95310 ZIP Code — Columbia, CA

Tuolumne County, California

ZIP code 95310 is located in Columbia, California, within Tuolumne County. It covers approximately 44.73 square miles and serves a population of 1,849 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 209.

About ZIP code 95310

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $376,700. Owner-occupancy sits near the national average at 73%.

Median household income is $55,543. SNAP benefit usage at 19% of households reflects economic stress in the area. 50% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%; and disability rates above the national average at 23%.

Overall, ZIP code 95310 reflects a community defined by a strong veteran community, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,849

population

44.73

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

95310 ZIP code map

Cities in ZIP code 95310

Below are the cities the US Postal Service accepts for ZIP code 95310. Using any city not on this list may result in mail delivery delays.

City	Status
Columbia	Preferred

Nearby ZIP codes

95370 Sonora (4.7 mi) 95247 Murphys (4.9 mi) 95251 Vallecito (5.3 mi) 95372 Soulsbyville (8.4 mi) 95222 Angels Camp (10 mi) 95383 Twain Harte (10.2 mi) 95379 Tuolumne (12.2 mi) 95327 Jamestown (13 mi) 95346 Mi Wuk Village (13.6 mi) 95246 Mountain Ranch (13.7 mi) 95249 San Andreas (14.1 mi) 95228 Copperopolis (18.1 mi)

Demographics updated 06/2026

Population
Total population	1,849
Population density	41 / sq mi
State FIPS	06
County FIPS	109

Geography
Land area	44.73 sq mi
Water area	1.03 sq mi
Latitude	38.0511
Longitude	-120.3970
Timezone	Pacific (PT)
Area code	209

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.6%	41.6%	32.6%
$50k – $100k	14.4%	29.6%	27.7%
$100k – $200k	16.4%	22.6%	26.4%
Over $200k	2.5%	6.2%	13.3%

Demographics & statistics

1,849

Population

People per sq mi

48.0

Median age

$55,543

Median household income

$33,865

Per capita income

$376,700

Median home value

$795

Median monthly rent

72.6%

Home ownership

17.0%

Poverty rate

5.7%

Unemployment

711

Housing units

25.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

112

45–54

122

55–59

60–64

149

65–74

162

110

75–84

119

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	428	23.1%
18 and over	1,421	76.9%
65 and over	617	33.4%
Median age	48.0 years

Race & ethnicity

White 85.2%

Hispanic or Latino 6.8%

Two or more races 4.3%

Other race 3%

Black or African American 0.6%

Asian 0.2%

Group	Count	%
White	1,691	85.2%
Hispanic or Latino	135	6.8%
Two or more races	85	4.3%
Other race	59	3%
Black or African American	11	0.6%
Asian	3	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.6%	41.6%	32.6%
$50k – $100k	14.4%	29.6%	27.7%
$100k – $200k	16.4%	22.6%	26.4%
Over $200k	2.5%	6.2%	13.3%

Under $10k 3.5%

$10k–$15k 13.4%

$15k–$25k 11.8%

$25k–$35k 3.9%

$35k–$50k 16.8%

$50k–$75k 14.8%

$75k–$100k 7.6%

$100k–$150k 13.9%

$150k–$200k 8.6%

$200k+ 5.8%

Range	% of households
Under $10k	3.5%
$10k–$15k	13.4%
$15k–$25k	11.8%
$25k–$35k	3.9%
$35k–$50k	16.8%
$50k–$75k	14.8%
$75k–$100k	7.6%
$100k–$150k	13.9%
$150k–$200k	8.6%
$200k+	5.8%
Median income	$55,543

Housing

Home values

Under $50k 5.6%

$50k–$100k 2.7%

$100k–$150k 2.7%

$150k–$200k 2.9%

$200k–$300k 18.0%

$300k–$500k 33.0%

$500k–$1M 28.8%

$1M+ 6.3%

Housing overview

Metric	Value
Median home value	$376,700
Median rent / month	$795
Owner occupied	72.6%
Renter occupied	27.4%
Vacant	17.0%
Single-family detached	68.0%
Large apartment buildings	0.0%
Mobile homes	8.5%
Median rooms	4.9
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	4.8%
2000–2009	19.9%
1990–1999	2.7%
1980–1989	30.5%
1970–1979	23.4%
1960–1969	10.8%
1950–1959	3.3%
1940–1949	0.0%
1939 or earlier	4.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	12.0%
2 bedrooms	29.5%
3 bedrooms	49.3%
4 bedrooms	6.6%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	9.2%
1 vehicle	32.3%
2 vehicles	26.8%
3 or more	31.7%

