Foster City, California Population 2021

33,485
Loading...

Foster City is a city located in California. With a 2020 population of 33,485, it is the 227th largest city in California and the 1177th largest city in the United States. Foster City is currently declining at a rate of -0.62% annually but its population has increased by 9.55% since the most recent census, which recorded a population of 30,567 in 2010. Foster City reached it's highest population of 34,292 in 2017. Spanning over 20 miles, Foster City has a population density of 8,821 people per square mile.

The average household income in Foster City is $185,716 with a poverty rate of 4.35%. The median rental costs in recent years comes to $3,209 per month, and the median house value is $1.25 Mn. The median age in Foster City is 40 years, 38.3 years for males, and 41.6 years for females. For every 100 females there are 99.3 males.

Foster City Demographics

According to the most recent ACS, the racial composition of Foster City was:

  • Asian: 47.58%
  • White: 43.57%
  • Two or more races: 4.81%
  • Black or African American: 2.45%
  • Other race: 1.22%
  • Native American: 0.21%
  • Native Hawaiian or Pacific Islander: 0.16%
The current population of Foster City, California is 33,485, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 34,109.The last official US Census in 2010 recorded the population at 30,567.

Foster City, California Population 2021

Population by Race

Race Population Percentage
Asian16,17647.58%
White14,81143.57%
Two or More Races1,6364.81%
Black or African American8342.45%
Some Other Race4141.22%
American Indian and Alaska Native720.21%
Native Hawaiian and Other Pacific Islander540.16%
Loading...

Foster City Population by Race

Foster City Population Pyramid 2021

Loading...

Foster City Median Age

40


Total

38.3


Male

41.6


Female

Foster City Adults

There are 26,542 adults, (5,710 of whom are seniors) in Foster City.

Foster City Age Dependency

63.2

Age Dependency Ratio

27.4

Old Age Dependency Ratio

35.8

Child Dependency Ratio

Foster City Sex Ratio

Female

17,058

50.18%

Male

16,939

49.82%

Foster City Population by Age

Foster City Renter vs Owner Occupied by Household Type

Loading...

Foster City Household Types

Type Owner Renter
Female62.2%37.8%
Married59.9%40.1%
All57.1%42.9%
Non Family50.8%49.2%
Male44%56%

57.1%

Rate of Home Ownership

Foster City Households and Families

Type Count Average Size Owned
All12,6902.6657.1
Married7,8883.1559.9
Non Family3,4541.4450.8
Female9982.9562.2
Male3502.8844

3.08

Average Family Size

2.66

Average Household Size

Loading...

Foster City Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade4191.67%
9th to 12th Grade5142.05%
High School Graduate1,7997.16%
Some College3,22012.82%
Associates Degree1,5186.04%
Bachelors Degree8,82935.15%
Graduate Degree8,81635.10%
Loading...

Foster City Educational Attainment by Sex (over 25)

Foster City Educational Attainment by Race

Loading...
Name Total High School Bachelors
Asian12,02011,4939,419
White9,8499,6066,590
Hispanic1,8951,787721
Multiple Races662623512
Black657628404
Other Race240210108
Islander545423
Native American29292

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 78.36%.

Foster City Educational Attainment by Race

Loading...
Name Average Male Female
Overall$101,183$112,957$84,056
Less Than High School$$39,432$
High School Grad$42,784$51,729$
Some College$58,750$71,140$41,437
Bachelors Degree$96,507$105,960$90,181
Graduate Degree$129,886$152,130$107,554

$101,183

Average Earnings

$112,957

Average Male

$84,056

Average Female

Foster City Earnings by Educational Attainment

Foster City Language by Age

Loading...

Foster City Language

46.83% of Foster City residents speak only English, while 53.17% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 29.55% of the population.

Foster City Language

Foster City Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White12,4906245.00%
Asian16,1385873.64%
Hispanic2,8561866.51%
Black833698.28%
Multiple1,636462.81%
Native721926.39%
Other41292.18%

4.35%

Overall Poverty Rate

3.74%

Male Poverty Rate

4.97%

Female Poverty Rate

Poverty in Foster City

The race most likely to be in poverty in Foster City is Native, with 26.39% below the poverty level.

The race least likely to be in poverty in Foster City is Other, with 2.18% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.46%. Among those working part-time, it was 5.52%, and for those that did not work, the poverty rate was 10.12%.

Foster City Poverty

Loading...
Name Poverty
Less Than High School12.61%
High School9.66%
Some College5.33%
Bachelors or Greater2.55%

Foster City Poverty Rate by Education

Loading...
Name Poverty
Male Unemployed2.45%
Female Unemployed2.43%
Male Employed2.06%
Female Employed1.36%

Foster City Poverty Rate by Employment Status and Sex

Foster City Income by Household Type

Loading...
Name Median Mean
Households$158,529$185,716
Families$174,709$202,089
Married Families$191,346-
Non Families$104,296$136,358
Loading...

Income by Household Type

Foster City Marital Status

Loading...

Marriage Rates

62.7%

Overall Marriage Rate

64.0%

Male Marriage Rate

61.3%

Female Marriage Rate

Foster City Married by Age and Sex

Loading...

Foster City Marriage

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

Foster City Marital Status by Race

Loading...

Foster City Marital Status

Loading...

1,029

Number of Veterans

969

Male Veterans

60

Female Veterans

War Veterans
Vietnam344
First Gulf War169
Korea150
Second Gulf War85
World War II42

Foster City Veterans by War

Loading...
Age Group Veterans
75+395
65 to 74277
35 to 54202
55 to 64103
18 to 3452

Foster City Veterans by Age

Loading...
Name Veterans % of Total
White7496.18%
Asian1841.46%
Hispanic713.38%
Black406.02%
Hawaiian3157.41%
Indian1735.42%
2 or More81.03%

Foster City Veterans by Race

Foster City Veterans by Education

Loading...

2.43%

Veteran Poverty Rate

31.49%

Veteran Disability Rate

Foster City Veterans by Education

Loading...

67.2%

Labor Force Participation

65.1%

Employment Rate

3.1%

Unemployment Rate

Foster City Employment by Age

Loading...

Foster City Employment by Race

Loading...

Foster City Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

37.42%

Born in California

54.95%

Native Born

45.05%

Foreign Born

23.29%

Non Citizen

21.77%

Naturalized

Place of Birth

54.95% of Foster City residents were born in the United States, with 37.42% having been born in California. 23.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Foster City Place of Birth

Year Population Growth Annual Growth Rate
202133,485-208-0.62%
202033,693-208-0.61%
201933,901-208-0.61%
201834,109-183-0.53%
201734,292130.04%
201634,2798092.42%
201533,4707722.36%
201432,6982820.87%
201332,4163180.99%
201232,0981,1333.66%
201130,9653561.16%
201030,6091,8060.61%
200028,8036270.22%
199028,1764,8891.92%
198023,28713,7659.35%
19709,5220.00%

Foster City Population by Year