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Living in
Foster City.
The Census tops out at $3,500+ for rent; it doesn't publish exact figures above that.
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
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
Hispanic or Latino of any race; other groups are non-Hispanic
Top countries of origin (foreign-born)
Languages Spoken at Home
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)
Median home value
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
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
City-level rate · BLS annual average
Unemployment Rate — 10 Year Trend
City-level (BLS) · Annual averages
What Foster City Residents Do for Work · share of employed residents by industry
City residents, wherever they work
Median Salary by Occupation · metro area
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
Commute Time Distribution
Nearest airports · with airline service
- 8 mi
San Francisco International Airport (SFO)
Major hub26.3M passengers boarded in 2025
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).
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:
Storm events by year
| Year | Events | Top Type | Property Damage |
|---|---|---|---|
| 2025 | 15 | Flood | $10 |
| 2024 | 14 | Flood | $30 |
| 2023 | 15 | High Wind | None reported |
| 2022 | 11 | Strong Wind | None reported |
| 2021 | 21 | Strong Wind | None reported |
| 2020 | 25 | Strong Wind | None reported |
| 2019 | 42 | Strong Wind | None reported |
| 2018 | 23 | Strong 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
Show month-by-month table ↓Hide table ↑
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 59°F | 41°F | 3.81" |
| Feb | 62°F | 43°F | 3.65" |
| Mar | 65°F | 45°F | 3.02" |
| Apr | 69°F | 47°F | 1.15" |
| May | 73°F | 50°F | 0.46" |
| Jun | 79°F | 54°F | 0.16" |
| Jul | 81°F | 57°F | 0.00" |
| Aug | 81°F | 57°F | 0.04" |
| Sep | 79°F | 54°F | 0.07" |
| Oct | 75°F | 50°F | 0.87" |
| Nov | 65°F | 44°F | 1.87" |
| Dec | 59°F | 40°F | 3.92" |
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
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
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 awayPublic · 4-year · 9,809 students · in-state tuition $7,993 · 69% graduate · median earnings $73,868 (10 yrs after entry)
Public · 2-year · 7,977 students · in-state tuition $1,332 · 30% graduate · median earnings $60,507 (10 yrs after entry)
Public · 2-year · 7,620 students · in-state tuition $1,332 · 27% graduate · median earnings $62,578 (10 yrs after entry)
Private nonprofit · 4-year · 7,554 students · in-state tuition $68,544 · 96% graduate · median earnings $125,340 (10 yrs after entry)
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 awayPrivate 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 awayAlcatraz Island
National Park Site
20 mi awayFort Point National Historic Site
National Historic Site
20 mi awayPresidio of San Francisco
National Park Site
20 mi awayEugene O'Neill National Historic Site
National Historic Site
21 mi awayRosie the Riveter WWII Home Front National Historical Park
National Historical Park
24 mi awayGolden Gate National Recreation Area
National Recreation Area
28 mi awayJohn Muir National Historic Site
National Historic Site
28 mi awayPublic Libraries in Foster City
Foster City Library
1000 E. Hillsdale Blvd., Foster City
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.
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