Walnut Creek, California Population 2021

70,812
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Walnut Creek is a city located in California. With a 2020 population of 70,812, it is the 126th largest city in California and the 521st largest city in the United States. Walnut Creek is currently growing at a rate of 0.46% annually and its population has increased by 10.35% since the most recent census, which recorded a population of 64,173 in 2010. Walnut Creek reached it's highest population of 70,812 in 2021. Spanning over 20 miles, Walnut Creek has a population density of 3,584 people per square mile.

The average household income in Walnut Creek is $141,473 with a poverty rate of 5.33%. The median rental costs in recent years comes to $2,095 per month, and the median house value is $793,100. The median age in Walnut Creek is 47.8 years, 45.1 years for males, and 50.4 years for females. For every 100 females there are 86.2 males.

Walnut Creek Demographics

According to the most recent ACS, the racial composition of Walnut Creek was:

  • White: 74.08%
  • Asian: 15.34%
  • Two or more races: 5.82%
  • Black or African American: 2.05%
  • Other race: 2.00%
  • Native Hawaiian or Pacific Islander: 0.48%
  • Native American: 0.23%
The current population of Walnut Creek, California is 70,812, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 69,843.The last official US Census in 2010 recorded the population at 64,173.

Walnut Creek, California Population 2021

Population by Race

Race Population Percentage
White51,53274.08%
Asian10,67515.34%
Two or More Races4,0475.82%
Black or African American1,4272.05%
Some Other Race1,3932.00%
Native Hawaiian and Other Pacific Islander3330.48%
American Indian and Alaska Native1600.23%
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Walnut Creek Population by Race

Walnut Creek Population Pyramid 2021

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Walnut Creek Median Age

47.8


Total

45.1


Male

50.4


Female

Walnut Creek Adults

There are 57,763 adults, (20,572 of whom are seniors) in Walnut Creek.

Walnut Creek Age Dependency

87.1

Age Dependency Ratio

55.3

Old Age Dependency Ratio

31.7

Child Dependency Ratio

Walnut Creek Sex Ratio

Female

37,357

53.70%

Male

32,210

46.30%

Walnut Creek Population by Age

Walnut Creek Renter vs Owner Occupied by Household Type

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Walnut Creek Household Types

Type Owner Renter
Married75.9%24.1%
All64.5%35.5%
Male55.3%44.7%
Non Family55%45%
Female42.4%57.6%

64.5%

Rate of Home Ownership

Walnut Creek Households and Families

Type Count Average Size Owned
All31,3902.1864.5
Married15,4442.8775.9
Non Family13,2971.2255
Female1,9133.0842.4
Male7362.9455.3

2.84

Average Family Size

2.18

Average Household Size

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Walnut Creek Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5481.01%
9th to 12th Grade7121.31%
High School Graduate4,6038.45%
Some College8,49115.60%
Associates Degree3,7806.94%
Bachelors Degree19,84136.44%
Graduate Degree16,46730.25%
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Walnut Creek Educational Attainment by Sex (over 25)

Walnut Creek Educational Attainment by Race

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Name Total High School Bachelors
White38,96938,44026,156
Asian8,6598,4826,465
Hispanic4,1043,7122,183
Multiple Races1,7501,6941,123
Other Race1,070988602
Black1,022944468
Islander289261150
Native American103103

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

The highest rate of bachelors degrees is among asian people with a rate of 74.66%.

Walnut Creek Educational Attainment by Race

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Name Average Male Female
Overall$75,519$100,152$57,420
Less Than High School$26,970$63,372$
High School Grad$36,931$38,523$35,785
Some College$45,353$54,885$40,873
Bachelors Degree$79,742$106,628$62,146
Graduate Degree$98,071$132,368$76,140

$75,519

Average Earnings

$100,152

Average Male

$57,420

Average Female

Walnut Creek Earnings by Educational Attainment

Walnut Creek Language by Age

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Walnut Creek Language

73.79% of Walnut Creek residents speak only English, while 26.21% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 10.05% of the population.

Walnut Creek Language

Walnut Creek Poverty by Race

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Name Total In Poverty Poverty Rate
White47,0042,2774.84%
Asian10,5765795.47%
Hispanic6,2584857.75%
Multiple4,0312105.21%
Black1,24613510.83%
Other1,3541349.90%
Native1602415.00%

5.33%

Overall Poverty Rate

5.19%

Male Poverty Rate

5.45%

Female Poverty Rate

Poverty in Walnut Creek

The race most likely to be in poverty in Walnut Creek is Native, with 15.00% below the poverty level.

The race least likely to be in poverty in Walnut Creek is White, with 4.84% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.93%. Among those working part-time, it was 6.37%, and for those that did not work, the poverty rate was 8.53%.

Walnut Creek Poverty

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Name Poverty
Less Than High School19.14%
High School12.08%
Some College6.46%
Bachelors or Greater3.10%

Walnut Creek Poverty Rate by Education

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Name Poverty
Male Unemployed22.14%
Female Unemployed6.95%
Female Employed2.95%
Male Employed2.77%

Walnut Creek Poverty Rate by Employment Status and Sex

Walnut Creek Income by Household Type

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Name Median Mean
Households$105,948$141,473
Families$142,430$178,572
Married Families$158,844-
Non Families$64,787$88,406
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Income by Household Type

Walnut Creek Marital Status

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Marriage Rates

54.8%

Overall Marriage Rate

60.9%

Male Marriage Rate

49.6%

Female Marriage Rate

Walnut Creek Married by Age and Sex

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Walnut Creek Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Walnut Creek Marital Status by Race

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Walnut Creek Marital Status

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3,960

Number of Veterans

3,629

Male Veterans

331

Female Veterans

War Veterans
Vietnam1,247
Korea780
World War II749
Second Gulf War287
First Gulf War278

Walnut Creek Veterans by War

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Age Group Veterans
75+2,149
65 to 74986
35 to 54393
55 to 64350
18 to 3482

Walnut Creek Veterans by Age

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Name Veterans % of Total
White3,5207.99%
Asian1451.63%
Hispanic1433.23%
Black13011.02%
2 or More954.61%
Indian5042.74%
Hawaiian206.92%

Walnut Creek Veterans by Race

Walnut Creek Veterans by Education

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4.52%

Veteran Poverty Rate

32.39%

Veteran Disability Rate

Walnut Creek Veterans by Education

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57%

Labor Force Participation

54.8%

Employment Rate

3.7%

Unemployment Rate

Walnut Creek Employment by Age

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Walnut Creek Employment by Race

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Walnut Creek 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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45.47%

Born in California

76.68%

Native Born

23.32%

Foreign Born

8.05%

Non Citizen

15.27%

Naturalized

Place of Birth

76.68% of Walnut Creek residents were born in the United States, with 45.47% having been born in California. 8.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Walnut Creek Place of Birth

Year Population Growth Annual Growth Rate
202170,8123230.46%
202070,4893230.46%
201970,1663230.46%
201869,8431980.28%
201769,6454100.59%
201669,2354880.71%
201568,7471,2471.85%
201467,5006881.03%
201366,8121,2831.96%
201265,5297021.08%
201164,8275130.80%
201064,314180.00%
200064,2963,7270.60%
199060,5696,5361.15%
198054,03314,1893.09%
197039,84429,94114.94%
19609,9037,48315.13%
19502,4208424.37%
19401,5785644.52%
19301,0144766.54%
19205384444.46%
1880940.00%

Walnut Creek Population by Year