10604 ZIP Code — West Harrison, NY

Westchester County, New York

ZIP code 10604 is located in West Harrison, New York, within Westchester County. It covers approximately 6.75 square miles and serves a population of 11,799 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 914/845.

About ZIP code 10604

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $743,700. Owner-occupancy sits near the national average at 59%.

The gap between median ($111,583) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

11,799

population

6.75

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

10604 ZIP code map

Cities in ZIP code 10604

Below are the cities the US Postal Service accepts for ZIP code 10604. Using any city not on this list may result in mail delivery delays.

City	Status
West Harrison	Acceptable
West Harrison	Acceptable
West Harrison	Preferred

Nearby ZIP codes

10577 Purchase (1.2 mi) 10601 White Plains (2.3 mi) 10603 White Plains (2.5 mi) 10605 White Plains (3.1 mi) 10606 White Plains (3.3 mi) 10573 Port Chester (3.4 mi) 10595 Valhalla (3.8 mi) 06831 Greenwich (4 mi) 10607 White Plains (4.2 mi) 10523 Elmsford (4.7 mi) 10594 Thornwood (4.8 mi) 10530 Hartsdale (4.9 mi)

Demographics updated 05/2026

Population
Total population	11,799
Population density	1,748 / sq mi
State FIPS	36
County FIPS	119

Geography
Land area	6.75 sq mi
Water area	1.30 sq mi
Latitude	41.0517
Longitude	-73.7304
Timezone	Eastern (ET)
Area code	914/845

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.5%	27.3%	37.0%
$50k – $100k	30.0%	23.0%	27.0%
$100k – $200k	25.6%	26.5%	24.4%
Over $200k	21.9%	23.2%	11.5%

Demographics & statistics

11,799

Population

1,748

People per sq mi

38.6

Median age

$111,583

Median household income

$64,262

Per capita income

$743,700

Median home value

$1,974

Median monthly rent

59.4%

Home ownership

3.8%

Poverty rate

5.6%

Unemployment

2,547

Housing units

48.6%

Bachelor's or higher

Age distribution

Male Female

338

Under 5

369

446

5–9

486

527

10–14

575

369

15–19

403

287

20–24

313

525

25–34

571

1,073

35–44

1,169

806

45–54

878

260

55–59

284

269

60–64

292

414

65–74

451

233

75–84

253

100

85+

108

← Male

Female →

Age summary

Group	Count	%
Under 18	3,290	27.9%
18 and over	8,509	72.1%
65 and over	1,559	13.2%
Median age	38.6 years

Race & ethnicity

White 56.5%

Hispanic or Latino 16%

Other race 9.4%

Two or more races 9.1%

Black or African American 6.9%

Asian 2%

Group	Count	%
White	7,944	56.5%
Hispanic or Latino	2,253	16%
Other race	1,320	9.4%
Two or more races	1,276	9.1%
Black or African American	973	6.9%
Asian	286	2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.5%	27.3%	37.0%
$50k – $100k	30.0%	23.0%	27.0%
$100k – $200k	25.6%	26.5%	24.4%
Over $200k	21.9%	23.2%	11.5%

Under $10k 1.8%

$10k–$15k 1.1%

$15k–$25k 4.6%

$25k–$35k 4.8%

$35k–$50k 9.5%

$50k–$75k 15.6%

$75k–$100k 5.9%

$100k–$150k 17.6%

$150k–$200k 11.3%

$200k+ 27.8%

Range	% of households
Under $10k	1.8%
$10k–$15k	1.1%
$15k–$25k	4.6%
$25k–$35k	4.8%
$35k–$50k	9.5%
$50k–$75k	15.6%
$75k–$100k	5.9%
$100k–$150k	17.6%
$150k–$200k	11.3%
$200k+	27.8%
Median income	$111,583

