Placer County, California Population 2021

Placer County, California's estimated population is 410,327 with a growth rate of 1.48% in the past year according to the most recent United States census data. Placer County, California is the 23rd largest county in California. The 2010 Population was 350,021 and has seen a growth of 17.23% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021410,3275,9991.48%
2020404,3285,9991.51%
2019398,3295,9991.53%
2018392,3307,2151.87%
2017385,1156,1721.63%
2016378,9436,1021.64%
2015372,8413,6240.98%
2014369,2173,8191.05%
2013365,3985,1351.43%
2012360,2633,9351.10%
2011356,3286,3071.80%
2010350,021177,225102.56%
1990172,79655,54947.38%
1980117,24739,94151.67%
197077,30620,30835.63%
196056,99815,34936.85%
195041,64913,54148.17%
194028,1083,64014.88%
193024,4685,88431.66%
192018,5843471.90%
191018,2372,45115.53%
190015,7866854.54%
189015,1018696.11%
188014,2322,87525.31%
187011,357-1,913-14.42%
186013,2700.00%
2021 Growth Rate
1.48%
County Website
County Seat
2010 Population
350,021
Growth (since 2010)
17.23%
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Placer County, California Population Growth

Population by Race

Race Population Percentage
White316,71682.15%
Asian28,9097.50%
Two or More Races18,9934.93%
Some Other Race11,3582.95%
Black or African American6,6261.72%
American Indian and Alaska Native2,0520.53%
Native Hawaiian and Other Pacific Islander8580.22%
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Placer County, California Population by Race

Placer County, California Population Pyramid 2021

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Placer County, California Median Age

42


Total

40.8


Male

43.3


Female

Placer County, California Adults

There are 299,181 adults, (73,772 of whom are seniors) in Placer County, California.

Placer County, California Age Dependency

71

Age Dependency Ratio

32.7

Old Age Dependency Ratio

38.3

Child Dependency Ratio

Placer County, California Sex Ratio

Female

197,350

51.19%

Male

188,162

48.81%

Placer County, California Population by Age

Placer County, California Renter vs Owner Occupied by Household Type

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Placer County, California Household Types

Type Owner Renter
Married82.8%17.2%
All71.9%28.1%
Male60.6%39.4%
Non Family58.3%41.7%
Female51%49%

71.9%

Rate of Home Ownership

Placer County, California Households and Families

Type Count Average Size Owned
All142,8552.6771.9
Married82,2693.2482.8
Non Family42,4391.2858.3
Female12,3243.3551
Male5,8233.2460.6

3.18

Average Family Size

2.67

Average Household Size

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Placer County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5,8662.17%
9th to 12th Grade8,9113.30%
High School Graduate48,61417.98%
Some College69,52425.71%
Associates Degree30,10411.13%
Bachelors Degree71,51826.45%
Graduate Degree35,86013.26%
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Placer County, California Educational Attainment by Sex (over 25)

Placer County, California Educational Attainment by Race

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Name Total High School Bachelors
White206,879199,48583,279
Hispanic30,95625,3397,453
Asian20,49619,33412,225
Multiple Races7,8527,3232,778
Other Race7,0715,3391,443
Black4,4694,3231,701
Native American1,4291,281311
Islander658554197

The highest rate of high school graduation is among black people with a rate of 96.73%.

The highest rate of bachelors degrees is among asian people with a rate of 59.65%.

Placer County, California Educational Attainment by Race

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Name Average Male Female
Overall$54,502$66,958$44,875
Less Than High School$27,107$30,055$20,843
High School Grad$38,016$43,881$30,010
Some College$46,217$56,375$37,571
Bachelors Degree$74,676$92,361$55,639
Graduate Degree$91,924$107,259$79,980

$54,502

Average Earnings

$66,958

Average Male

$44,875

Average Female

Placer County, California Earnings by Educational Attainment

Placer County, California Language by Age

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Placer County, California Language

84.50% of Placer County, California residents speak only English, while 15.50% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.61% of the population.

Placer County, California Language

Placer County, California Poverty by Race

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Name Total In Poverty Poverty Rate
White277,97719,0736.86%
Hispanic53,2957,08813.30%
Asian28,7511,7005.91%
Other11,1081,53413.81%
Multiple18,8311,4257.57%
Black6,4425137.96%
Native2,02834617.06%
Islander83210612.74%

7.74%

Overall Poverty Rate

7.32%

Male Poverty Rate

8.14%

Female Poverty Rate

Poverty in Placer County, California

The race most likely to be in poverty in Placer County, California is Native, with 17.06% below the poverty level.

The race least likely to be in poverty in Placer County, California is Asian, with 5.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.83%. Among those working part-time, it was 8.82%, and for those that did not work, the poverty rate was 13.57%.

Placer County, California Poverty

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Name Poverty
Less Than High School20.27%
High School10.28%
Some College7.70%
Bachelors or Greater3.46%

Placer County, California Poverty Rate by Education

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Name Poverty
Male Unemployed20.00%
Female Unemployed15.12%
Female Employed4.38%
Male Employed3.51%

Placer County, California Poverty Rate by Employment Status and Sex

Placer County, California Income by Household Type

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Name Median Mean
Households$89,691$115,043
Families$108,448$132,678
Married Families$119,362$144,861
Non Families$48,108$68,421
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Income by Household Type

Placer County, California Marital Status

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Marriage Rates

56.2%

Overall Marriage Rate

58.1%

Male Marriage Rate

54.4%

Female Marriage Rate

Placer County, California Married by Age and Sex

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Placer 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.

Placer County, California Marital Status by Race

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Placer County, California Marital Status

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25,888

Number of Veterans

24,027

Male Veterans

1,861

Female Veterans

War Veterans
Vietnam10,400
First Gulf War4,634
Second Gulf War3,759
Korea2,840
World War II1,121

Placer County, California Veterans by War

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Age Group Veterans
75+7,708
65 to 747,512
35 to 545,236
55 to 643,809
18 to 341,623

Placer County, California Veterans by Age

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Name Veterans % of Total
White23,2679.31%
Hispanic1,8324.99%
2 or More7006.79%
Asian6733.00%
Black61212.28%
Indian29719.99%
Other2623.10%
Hawaiian7711.16%

Placer County, California Veterans by Race

Placer County, California Veterans by Education

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6.38%

Veteran Poverty Rate

26.26%

Veteran Disability Rate

Placer County, California Veterans by Education

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60.4%

Labor Force Participation

57.6%

Employment Rate

4.2%

Unemployment Rate

Placer County, California Employment by Age

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Placer County, California Employment by Race

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Placer 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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64.34%

Born in California

88.62%

Native Born

11.38%

Foreign Born

3.99%

Non Citizen

7.38%

Naturalized

Place of Birth

88.62% of Placer County, California residents were born in the United States, with 64.34% having been born in California. 3.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Placer 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