Heating fuel

Fuel type	%
Utility gas	6.8%
Electricity	36.4%
Propane / LP gas	33.0%
Wood	17.9%
No fuel used	5.9%

Households & families

Household type	Count	%
Married-couple family	273	35.7%
Cohabiting couple	0	0.0%
Male householder, no spouse	225	29.5%
Female householder, no spouse	266	34.8%
Households with children under 18	186	24.3%
Households with seniors (65+)	458	59.9%
Average household size	2.42

Marital status

Status	Male	Female
Never married	22.0%	20.7%
Married	52.6%	48.1%
Separated	3.3%	1.0%
Widowed	5.0%	12.7%
Divorced	17.2%	17.4%

Education

Less than 9th grade 0.0%

Some HS, no diploma 12.9%

HS graduate 16.5%

Some college, no degree 37.0%

Associate's degree 8.0%

Bachelor's degree 17.1%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	87.1%
Bachelor's or higher	25.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	42	9.1%
Kindergarten	75	16.2%
Elementary school	132	28.5%
High school	126	27.2%
College / grad school	88	19.0%

Employment

Industry of employment

Professional & management 18.4%

Education & healthcare 17.8%

Agriculture & mining 11.4%

Construction 10.9%

Retail trade 10.4%

Transportation & utilities 9.1%

Public administration 9.1%

Other services 7.0%

Arts, food & hospitality 5.5%

Wholesale trade 0.4%

Occupation

Category	%
Management, business & arts	29.1%
Service	22.7%
Sales & office	13.7%
Natural resources & construction	17.0%
Production & transportation	17.5%

Employment type

Type	%
Private sector	72.0%
Government	14.5%
Self-employed	13.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.1%
Carpool	9.8%
Public transit	0.0%
Walk	0.0%
Work from home	14.0%
Other means	0.0%
Avg commute (minutes)	24.0

Poverty

All people 17.0%

Under 18 years 10.4%

18 and over 18.9%

Married-couple families 6.2%

Female-led households 45.5%

Income support

Source	% of households
Social Security	49.6%
Retirement income	29.5%
Supplemental Security	2.9%
Cash public assistance	0.0%
Food stamps / SNAP	19.0%

Health indicators

Condition	%
Obesity	30.4%
High blood pressure	39.6%
High cholesterol	38.5%
Diabetes	13.4%
Heart disease	9.7%
Stroke	4.6%
Asthma	10.9%
Arthritis	33.0%
Kidney disease	4.1%
Pulmonary disease	11.0%
Cancer	8.9%

Behavior / access	%
Smoking	16.0%
Binge drinking	15.6%
No physical activity	23.3%
Less than 7 hrs sleep	30.7%
Depression	20.1%
Fair or poor health	19.6%
Poor mental health	15.3%
Poor physical health	14.4%
No health insurance	9.8%
Visited doctor (checkup)	71.7%
Visited dentist	61.5%
Cholesterol screening	92.6%
Teeth loss	14.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	193	13.6%

Disability	%
Any disability	23.4%
Under 18	0.0%
18–64 years	17.9%
65 and over	46.8%

Health insurance coverage

Type	%
Private insurance	61.2%
Public insurance	49.7%
No insurance	9.2%
Uninsured under 19	14.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,796	97.1%
Spanish	21	1.2%
Other Indo-European	21	1.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,749	94.6%
Born in same state	1,730	93.6%
Born in different state	1,388	75.1%
Foreign born	19	1.0%
Naturalized citizen	100	5.4%
Not a US citizen	88	88.0%

Ancestry

Ancestry	Count	%
French	511	27.6%
Italian	314	17%
Arab	51	2.8%
Dutch	43	2.3%

Ancestry	Count	%
English	41	2.2%
German	22	1.2%
Polish	7	0.4%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	93.1%

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

Frequently asked questions about ZIP code 95310

What city is ZIP code 95310 in?

ZIP code 95310 is primarily assigned to Columbia, California.

What county is ZIP code 95310 in?

ZIP code 95310 falls within Tuolumne County, California.

Does ZIP code 95310 have an older population?

33% of residents in ZIP code 95310 are 65 or older, above the national average of ~17%.

Does ZIP code 95310 have a large retiree population?

50% of households in ZIP code 95310 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 95310?

17% of residents in ZIP code 95310 live below the poverty line, above the national average.

Does ZIP code 95310 have a large veteran population?

14% of civilians in ZIP code 95310 are veterans, above the national average of ~7%.

What timezone is ZIP code 95310 in?

ZIP code 95310 observes the PST timezone.