ZIP Code Tabulation Area · California

ZIP Code 95318: Mariposa County, CA

ZIP Code 95318 (Mariposa County, California) has an estimated 582 residents in 323 households. The median household income is $57,097, the median home value is $276,900 and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 5 figures for this ZIP (unemployment, bachelor's or higher, owner-occupied, commute, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

582

Margin of error ±196

Median household income

$57,097

Margin of error ±$12,119

Median home value

$276,900

Margin of error ±$124,716

Median gross rent

—

Margin of error not available

Median age

45.3 yrs

Margin of error ±18.2 yrs

Mean travel time to work

17.6 min*

Margin of error ±13.2 min· estimate has a large margin of error

How ZIP 95318 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9531845.3 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 95318$57,097California$99,122United States$80,734

Per capita income

ZIP 95318$43,006California$49,513United States$44,673

Poverty rate

ZIP 953184.0%California12.0%United States12.5%

Unemployment rate

ZIP 953189.3%*California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9531870.3%*California37.1%United States35.7%

Median home value

ZIP 95318$276,900California$734,700United States$332,700

Median gross rent

ZIP 95318—California$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9531858.2%*California55.9%United States65.2%

Mean travel time to work

ZIP 9531817.6 min*California28.7 minUnited States26.4 min

Worked from home

ZIP 9531815.2%*California17.2%United States15.1%

All figures for ZIP 95318

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 95318 — ACS 2020–2024 5-year estimates
Measure	ZIP 95318	Margin of error	California	United States
Total population	582	±196	39,287,377	334,922,499
Median age	45.3 yrs	±18.2 yrs	37.9 yrs	38.9 yrs
Households	323	±132	13,548,091	129,227,496
Median household income	$57,097	±$12,119	$99,122	$80,734
Per capita income	$43,006	±$9,686	$49,513	$44,673
Poverty rate	4.0%	±6.4 pts	12.0%	12.5%
Unemployment rate	9.3%*	±15.1 pts	6.6%	5.2%
Bachelor's degree or higher	70.3%*	±23.8 pts	37.1%	35.7%
Median home value	$276,900	±$124,716	$734,700	$332,700
Median gross rent	—	—	$2,036/mo	$1,413/mo
Owner-occupied homes	58.2%*	±28.9 pts	55.9%	65.2%
Mean travel time to work	17.6 min*	±13.2 min	28.7 min	26.4 min
Worked from home	15.2%*	±14.6 pts	17.2%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 95318
Group	ZIP 95318	California	United States
White alone, not Hispanic or Latino	93.0%	33.8%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	5.2%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	1.5%	0.3%	0.5%
Asian alone, not Hispanic or Latino	0.0%	15.3%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.3%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.6%	0.6%
Two or more races, not Hispanic or Latino	0.0%	4.4%	4.3%
Hispanic or Latino (of any race)	5.5%	40.2%	19.3%

Where ZIP 95318 is

State: California
Main county: Mariposa County
Largest overlapping place: El Portal (3% of the ZIP's land area)
Land area: 57.11 sq mi· about 10 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Mariposa County

95306 Mariposa County, CA 95311 Mariposa County, CA 95338 Mariposa County, CA 95345 Mariposa County, CA 95389 Mariposa County, CA

See every ZIP code in California, or compare ZIP 95318 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.