ZIP Code 94404: Population, Income, Housing

State: CA
Total population: 35,881 Household income: $192,332 Rent: $3,501

Overview

Total population
35,881
Rent
$3,501
Year built
1976
Household income
$192,332
Per capita income
$99,796
Poverty rate
4.3%
Unemployment rate
N/A
Household size
2.4 persons
Rent over 30% of income
39.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State
California
County
San Mateo County
City
Foster City
Total population
35,881
Adults over 25
26,556
Total households
14,717
Household size
2.4 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Income & Poverty

Household income
$192,332
Per capita income
$99,796
Poverty rate
4.3%
Unemployment rate
N/A
Rent over 30% of income
39.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Housing

Rent
$3,501
Year built
1976
Households that rent
48.8%
Households that own
51.2%
Rooms per home (all homes)
4.5

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Race

White
31.5%
Black
2%
Asian
52.6%
Two or more races
10%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Ethnicity

Hispanic or Latino
7.4%
Not Hispanic or Latino
92.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Commute

Commute rate
12,245 (66.2%)
Commute time to work
29 mins
Work from home
6,255 (33.8%)

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Education

Less than high school
13.3%
High school graduate or GED
7%
Some college or associate degree
5.5%
Bachelor’s degree or higher
74.3%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

 

Comparison of ZIP Code 94404 with: San Mateo County, CA San Francisco metro area, CA California United States

ZIP 94404

Total population35,881
Rent$3,501
Year built1976
Household income$192,332
Per capita income$99,796
Poverty rate4.3%
Unemployment rateN/A

San Mateo County, CA

Total population742,340
Rent$2,922
Year built1966
Household income$158,855
Per capita income$84,288
Poverty rate6.7%
Unemployment rate3.5%

San Francisco Metro Area, CA

Total population4,645,029
Rent$2,474
Year built1968
Household income$136,027
Per capita income$74,352
Poverty rate8.9%
Unemployment rate4.2%

California State

Total population39,287,377
Rent$2,036
Year built1976
Household income$99,122
Per capita income$49,513
Poverty rate12%
Unemployment rate5.3%

United States

Total population334,922,499
Rent$1,413
Year built1980
Household income$80,734
Per capita income$44,673
Poverty rate12.5%
Unemployment rate4%
Metric ZIP94404 CountySan Mateo, CAMetro AreaSan Francisco metro area, CAStateCaliforniaCountryUnited States
Total population35,881742,3404,645,02939,287,377334,922,499
Rent$3,501$2,922$2,474$2,036$1,413
Year built19761966196819761980
Household income$192,332$158,855$136,027$99,122$80,734
Per capita income$99,796$84,288$74,352$49,513$44,673
Poverty rate4.3%6.7%8.9%12%12.5%
Unemployment rateN/A3.5%4.2%5.3%4%

View the full multi-level comparison →

 

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Summary for 94404

Rent & Income

In 94404, the typical monthly rent is $3,501 and the typical household income is $192,332. Rent here is higher than California, and household income is higher than California. The estimated poverty rate is 4.3%.

Housing & Affordability

Renters make up about 48.8% of households, indicating a relatively balanced mix of renters and owners. Around 39.6% of renters are cost-burdened, indicating a moderate level of rent pressure.

Education & Employment

Educational attainment is very high, with about 74.3% of adults holding a bachelor’s degree or higher.

 

ZIP 94404 — Poverty

 

 

How ZIP 94404 compares in California (613 ZIP Codes)

Metric This ZIP Rank Starts from State range
Rent $3,501 606 / 613 from lower rent $1,054 – $3,501
Household income $192,332 22 / 613 from higher income $35,378 – $250,001
Poverty rate 4.3% 17 / 613 from lower poverty 2.2% – 39.6%

Rankings are calculated among ZIP Codes in California with total population > 30,000 (year 2024).

 

Detailed Ranking Explanation for ZIP Code 94404

Rent

For rent, this ZIP is positioned 606th out of 613 ZIP Codes in California. In California as a whole, the range goes from $1,054 in ZIP 92243 up to $3,501 in ZIP 90275.

Household income

For household income, ZIP Code 94404 ranks 22nd out of 613 ZIP Codes. Statewide, values range from $35,378 in ZIP 90007 up to $250,001 in ZIP 95070.

Poverty rate

For poverty levels, this ZIP is positioned 17th out of 613 ZIP Codes. Across California, figures vary from 2.2% in ZIP 95120 up to 39.6% in ZIP 90007.

 

💰 Rent in ZIP Code 94404 (with Utilities)

Estimated Monthly Rent: $3,501 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing — including the apartment or home and essential utilities like heat, water, and electricity.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in ZIP Code 94404

Annual Household Income: $192,332

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in the ZIP code — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in ZIP Code 94404

Estimated Rate: 4.3%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in ZIP Code 94404

In ZIP Code 94404, households that rent: 7,186 (48.8%)

📊 What does the renter household percentage reveal about this ZIP Code?
Household Type Count Share
Renter-Occupied 7,186 48.8%
Owner-Occupied 7,531 51.2%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in ZIP Code 94404

In ZIP Code 94404, cost-burdened renters (households spending over 30% of income on housing): 2,843 (39.6%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?
Household Group Households Share
Cost-burdened renters (over 30%) 2,843 39.6%
Other renter households 4,343 60.4%
Total renter households 7,186 100%

Shares are calculated as a percentage of renter households.

This shows how many renters in the ZIP code are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in ZIP Code 94404

Less than High School: 3,529 people (13.3%)

Includes adults who did not complete high school.

High School Graduate or GED: 1,850 people (7%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 1,452 people (5.5%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 19,725 people (74.3%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 26,556

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

 

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.