Zip code 94027: Atherton, California

Q: What city is zip code 94027?

94027 is assigned to Atherton, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 94027 in?

94027 is in San Mateo County, California.

Q: What is the population of 94027?

About 7,002 people live in 94027, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 94027?

The median household income in 94027 is $250,000+.

Q: What zip codes are near 94027?

The closest zip codes to 94027 are 94025, 94061, 94063, 94301, 94305.

Residential delivery areaSan Mateo CountyPacific Time

Population

7,002

Median household income

$250K+

U.S. $81K

Median home value

$2M+

U.S. $333K

Median rent

$3,500+/mo

U.S. $1,413

Median age

49.1

U.S. 38.9

Land area

5 sq mi

1,393 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 94027

94027 is a suburban zip code in Atherton, California (San Mateo County), covering 5 sq mi of land. About 7,002 people live here, or 1,393 per square mile. The median resident is 49.1 years old, compared with 38.9 nationally.

The median household income is $250,000+ a year, the Census Bureau's reporting limit (U.S.: $80,734). 5.3% of residents live below the poverty line (U.S.: 12.5%). The median home value is $2,000,000+. 88% of occupied homes are lived in by their owners, and renters pay a median of $3,500+ a month.

83% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 23.1 minutes each way, and 41% of workers work from home. The most common jobs among working residents are in management; business and finance; and computer and math (tech). 20% of them are self-employed (U.S.: 10%). 35% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 94027 compares

Sorted from highest to lowest national percentile

Median household income$250,000+
99th
StrengthU.S. $80,734 · CA $99,1229th of 1,575 in CA
Per capita income$188,761
99th
StrengthU.S. $44,673 · CA $49,5133rd of 1,685 in CA
Median home value$2,000,000+
99th
U.S. $332,700 · CA $734,70047th of 1,586 in CA
Median gross rent$3,500+
99th
U.S. $1,413 · CA $2,03635th of 1,464 in CA
Bachelor's degree or higher83.2%
99th
StrengthU.S. 35.7% · CA 37.1%18th of 1,687 in CA
Work from home40.6%
99th
U.S. 15.1% · CA 17.2%59th of 1,680 in CA
Median earnings per worker$121,861
99th
StrengthU.S. $49,666 · CA $52,64353rd of 1,658 in CA
Self-employed workers19.9%
98th
U.S. 10% · CA 11.4%255th of 1,678 in CA
Broadband access97.6%
96th
StrengthU.S. 91% · CA 93.5%221st of 1,662 in CA
Income inequality (Gini)0.531
95th
WeaknessU.S. 0.483 · CA 0.489117th of 1,651 in CA
Median age49.1
94th
U.S. 38.9 · CA 37.9308th of 1,687 in CA
Homeownership rate87.6%
93rd
StrengthU.S. 65.2% · CA 55.9%127th of 1,662 in CA
Residents 65 and older25.7%
93rd
U.S. 17.2% · CA 15.7%326th of 1,688 in CA
Tech workers7.6%
92nd
U.S. 3.8% · CA 4.4%186th of 1,678 in CA
Housing vacancy16.4%
89th
U.S. 10.1% · CA 7.5%380th of 1,664 in CA
Foreign-born residents20.5%
75th
U.S. 14.1% · CA 27%787th of 1,688 in CA
Diversity index56
63rd
U.S. 61.4 · CA 69.7793rd of 1,688 in CA
Population density1,393/sq mi
50th
U.S. 95/sq mi · CA 252/sq mi795th of 1,688 in CA
Average commute23.1 min
30th
U.S. 26.4 min · CA 28.7 min1,249th of 1,584 in CA
Veterans3.6%
21st
U.S. 6.2% · CA 4.3%1,016th of 1,686 in CA
Residents under 1818.4%
21st
U.S. 22% · CA 22%1,083rd of 1,688 in CA
Unemployment rate3.2%
19th
StrengthU.S. 5.2% · CA 6.6%1,450th of 1,681 in CA
Poverty rate5.3%
14th
StrengthU.S. 12.5% · CA 12%1,427th of 1,666 in CA
Population7,002
11th
U.S. 334,922,499 · CA 39,287,3771,077th of 1,688 in CA
Healthcare workers5.9%
7th
U.S. 9.7% · CA 9.4%1,343rd of 1,678 in CA
Uninsured rate1.7%
4th
StrengthU.S. 8.4% · CA 6.6%1,490th of 1,675 in CA
Rent-burdened renters21.6%
2nd
StrengthU.S. 51.1% · CA 55.3%1,505th of 1,610 in CA
Government workers3.3%
1st
U.S. 14.5% · CA 14.8%1,619th of 1,678 in CA

Measure	94027	San Mateo	CA	U.S.	National percentile	Rank in CA
Median household incomeStrength	$250,000+	$158,855	$99,122	$80,734	99th	9th of 1,575
Per capita incomeStrength	$188,761	$84,288	$49,513	$44,673	99th	3rd of 1,685
Median home value	$2,000,000+	$1,559,600	$734,700	$332,700	99th	47th of 1,586
Median gross rent	$3,500+	$2,922	$2,036	$1,413	99th	35th of 1,464
Bachelor's degree or higherStrength	83.2%	53.7%	37.1%	35.7%	99th	18th of 1,687
Work from home	40.6%	24.3%	17.2%	15.1%	99th	59th of 1,680
Median earnings per workerStrength	$121,861	$79,802	$52,643	$49,666	99th	53rd of 1,658
Self-employed workers	19.9%	10.5%	11.4%	10%	98th	255th of 1,678
Broadband accessStrength	97.6%	95.7%	93.5%	91%	96th	221st of 1,662
Income inequality (Gini)Weakness	0.531	0.497	0.489	0.483	95th	117th of 1,651
Median age	49.1	40.9	37.9	38.9	94th	308th of 1,687
Homeownership rateStrength	87.6%	58.5%	55.9%	65.2%	93rd	127th of 1,662
Residents 65 and older	25.7%	17.8%	15.7%	17.2%	93rd	326th of 1,688
Tech workers	7.6%	8.3%	4.4%	3.8%	92nd	186th of 1,678
Housing vacancy	16.4%	7.9%	7.5%	10.1%	89th	380th of 1,664
Foreign-born residents	20.5%	35.7%	27%	14.1%	75th	787th of 1,688
Diversity index	56	71.8	69.7	61.4	63rd	793rd of 1,688
Population density	1,393/sq mi	1,655/sq mi	252/sq mi	95/sq mi	50th	795th of 1,688
Average commute	23.1 min	26.4 min	28.7 min	26.4 min	30th	1,249th of 1,584
Veterans	3.6%	2.9%	4.3%	6.2%	21st	1,016th of 1,686
Residents under 18	18.4%	19.5%	22%	22%	21st	1,083rd of 1,688
Unemployment rateStrength	3.2%	4.8%	6.6%	5.2%	19th	1,450th of 1,681
Poverty rateStrength	5.3%	6.7%	12%	12.5%	14th	1,427th of 1,666
Population	7,002	742,340	39,287,377	334,922,499	11th	1,077th of 1,688
Healthcare workers	5.9%	9.6%	9.4%	9.7%	7th	1,343rd of 1,678
Uninsured rateStrength	1.7%	3.8%	6.6%	8.4%	4th	1,490th of 1,675
Rent-burdened rentersStrength	21.6%	48.4%	55.3%	51.1%	2nd	1,505th of 1,610
Government workers	3.3%	11.6%	14.8%	14.5%	1st	1,619th of 1,678

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

16%

18–24

25–34

35–44

15%

45–54

14%

55–64

12%

65–74

14%

75+

Median age

49.1

Under 18

18.4%

65 and over

25.7%

Race and ethnicity

White62%
Black0.9%
Hispanic14%
Asian18%
Native American0.0%
Pacific Islander0%
Other0.4%
Multiracial4%

Diversity index

U.S. 61.4

Foreign-born

20.5%

U.S. 14.1%

Born in state

45.9%

Language spoken at home (households)

English only

65%

Spanish

12%

Other Indo-European

10%

Asian / Pacific

13%

Other

Households

Households: 2,236
Average household size: 2.8
Family households: 79.7%
Married couples: 73.8%
Living alone: 15.5%
Veterans (of adults): 3.6%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

11%

$150–200k

$200k+

66%

Median household income

94027

$250,000+

San Mateo Co.

$158,855

California

$99,122

United States

$80,734

Per capita income

$188,761

U.S. $44,673

Poverty rate

5.3%

U.S. 12.5%

Households earning $150K+

72.4%

U.S. 23%

Income inequality (Gini)

0.531

U.S. 0.483

Housing

Median home value

94027

$2,000,000+

San Mateo Co.

$1,559,600

California

$734,700

United States

$332,700

Median gross rent

94027

$3,500+

San Mateo Co.

$2,922

California

$2,036

United States

$1,413

Types of housing

Single-family

99%

2–4 units

0.7%

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 2,676
Owner-occupied: 87.6%
Vacant: 16.4%
Median year built: 1960
Median rooms: 9 or more
Renters paying 30%+ of income: 21.6%
Renters paying 50%+ of income: 15.1%
Home value to income: 8.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

45%

Carpooled

Transit

Walked

Bicycle

0.5%

Worked from home

41%

Other

Commute time (one way)

<10 min

12%

10–19

34%

20–29

21%

30–44

26%

45–59

60+

Average commute

23.1 min

U.S. 26.4 min

Unemployment

3.2%

U.S. 5.2%

In labor force

48.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

30%

Business and finance

17%

Computer and math

Engineering and science

Healthcare

Sales

Office and admin

Arts, media and sports

Cleaning and personal care

Education

Legal and social services

Food service

Production

0.9%

Transportation and moving

0.8%

Police and fire

0.5%

Farming, fishing and forestry

0.3%

Construction and repair

0.2%

Industries

Professional and technical services

22%

Finance, insurance and real estate

17%

Health care and social assistance

10%

Manufacturing

10%

Education

Retail

Admin, support and management

Information

Arts and recreation

Restaurants and hotels

Other services

Wholesale

Construction

Transportation, warehousing and utilities

0.8%

Public administration

0.4%

Agriculture and mining

0.3%

Median earnings per worker

$121,861

U.S. $49,666

Self-employed

19.9%

U.S. 10%

Government workers

3.3%

U.S. 14.5%

Nonprofit workers

12.8%

U.S. 8.8%

Median earnings by type of work

Type of work	94027	U.S.
Management, business, science and arts	$168,512	$74,888
Service	$11,563	$26,804
Sales and office	$65,125	$40,476
Construction and maintenance	—	$49,199
Production and transportation	$63,417	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

Associate's

Bachelor's

31%

Graduate

52%

High school graduate or higher: 98.6%
Bachelor's degree or higher: 83.2%
Graduate or professional degree: 52.2%
Households with broadband: 97.6%
Cable, fiber or DSL: 90.5%
No internet access: 0.2%
Without health insurance: 1.7%
Limited-English households: 2.4%

Geography

City (USPS): Atherton
State: California
County: San Mateo County
Center point: 37.4571° N, 122.2011° W
Land area: 5 sq mi
Water area: under 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Atherton100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 94027

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
94025	Menlo Park, CA	1.1 mi	40,721	$216,601	$2,000,000+
94061	Redwood City, CA	2 mi	37,048	$146,265	$1,900,500
94063	Redwood City, CA	2.5 mi	34,433	$116,760	$1,042,500
94301	Palo Alto, CA	2.9 mi	17,508	$242,006	$2,000,000+
94305	Stanford, CA	3.2 mi	18,509	$83,088	$2,000,000+
94302	Palo Alto, CA · PO box	3.4 mi	—	—	—
94309	Palo Alto, CA · PO box	3.4 mi	—	—	—
94304	Palo Alto, CA	4.5 mi	5,000	$154,141	$2,000,000+
94303	Palo Alto, CA	4.7 mi	46,879	$151,609	$1,826,200
94070	San Carlos, CA	4.8 mi	30,447	$240,074	$2,000,000+
94306	Palo Alto, CA	4.8 mi	27,183	$210,000	$2,000,000+
94062	Redwood City, CA	5.2 mi	25,759	$233,262	$2,000,000+

Zip codes like 94027 elsewhere

Matched on income, home values, age, density, education, housing and commuting

9027271% match

Pacific Palisades, CA

Questions about 94027

What city is zip code 94027?

94027 is assigned to Atherton, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 94027 in?

94027 is in San Mateo County, California.

What is the population of 94027?

About 7,002 people live in 94027, according to the Census Bureau's American Community Survey.

What time zone is 94027 in?

94027 is in Pacific Time.

What is the median household income in 94027?

The median household income in 94027 is $250,000+.

What zip codes are near 94027?

The closest zip codes to 94027 are 94025, 94061, 94063, 94301, 94305.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94027, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.