Sierra County, California Population 2021

Sierra County, California's estimated population is 3,021 with a growth rate of 0.27% in the past year according to the most recent United States census data. Sierra County, California is the 58th largest county in California. The 2010 Population was 3,220 and has seen a growth of -6.18% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
20213,02180.27%
20203,01380.27%
20193,00580.27%
20182,997-5-0.17%
20173,002511.73%
20162,951-34-1.14%
20152,985130.44%
20142,972-56-1.85%
20133,028-39-1.27%
20123,067-31-1.00%
20113,098-122-3.79%
20103,220-98-2.95%
19903,3182457.97%
19803,07370829.94%
19702,3651185.25%
19602,247-163-6.76%
19502,410-615-20.33%
19403,02560324.90%
19302,42263935.84%
19201,783-2,315-56.49%
19104,098812.02%
19004,017-1,034-20.47%
18905,051-1,572-23.74%
18806,6231,00417.87%
18705,619-5,768-50.65%
186011,3870.00%
2021 Growth Rate
0.27%
County Website
County Seat
2010 Population
3,220
Growth (since 2010)
-6.18%
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Sierra County, California Population Growth

Population by Race

Race Population Percentage
White2,96397.47%
American Indian and Alaska Native511.68%
Two or More Races240.79%
Black or African American20.07%
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Sierra County, California Population by Race

Sierra County, California Population Pyramid 2021

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Sierra County, California Median Age

54.8


Total

54.2


Male

55.6


Female

Sierra County, California Adults

There are 2,558 adults, (892 of whom are seniors) in Sierra County, California.

Sierra County, California Age Dependency

82.5

Age Dependency Ratio

53.5

Old Age Dependency Ratio

28.9

Child Dependency Ratio

Sierra County, California Sex Ratio

Female

1,415

46.55%

Male

1,625

53.45%

Sierra County, California Population by Age

Sierra County, California Renter vs Owner Occupied by Household Type

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Sierra County, California Household Types

Type Owner Renter
Married93.2%6.8%
Female76.3%23.8%
All75.4%24.6%
Non Family67.4%32.6%
Male24.1%75.9%

75.4%

Rate of Home Ownership

Sierra County, California Households and Families

Type Count Average Size Owned
All1,3192.2875.4
Married6162.4893.2
Non Family4821.2767.4
Male1413.9824.1
Female803.8476.3

2.67

Average Family Size

2.28

Average Household Size

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Sierra County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade311.28%
9th to 12th Grade1546.36%
High School Graduate76631.65%
Some College82233.97%
Associates Degree2138.80%
Bachelors Degree2058.47%
Graduate Degree2299.46%
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Sierra County, California Educational Attainment by Sex (over 25)

Sierra County, California Educational Attainment by Race

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Name Total High School Bachelors
White2,1372,058407
Hispanic23012510
Native American51294
Multiple Races242414
Black1

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

The highest rate of bachelors degrees is among multiple races people with a rate of 58.33%.

Sierra County, California Educational Attainment by Race

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Name Average Male Female
Overall$33,250$39,531$30,652
Less Than High School$18,636$19,261$
High School Grad$21,705$$21,875
Some College$32,950$56,761$23,833
Bachelors Degree$44,700$$
Graduate Degree$44,405$$44,167

$33,250

Average Earnings

$39,531

Average Male

$30,652

Average Female

Sierra County, California Earnings by Educational Attainment

Sierra County, California Language by Age

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Sierra County, California Language

90.30% of Sierra County, California residents speak only English, while 9.70% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.37% of the population.

Sierra County, California Language

Sierra County, California Poverty by Race

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Name Total In Poverty Poverty Rate
White2,6362429.18%
Hispanic324247.41%
Native512447.06%
Multiple2414.17%
Black11100.00%

9.66%

Overall Poverty Rate

9.34%

Male Poverty Rate

10.02%

Female Poverty Rate

Poverty in Sierra County, California

The race most likely to be in poverty in Sierra County, California is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in Sierra County, California is Multiple, with 4.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.03%. Among those working part-time, it was 8.93%, and for those that did not work, the poverty rate was 14.55%.

Sierra County, California Poverty

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Name Poverty
Less Than High School28.98%
High School14.08%
Some College6.16%
Bachelors or Greater0.23%

Sierra County, California Poverty Rate by Education

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Name Poverty
Male Employed6.57%
Male Unemployed3.33%
Female Employed0.50%
Female Unemployed0.00%

Sierra County, California Poverty Rate by Employment Status and Sex

Sierra County, California Income by Household Type

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Name Median Mean
Households$52,148$74,547
Families$74,583$92,681
Married Families$93,400-
Non Families$20,114$36,624
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Income by Household Type

Sierra County, California Marital Status

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Marriage Rates

49.8%

Overall Marriage Rate

47.8%

Male Marriage Rate

52.1%

Female Marriage Rate

Sierra County, California Married by Age and Sex

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Sierra 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 45-54.

Sierra County, California Marital Status by Race

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Sierra County, California Marital Status

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292

Number of Veterans

260

Male Veterans

32

Female Veterans

War Veterans
Vietnam140
Second Gulf War42
Korea12
First Gulf War5
World War II2

Sierra County, California Veterans by War

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Age Group Veterans
65 to 74146
75+75
18 to 3437
55 to 6419
35 to 5415

Sierra County, California Veterans by Age

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Name Veterans % of Total
White29111.73%
Indian11.96%

Sierra County, California Veterans by Race

Sierra County, California Veterans by Education

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0.00%

Veteran Poverty Rate

15.52%

Veteran Disability Rate

Sierra County, California Veterans by Education

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51.7%

Labor Force Participation

49%

Employment Rate

5.3%

Unemployment Rate

Sierra County, California Employment by Age

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Sierra County, California Employment by Race

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Sierra 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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49.47%

Born in California

97.70%

Native Born

2.30%

Foreign Born

1.71%

Non Citizen

0.59%

Naturalized

Place of Birth

97.70% of Sierra County, California residents were born in the United States, with 49.47% having been born in California. 1.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sierra 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