Mariposa County, California Population 2021

Mariposa County, California's estimated population is 16,799 with a growth rate of -1.19% in the past year according to the most recent United States census data. Mariposa County, California is the 54th largest county in California. The 2010 Population was 18,277 and has seen a growth of -8.09% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202116,799-202-1.19%
202017,001-202-1.17%
201917,203-202-1.16%
201817,405-9-0.05%
201717,414-42-0.24%
201617,456-166-0.94%
201517,622-92-0.52%
201417,714-95-0.53%
201317,809-72-0.40%
201217,881-289-1.59%
201118,170-107-0.59%
201018,2773,97527.79%
199014,3023,19428.75%
198011,1085,09384.67%
19706,01595118.78%
19605,064-81-1.57%
19505,145-460-8.21%
19405,6052,37273.37%
19303,23345816.50%
19202,775-1,181-29.85%
19103,956-764-16.19%
19004,72093324.64%
18903,787-552-12.72%
18804,339-233-5.10%
18704,572-1,671-26.77%
18606,2431,86442.57%
18504,3790.00%
2021 Growth Rate
-1.19%
County Website
County Seat
2010 Population
18,277
Growth (since 2010)
-8.09%
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Mariposa County, California Population Growth

Population by Race

Race Population Percentage
White15,40288.42%
Two or More Races7554.33%
Some Other Race4152.38%
American Indian and Alaska Native3321.91%
Black or African American2531.45%
Asian2101.21%
Native Hawaiian and Other Pacific Islander530.30%
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Mariposa County, California Population by Race

Mariposa County, California Population Pyramid 2021

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Mariposa County, California Median Age

51.7


Total

51.1


Male

52.6


Female

Mariposa County, California Adults

There are 14,580 adults, (4,790 of whom are seniors) in Mariposa County, California.

Mariposa County, California Age Dependency

77.9

Age Dependency Ratio

48.9

Old Age Dependency Ratio

29

Child Dependency Ratio

Mariposa County, California Sex Ratio

Female

8,548

49.07%

Male

8,872

50.93%

Mariposa County, California Population by Age

Mariposa County, California Renter vs Owner Occupied by Household Type

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Mariposa County, California Household Types

Type Owner Renter
Married80.2%19.8%
All68.4%31.6%
Non Family60.5%39.5%
Female53.5%46.5%
Male41.6%58.4%

68.4%

Rate of Home Ownership

Mariposa County, California Households and Families

Type Count Average Size Owned
All7,6432.1368.4
Married3,7032.6880.2
Non Family2,8421.1660.5
Female6922.7353.5
Male4062.7741.6

2.63

Average Family Size

2.13

Average Household Size

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Mariposa County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4923.61%
9th to 12th Grade7915.80%
High School Graduate3,32024.35%
Some College4,24631.15%
Associates Degree1,43510.53%
Bachelors Degree2,16915.91%
Graduate Degree1,1798.65%
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Mariposa County, California Educational Attainment by Sex (over 25)

Mariposa County, California Educational Attainment by Race

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Name Total High School Bachelors
White11,17510,3922,994
Hispanic1,2891,023130
Multiple Races547463120
Other Race32124536
Native American249173
Asian19316576
Black19112516
Islander535339

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 73.58%.

Mariposa County, California Educational Attainment by Race

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Name Average Male Female
Overall$31,356$35,331$27,858
Less Than High School$26,842$25,855$29,583
High School Grad$28,152$31,758$23,809
Some College$28,787$30,951$25,269
Bachelors Degree$43,750$47,961$38,375
Graduate Degree$47,791$48,125$47,689

$31,356

Average Earnings

$35,331

Average Male

$27,858

Average Female

Mariposa County, California Earnings by Educational Attainment

Mariposa County, California Language by Age

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Mariposa County, California Language

90.42% of Mariposa County, California residents speak only English, while 9.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.70% of the population.

Mariposa County, California Language

Mariposa County, California Poverty by Race

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Name Total In Poverty Poverty Rate
White13,8351,81413.11%
Hispanic1,90035418.63%
Multiple74117323.35%
Black23814962.61%
Native3329027.11%
Asian2034924.14%
Other4074310.57%

15.19%

Overall Poverty Rate

14.31%

Male Poverty Rate

16.10%

Female Poverty Rate

Poverty in Mariposa County, California

The race most likely to be in poverty in Mariposa County, California is Black, with 62.61% below the poverty level.

The race least likely to be in poverty in Mariposa County, California is Other, with 10.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.27%. Among those working part-time, it was 19.41%, and for those that did not work, the poverty rate was 16.10%.

Mariposa County, California Poverty

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Name Poverty
Less Than High School19.69%
Some College14.63%
High School12.20%
Bachelors or Greater7.22%

Mariposa County, California Poverty Rate by Education

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Name Poverty
Male Unemployed46.93%
Female Unemployed40.90%
Male Employed8.22%
Female Employed7.82%

Mariposa County, California Poverty Rate by Employment Status and Sex

Mariposa County, California Income by Household Type

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Name Median Mean
Households$48,820$61,727
Families$60,304$73,529
Married Families$69,583-
Non Families$25,265$38,788
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Income by Household Type

Mariposa County, California Marital Status

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Marriage Rates

54.1%

Overall Marriage Rate

55.0%

Male Marriage Rate

53.0%

Female Marriage Rate

Mariposa County, California Married by Age and Sex

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Mariposa County, California Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Mariposa County, California Marital Status by Race

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Mariposa County, California Marital Status

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1,485

Number of Veterans

1,434

Male Veterans

51

Female Veterans

War Veterans
Vietnam688
Korea166
Second Gulf War148
First Gulf War122
World War II52

Mariposa County, California Veterans by War

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Age Group Veterans
75+500
65 to 74465
55 to 64291
35 to 54142
18 to 3487

Mariposa County, California Veterans by Age

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Name Veterans % of Total
White1,40910.94%
2 or More294.85%
Hispanic281.98%
Indian2510.04%
Hawaiian1426.42%
Asian63.08%
Other20.50%

Mariposa County, California Veterans by Race

Mariposa County, California Veterans by Education

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5.78%

Veteran Poverty Rate

39.09%

Veteran Disability Rate

Mariposa County, California Veterans by Education

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51.8%

Labor Force Participation

47.5%

Employment Rate

8.3%

Unemployment Rate

Mariposa County, California Employment by Age

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Mariposa County, California Employment by Race

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Mariposa County, California Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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68.32%

Born in California

94.15%

Native Born

5.85%

Foreign Born

3.10%

Non Citizen

2.75%

Naturalized

Place of Birth

94.15% of Mariposa County, California residents were born in the United States, with 68.32% having been born in California. 3.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Mariposa County, California Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources