About

Life in Foster City

If you're considering Foster City, understand you're looking at one of the Bay Area's most expensive real estate markets, with median home prices near $1.8 million and rents averaging $3,500 monthly—these aren't throwaway numbers. The economic draw is real: the city hosts major biotech and tech employers, and the median household income of about $199,000 reflects a highly educated, affluent population where three-quarters hold bachelor's degrees. The community skews toward established families and dual-income professionals; about 61% of households are married couples, and the median age is 39.5 years.

Foster City at a Glance

Population, income, housing and more

Median Age

39.5 yrs

Poverty Rate

4.1%

Foreign-Born

49.5%

Broadband Internet

98.1%

of households

Population Growth

-4.1%

recent change · Census Bureau

Median household income

Foster City$199,143
California avg$99,122
US$80,734

Demographics49.5% foreign-born, most often from China, excluding Hong Kong and Taiwan

Who lives in Foster City: race and ethnicity, ages, households, languages and countries of origin

In Foster City, the largest foreign-born group is from China, excluding Hong Kong and Taiwan (26.8%), and 20.8% of residents speak Chinese at home.

Under 18

22.2%

of residents

65 and Older

17.6%

of residents

Households with Kids

34.8%

anyone under 18

Living Alone

24.2%

of households

Married Couples

55.6%

of households

Avg Household Size

2.51

people

Race & Ethnicity

Asian54.3%
White28.9%
Hispanic or Latino7.1%
Two or more races6.3%
Black1.6%
Other1.4%

Hispanic or Latino of any race; other groups are non-Hispanic

Top countries of origin (foreign-born)

China26.8%
India20.8%
Philippines5.5%
Taiwan4.9%
Japan4.4%
Hong Kong3.3%
Korea3.2%
Iran3.1%
Brazil3.0%
Vietnam1.5%

Languages Spoken at Home

English only45.0%
Chinese20.8%
Other Indo-European11.2%
Other Asian/Pacific7.6%
Spanish4.6%
Tagalog/Filipino2.5%
Russian/Slavic2.4%
Arabic1.7%

Cost of Livingrent 72% above CA average

Rent, home values, and income in Foster City

In Foster City, rent runs 72% above the CA average, and home values are 150% above the CA average.

Median rent (per month)

Foster City$3,500+
California avg$2,036
US$1,413

Median home value

Foster City$1,838,200
California avg$734,700
US$332,700

Rent Burdened

40.7%

spending 30%+ of income on rent

Severely Rent Burdened

21.4%

spending 50%+

Cost of Living Index

115.6

metro area (BEA) · US avg = 100

Homeowners

50.8%

of occupied homes are owned

Typical Home Built

1976

median year built

Vacant Homes

4.5%

of housing units

Home Value Trend

$1,673,148
$1,918,391
$1,845,821
202120222023202420252026

Latest: $1,845,821 (September 2026)

Jobs & Economyunemployment 1.3 pts below CA average

Unemployment in Foster City and typical pay across the metro area

Unemployment in Foster City is 1.3 percentage points lower than the CA average.

Unemployment rate

Foster City4.2%
California avg5.5%
US4.3%

City-level rate · BLS annual average

Unemployment Rate — 10 Year Trend

3.3%
3%
2.3%
2.2%
5.7%
3.9%
2.4%
3.3%
3.9%
4.2%
2016201720182019202020212022202320242025

City-level (BLS) · Annual averages

What Foster City Residents Do for Work · share of employed residents by industry

Professional & business services29.4%
Education & health care15.5%
Manufacturing13.5%
Information9.2%
Finance & real estate8.9%
Retail5.3%
Transportation & utilities4.8%
Arts, hospitality & food service3.5%

City residents, wherever they work

Median Salary by Occupation · metro area

Management$171,350
Computer & Math$163,890
Healthcare$139,340
Business & Finance$104,950
Education$75,130
Office & Admin$59,630
Sales$49,390
Transportation$48,150

San Francisco-Oakland-Hayward, CA metro area

Commute29.4 min avg

How Foster City residents get to work, and the nearest airports

In Foster City, most residents drive alone to work (52%), and 52% get there in under 30 minutes.

How People Get to Work

Drive alone51.8%
Carpool7.5%
Public transit2.9%
Walk1.7%
Work from home34.2%
Other1.8%

Commute Time Distribution

Under 15 min18.4%
15–29 min34.0%
30–44 min27.1%
45–59 min12.1%
60+ min8.5%

Nearest airports · with airline service

  • San Francisco International Airport (SFO)

    Major hub26.3M passengers boarded in 2025

    8 mi

Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.

Safetyviolent crime 79% below national average

Crime rates for 2025

Violent crime in Foster City runs 79% below the national average.

Violent Crime Rate

67.9

per 100,000 residents

Below average (329 national, 2025)

Property Crime Rate

774.8

per 100,000 residents

Below average (1,552 national, 2025)

Foster City Police Department

Natural DisastersStrong Wind most common — 15 events in 2025

Natural hazard risk, storms and earthquakes

FEMA National Risk Index

Relatively High

99.2 / 100

Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).

Coastal flooding · HighDrought · HighEarthquake · HighLandslide · HighInland flooding · High

San Mateo County, county-wide · FEMA NRI December 2025

In San Mateo County, which includes Foster City, the most common type is strong wind, with 15 recorded events in 2025.

Most common events:

Strong WindFloodHigh WindHigh SurfRip Current

Storm events by year

YearEventsTop TypeProperty Damage
202515Flood$10
202414Flood$30
202315High WindNone reported
202211Strong WindNone reported
202121Strong WindNone reported
202025Strong WindNone reported
201942Strong WindNone reported
201823Strong Wind$10,000

Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.

288 earthquakes of magnitude 2.5+ within 100 miles in the past year

San Mateo County, county-wide

Foster City is about 4% of San Mateo County’s population, so county-wide figures may differ from local conditions.

Air Quality27 median AQI — Good

Days by air quality category (2024)

Air quality in San Mateo County, which includes Foster City, is typically good — 281 good-air days per year.

Median AQI

27

Good Days

281

per year

Moderate Days

38

per year

Unhealthy Days

0

per year

San Mateo County, county-wide

Foster City is about 4% of San Mateo County’s population, so county-wide figures may differ from local conditions.

Climate80°F summers, 41°F winters

30-year climate averages (1991–2020) — monthly temperatures and precipitation

Foster City has warm summers (avg high 80°F) and mild winters (avg low 41°F).

Spring (Mar–May)

69°/47°F

avg high / low

Summer (Jun–Aug)

80°/56°F

avg high / low

Fall (Sep–Nov)

73°/49°F

avg high / low

Winter (Dec–Feb)

60°/41°F

avg high / low

Annual Precipitation

18.3"

Annual Snowfall

0.0"

Hot Days/Year

18

days above 90°F

Freeze Days/Year

6

days below 32°F

Rainy Days/Year

67

Average month

High °FLow °FPrecip (in)
30°40°50°60°70°80°90°4"Jan: 3.81" precipitationFeb: 3.65" precipitationMar: 3.02" precipitationApr: 1.15" precipitationMay: 0.46" precipitationJun: 0.16" precipitationJul: 0.00" precipitationAug: 0.04" precipitationSep: 0.07" precipitationOct: 0.87" precipitationNov: 1.87" precipitationDec: 3.92" precipitationJJan: high 59°F, low 41°FFFeb: high 62°F, low 43°FMMar: high 65°F, low 45°FAApr: high 69°F, low 47°FMMay: high 73°F, low 50°FJJun: high 79°F, low 54°F81°JJul: high 81°F, low 57°FAAug: high 81°F, low 57°FSSep: high 79°F, low 54°FOOct: high 75°F, low 50°FNNov: high 65°F, low 44°F40°DDec: high 59°F, low 40°F
Show month-by-month table ↓
MonthHighLowPrecip
Jan59°F41°F3.81"
Feb62°F43°F3.65"
Mar65°F45°F3.02"
Apr69°F47°F1.15"
May73°F50°F0.46"
Jun79°F54°F0.16"
Jul81°F57°F0.00"
Aug81°F57°F0.04"
Sep79°F54°F0.07"
Oct75°F50°F0.87"
Nov65°F44°F1.87"
Dec59°F40°F3.92"

Healthcare

Hospitals, ratings, and health insurance in Foster City

Uninsured

2.2%

of residents

No hospitals inside Foster City's limits — nearest hospitals · within 15 miles

San Mateo Medical Center

Acute Care Hospitals · ER available · 4.8 mi away · San Mateo

Not rated

Kaiser Foundation Hospital - Redwood City

Acute Care Hospitals · ER available · 6.2 mi away · Redwood City

Sequoia Hospital

Acute Care Hospitals · ER available · 6.9 mi away · Redwood City

Adult Health · vs. the typical US place

Obesity17.8%US 36.8%
Diabetes8.7%US 12.6%
High blood pressure26.2%US 37.1%
Current smoking5.8%US 15.0%
No leisure-time physical activity16.0%US 26.6%
Depression16.3%US 23.0%
Asthma7.7%US 10.7%
Routine checkup in past year72.4%US 78.2%

Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.

Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.

Education22.0:1 student/teacher ratio

Schools and degree attainment in Foster City

Foster City's student/teacher ratio is 22.0:1 (higher than the national average of 16:1), and 73.8% of adults 25+ hold a bachelor's degree or higher.

Public Schools

6

within city limits

Private Schools

2

within city limits

College Degree Rate

73.8%

adults 25+ with bachelor's or higher

Student/Teacher Ratio

22.0:1

National avg 16:1

Schools located within city limits (2023) — school-level metrics change slowly year to year

Colleges Near Foster City (within 15 miles)

California State University-East Bay

11.5 mi away

Public · 4-year · 9,809 students · in-state tuition $7,993 · 69% graduate · median earnings $73,868 (10 yrs after entry)

College of San Mateo

6.1 mi away

Public · 2-year · 7,977 students · in-state tuition $1,332 · 30% graduate · median earnings $60,507 (10 yrs after entry)

Skyline College

13 mi away

Public · 2-year · 7,620 students · in-state tuition $1,332 · 27% graduate · median earnings $62,578 (10 yrs after entry)

Stanford University

11.1 mi away

Private nonprofit · 4-year · 7,554 students · in-state tuition $68,544 · 96% graduate · median earnings $125,340 (10 yrs after entry)

College of Alameda

14.1 mi away

Public · 2-year · 4,487 students · in-state tuition $1,258 · 21% graduate · median earnings $47,627 (10 yrs after entry)

Northeastern University Oakland

14.3 mi away

Private nonprofit · 4-year · 464 students · in-state tuition $71,033 · median earnings $99,371 (10 yrs after entry)

Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)

Parks & Recreationclosest: San Francisco Maritime National Historical Park, 19 mi

Nearby national parks, recreation areas and public libraries for Foster City

Foster City has 8 nearby national parks or recreation areas, closest being San Francisco Maritime National Historical Park (19 mi away).

Nearby National Parks & Recreation Areas

San Francisco Maritime National Historical Park

National Historical Park

19 mi away

Alcatraz Island

National Park Site

20 mi away

Fort Point National Historic Site

National Historic Site

20 mi away

Presidio of San Francisco

National Park Site

20 mi away

Eugene O'Neill National Historic Site

National Historic Site

21 mi away

Rosie the Riveter WWII Home Front National Historical Park

National Historical Park

24 mi away

Golden Gate National Recreation Area

National Recreation Area

28 mi away

John Muir National Historic Site

National Historic Site

28 mi away

Public Libraries in Foster City

Foster City Library

1000 E. Hillsdale Blvd., Foster City

Branch~57 hrs/week

Cities Near Foster City

The closest cities within 60 miles

Planning a move to Foster City?

Read our full moving guide — what it's really like to live here.

Moving to Foster City →

Foster City FAQ

Is Foster City, California affordable?⌄

Foster City's median rent is $3,500+/month, which is significantly above the national average. The median household income is $199,143/year. Median home value is $1,838,200.

Is Foster City, California safe?⌄

Foster City's violent crime rate was 68 per 100,000 residents in 2025, which is well below the national average — one of the safer cities in the country of 329/100k that year. Property crime rate is 775 per 100,000. As with any city, crime rates vary by neighborhood.

What is the job market like in Foster City, California?⌄

Foster City has an unemployment rate of 4.2%, which is close to the national average of 4.3%.

What is the cost of living in Foster City, California?⌄

The cost of living in Foster City is primarily driven by housing. Median rent is $3,500+/month and median household income is $199,143/year. The median home value is $1,838,200. About 41% of renters spend more than 30% of their income on housing.

How is the commute in Foster City, California?⌄

The average commute in Foster City is 29 minutes, which is about average compared to the national average of 26 minutes.

Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from