95305 ZIP Code — Big Oak Flat, CA

Tuolumne County, California

ZIP code 95305 is located in Big Oak Flat, California, within Tuolumne County. It covers approximately 58.26 square miles and serves a population of 158 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 209.

158
population
58.26
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
95305 ZIP code map
Cities in ZIP code 95305

Below are the cities the US Postal Service accepts for ZIP code 95305. Using any city not on this list may result in mail delivery delays.

City Status
Big Oak Flat Acceptable
Demographics updated 06/2026
Population
Total population 158
Population density 3 / sq mi
State FIPS 06
County FIPS 109
Geography
Land area 58.26 sq mi
Water area 2.25 sq mi
Latitude 37.8209
Longitude -120.2592
Timezone Pacific (PT)
Area code 209
Total population by age
Gender
Race & ethnicity

Demographics & statistics

158
Population
3
People per sq mi
67.3
Median age
$0
Median household income
$38,882
Per capita income
$0
Median home value
$0
Median monthly rent
48.2%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
102
Housing units
0.0%
Bachelor's or higher

Age distribution

Male Female
28
25–34
16
17
55–59
10
37
65–74
21
19
85+
10
← Male
Female →

Age summary

GroupCount%
Under 1800.0%
18 and over158100.0%
65 and over8755.1%
Median age67.3 years

Race & ethnicity

White 53.8%
Asian 27.8%
Two or more races 18.4%
GroupCount%
White8553.8%
Asian4427.8%
Two or more races2918.4%

Household income

$35k–$50k 51.8%
$75k–$100k 48.2%
Range% of households
$35k–$50k51.8%
$75k–$100k48.2%
Median income$0

Housing

Home values

$100k–$150k 100.0%

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied48.2%
Renter occupied51.8%
Vacant57.3%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms5.3
Avg household size (owned)2.07

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19899.2%
1970–197970.2%
1960–19690.0%
1950–19590.0%
1940–19490.0%
1939 or earlier20.6%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom22.1%
2 bedrooms20.6%
3 bedrooms9.2%
4 bedrooms48.1%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle51.8%
2 vehicles0.0%
3 or more48.2%

Heating fuel

Fuel type%
Electricity48.2%
Propane / LP gas51.8%

Households & families

Household typeCount%
Married-couple family56100.0%
Cohabiting couple00.0%
Male householder, no spouse00.0%
Female householder, no spouse00.0%
Households with children under 1800.0%
Households with seniors (65+)56100.0%
Average household size2.04

Marital status

StatusMaleFemale
Never married43.1%0.0%
Married56.9%100.0%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 18.4%
Some college, no degree 81.6%
Associate's degree 0.0%
Bachelor's degree 0.0%
Graduate / professional 0.0%
Metric%
HS diploma or higher100.0%
Bachelor's or higher0.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school00.0%
High school00.0%
College / grad school00.0%

Employment

Industry of employment

Wholesale trade 100.0%

Occupation

Category%
Management, business & arts100.0%
Service0.0%
Sales & office0.0%
Natural resources & construction0.0%
Production & transportation0.0%

Employment type

Type%
Private sector100.0%
Government0.0%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone0.0%
Carpool100.0%
Public transit0.0%
Walk0.0%
Work from home0.0%
Other means0.0%
Avg commute (minutes)0.0

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security100.0%
Retirement income100.0%
Supplemental Security48.2%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity28.8%
High blood pressure32.1%
High cholesterol33.7%
Diabetes10.0%
Heart disease6.8%
Stroke3.1%
Asthma10.4%
Arthritis25.9%
Kidney disease3.0%
Pulmonary disease7.6%
Cancer7.1%
Behavior / access%
Smoking14.0%
Binge drinking18.7%
No physical activity18.3%
Less than 7 hrs sleep30.4%
Depression20.1%
Fair or poor health14.3%
Poor mental health15.3%
Poor physical health11.3%
No health insurance8.1%
Visited doctor (checkup)68.4%
Visited dentist66.6%
Cholesterol screening92.0%
Teeth loss11.2%

Veterans & disability

VeteransCount%
Civilian veterans00.0%
Disability%
Any disability53.8%
Under 180.0%
18–64 years38.0%
65 and over66.7%

Health insurance coverage

Type%
Private insurance63.3%
Public insurance72.2%
No insurance0.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only158100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)158100.0%
Born in same state158100.0%
Born in different state158100.0%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
French11472.2%
Irish2918.4%
AncestryCount%
Italian2717.1%

Technology access

Metric% of households
Computer access35.4%
Internet access48.2%

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

Frequently asked questions about ZIP code 95305

What city is ZIP code 95305 in?

ZIP code 95305 is primarily assigned to Big Oak Flat, California.

What county is ZIP code 95305 in?

ZIP code 95305 falls within Tuolumne County, California.

Does ZIP code 95305 have a large retiree population?

100% of households in ZIP code 95305 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 95305 have an older population?

55% of residents in ZIP code 95305 are 65 or older, above the national average of ~17%.

What is the population of ZIP code 95305?

ZIP code 95305 has an estimated population of 158 residents, with a density of 3 people per square mile.

What timezone is ZIP code 95305 in?

ZIP code 95305 observes the PST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →