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 Low-density area
- $163,594
- Median income Above-median income area
- 66.7%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average California ZIP), while per-capita income is $180,905. Unemployment is 25.0%, an important qualifier alongside the household-income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Santa Clara County, so 95140 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 →
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
Who lives in ZIP 95140?
62.1
Median Age
54.8%
Male
45.2%
Female
35.7%
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?
$163,594
Median Household Income
+61% vs state ZIP avg
$180,905
Per Capita Income
14.3%
Poverty Rate
25.0%
Unemployment Rate
How ZIP 95140 ranks among California ZIPs
Mount Hamilton, CA household income vs. every California ZIP code
Median household income among 1,583 reporting California ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$163,594 Top 9% higher than 91% of 1,583 California ZIPs
Each bar is a $20K-wide band; taller bars hold more California 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
35housing units
35
Total Housing Units
29
Occupied Units
6
Vacant Units
1.45
Avg Household Size
Occupancy Type
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.
- 94550
Livermore (94550)
46,896 residents
- 95132
San Jose (95132)
40,299 residents
- 95135
San Jose (95135)
20,120 residents
- 95138
San Jose (95138)
18,889 residents
- 95140 191
Mount Hamilton (95140)
191 residents
What this shows Among its immediate neighbors, ZIP 95140 ranks #5 by population - useful context the national average alone can't give.
ZIP 95140 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 95138
San Jose (95138)
$204,476 median income
- 95135
San Jose (95135)
$190,750 median income
- 94550
Livermore (94550)
$180,295 median income
- 95132
San Jose (95132)
$178,611 median income
- 95140
Mount Hamilton (95140)
$163,594 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 95140, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Santa Clara County
Related Areas
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.
Related
Take this with you
What to do with ZIP 95140's numbers, next.
- See how ZIP 95140 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mount Hamilton, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.