachelor's or higher

The verdict

Mount Hamilton pairs a top-decile household income, in a rural, homeowner-dominated area.

Top 3%
household income, US ZIPs
1
people per sq mi
100%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 95140 against every reporting US ZIP.

ZIP code 95140 is a sparsely populated ZIP (a standard USPS delivery area) in Mount Hamilton, Santa Clara County, California, home to just 191 residents across 318.3 square miles, a density of 1 people per square mile, in the Los Angeles time zone.

ZIP 95140 skews affluent, with a median household income of $163,594 (61% above the California average), while per-capita income is $180,905. 14.3% of residents live below the poverty line, and the unemployment rate reads 25.0%. Median home value sits at -, median rent at - a month, and owner-occupancy at 100.0%.

This is a highly-educated ZIP: 66.7% of adults hold a bachelor's degree or higher, the median age is 62.1, and the average commute is -. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 95140, plus 6 more within Santa Clara County, give a clearer read than the national average alone.

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 →

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 95140, Mount Hamilton, 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

191

Population

318.3

Area (sq mi)

1

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 95140?

62.1

Median Age

54.8%

Male

45.2%

Female

35.7%

Foreign-Born

White 64.3%
African American 0.0%
Asian 23.8%
American Indian or Alaska Native 11.9%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 11.9%

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?

$163,594

Median Household Income

+61% vs state

$180,905

Per Capita Income

14.3%

Poverty Rate

25.0%

Unemployment Rate

How ZIP 95140 ranks nationally

Mount Hamilton, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$163,594 Top 3% higher than 97% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). This entry sits in this band. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 81.0%
Bachelor's Degree or Higher 66.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

35

Total Housing Units

29

Occupied Units

6

Vacant Units

1.45

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

1991

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 95140, employing approximately 68 people with a combined annual payroll of $3,112,000.

8

Businesses

68

Employees

$3.1M

Annual Payroll

0

Industry Sectors

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 95140 vs 94550 →

ZIP 95140 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 95140 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 95140 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 95140 ranks #5 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
94550 Livermore, CA 46,896 9.7 mi
95135 San Jose, CA 20,120 8.0 mi
95132 San Jose, CA 40,299 8.4 mi
95138 San Jose, CA 18,889 11.7 mi

More ZIP Codes in Santa Clara County

95035 standard
Milpitas, CA
Pop: 66,943
95123 standard
San Jose, CA
Pop: 62,228
95127 standard
San Jose, CA
Pop: 61,325
95014 standard
Cupertino, CA
Pop: 60,717
95111 standard
San Jose, CA
Pop: 58,466
95020 standard
Gilroy, CA
Pop: 57,349

Related Areas

Santa Clara County Mount Hamilton, CA California

Frequently Asked Questions

What county is ZIP code 95140 in? ▼
ZIP code 95140 (Mount Hamilton) is located in Santa Clara County, California. Santa Clara County contains multiple ZIP codes, see the full list at /counties/santa-clara-ca.
What is the population of ZIP code 95140? ▼
ZIP code 95140 in Mount Hamilton, CA has a population of 191 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 95140? ▼
The median household income in ZIP 95140 is $163,594, which is 114% above the national average of $76,288.
What is the demographic makeup of ZIP 95140? ▼
The largest racial group in ZIP 95140 is White at 64.3%. Hispanic or Latino residents make up 11.9% of the population.
How many businesses are in ZIP code 95140? ▼
ZIP code 95140 has 8 business establishments employing approximately 68 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 95140? ▼
In ZIP code 95140, 81.0% of residents aged 25+ have a high school diploma or higher, and 66.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 95140? ▼
The poverty rate in ZIP code 95140 is 14.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.