Mariposa County, California Demographics 2026

Name: Mariposa County, California Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Mariposa County, California has a population of 17,082, the 53rd most populous county in California. The median household income is $68,412 and the median home value is $387,900. The poverty rate is 14.0%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Mariposa County Quick Facts

Population 17,082

Median Household Income $68,412

Median Home Value $387,900

Poverty Rate 14.0%

Unemployment Rate 6.0%

Median Age 51.2 years

Homeownership Rate 74.7%

Affordability Ratio 5.7x

Bachelor's Degree+ 31.8%

High School Graduation 90.3%

Cities/Places 12

Population 17,082 53rd of 58

Median Income $68,412 31% lower than state

Poverty Rate 14.0%

Unemployment 6.0%

How Mariposa County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	17,060	17,082	+0.1%
Median household income	$65,378	$68,412	+4.6%
Median home value	$358,000	$387,900	+8.4%

Median Household Income

Mariposa

$68,412

$99,122

National

$80,734

Median Home Value

Mariposa

$387,900

$734,700

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 17.3%

$25K-$50K 18.4%

$50K-$100K 29.6%

$100K+ 34.6%

Detailed income brackets

Under $10K

3.3%

$10K-$15K

6.9%

$15K-$20K

3.0%

$20K-$25K

4.1%

$25K-$30K

4.8%

$30K-$35K

4.0%

$35K-$40K

4.0%

$40K-$45K

3.1%

$45K-$50K

2.5%

$50K-$60K

7.8%

$60K-$75K

10.6%

$75K-$100K

11.2%

$100K-$125K

8.8%

$125K-$150K

9.2%

$150K-$200K

7.6%

$200K+

9.0%

Employment

6.0% Unemployment Rate State: 6.6%|National: 5.2%

55.9% Labor Force Participation

Housing Overview

Owner 74.7%

Renter 25.3%

Affordability Index Expensive

5.7x home value to income ratio

Median gross rent $1,305/mo 22.9% of median household income annually

People & Demographics

Age Distribution

Under 18

17.2%

18-34

15.8%

35-54

21.2%

55-74

32.7%

75+

13.1%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 70 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Mariposa County

City	Population	Median Income	Poverty	Home Value
Yosemite Valley	1,991	$34,282	21.0%	N/A
Lake Don Pedro	1,308	$85,104	0.0%	$404,600
Mariposa	1,137	$40,772	37.0%	$270,900
Greeley Hill	958	$36,771	33.4%	$322,600
Catheys Valley	939	$81,302	11.5%	$400,000
El Portal	505	$55,847	4.5%	$247,800
Bootjack	400	$105,000	10.3%	$386,600
Bear Valley (Mariposa County)	214	N/A	20.1%	$584,800
Midpines	160	N/A	0.0%	N/A
Wawona	125	$70,353	0.0%	$750,000
Mt. Bullion	71	N/A	0.0%	$309,400
Yosemite West	31	N/A	3.2%	N/A

Explore California Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Mariposa County is located in California with a total population of 17,082. It is the 53rd most populous county out of 58 in California. The county encompasses 12 Census-designated places.

Age Demographics

The median age in Mariposa County is 51.2 years. This is 35% higher than the state median of 37.9 years. 13.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Mariposa County is $68,412. This is 31% lower than the state median of $99,122. It is also 15% lower than the national median of $80,734. The poverty rate stands at 14.0%. This is 17% higher than the state poverty rate of 12.0%. The unemployment rate is 6.0%. This is 10% lower than the state rate of 6.6%. The median home value is $387,900. Housing costs are 47% lower than the state median of $734,700. The home-value-to-income ratio is 5.7x. 74.7% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 55.9%.

Race & Ethnicity

The largest racial or ethnic group in Mariposa County is White (non-Hispanic), making up 74.1% of the population. Hispanic or Latino residents account for 14.7%. The White (non-Hispanic) population is significantly higher than the state average (74.1% vs 33.8%). The Black or African American population (0.9%) is well below the state average of 5.2%. The Hispanic or Latino population (14.7%) is well below the state average of 40.2%. The Asian population (1.9%) is well below the state average of 15.3%.

Education

31.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.3%.

Data Sources & Methodology

All figures for Mariposa County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against California and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Mariposa County, California?

Mariposa County has a population of 17,082, making it the 53rd most populous county in California.

What is the median income in Mariposa County?

The median household income in Mariposa County is $68,412 with a poverty rate of 14.0%.

How many cities are in Mariposa County, California?

Mariposa County contains 12 Census-designated places.