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.8%

$100k–$150k 2.3%

$150k–$200k 5.4%

$200k–$300k 6.9%

$300k–$500k 7.3%

$500k–$1M 50.5%

$1M+ 25.6%

Housing overview

Metric	Value
Median home value	$743,700
Median rent / month	$1,974
Owner occupied	59.4%
Renter occupied	40.6%
Vacant	4.5%
Single-family detached	42.9%
Large apartment buildings	17.9%
Mobile homes	0.0%
Median rooms	5.5
Avg household size (owned)	3.08

Year built

Era	%
2020 or later	1.1%
2010–2019	1.2%
2000–2009	4.3%
1990–1999	8.3%
1980–1989	10.0%
1970–1979	9.3%
1960–1969	13.2%
1950–1959	23.7%
1940–1949	8.5%
1939 or earlier	20.3%

Bedrooms

Size	% of units
No bedroom (studio)	3.1%
1 bedroom	14.9%
2 bedrooms	25.4%
3 bedrooms	32.8%
4 bedrooms	12.7%
5+ bedrooms	11.1%

Vehicles per household

Vehicles	% of households
No vehicle	9.6%
1 vehicle	31.4%
2 vehicles	35.3%
3 or more	23.7%

Heating fuel

Fuel type	%
Utility gas	55.8%
Electricity	7.5%
Propane / LP gas	5.6%
Fuel oil	29.9%
Wood	0.6%

Households & families

Household type	Count	%
Married-couple family	2,150	54.1%
Cohabiting couple	377	9.5%
Male householder, no spouse	329	8.3%
Female householder, no spouse	1,116	28.1%
Households with children under 18	1,713	43.1%
Households with seniors (65+)	1,163	29.3%
Average household size	2.96

Marital status

Status	Male	Female
Never married	35.9%	36.0%
Married	55.5%	44.6%
Separated	1.8%	3.5%
Widowed	2.0%	6.0%
Divorced	4.8%	10.0%

Education

Less than 9th grade 4.4%

Some HS, no diploma 6.7%

HS graduate 21.2%

Some college, no degree 13.1%

Associate's degree 6.1%

Bachelor's degree 24.6%

Graduate / professional 24.0%

Metric	%
HS diploma or higher	89.0%
Bachelor's or higher	48.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	262	7.8%
Kindergarten	119	3.6%
Elementary school	1,723	51.5%
High school	665	19.9%
College / grad school	575	17.2%

Employment

Industry of employment

Education & healthcare 23.0%

Professional & management 14.7%

Construction 10.8%

Arts, food & hospitality 10.0%

Finance & real estate 9.7%

Retail trade 8.1%

Transportation & utilities 8.1%

Public administration 4.8%

Other services 4.3%

Manufacturing 3.5%

Wholesale trade 1.7%

Information 1.4%

Occupation

Category	%
Management, business & arts	46.4%
Service	19.6%
Sales & office	16.9%
Natural resources & construction	10.2%
Production & transportation	6.9%

Employment type

Type	%
Private sector	74.0%
Government	17.8%
Self-employed	8.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	55.9%
Carpool	9.8%
Public transit	13.9%
Walk	1.9%
Work from home	15.4%
Other means	3.1%
Avg commute (minutes)	26.8

Poverty

All people 3.8%

Under 18 years 4.1%

18 and over 3.7%

Married-couple families 0.8%

Female-led households 9.1%

Income support

Source	% of households
Social Security	28.8%
Retirement income	21.0%
Supplemental Security	2.5%
Cash public assistance	1.9%
Food stamps / SNAP	6.1%

Health indicators

Condition	%
Obesity	21.4%
High blood pressure	26.0%
High cholesterol	29.0%
Diabetes	8.4%
Heart disease	5.1%
Stroke	2.4%
Asthma	9.1%
Arthritis	18.8%
Kidney disease	2.6%
Pulmonary disease	5.0%
Cancer	6.4%

Behavior / access	%
Smoking	12.1%
Binge drinking	15.7%
No physical activity	21.1%
Less than 7 hrs sleep	32.1%
Depression	17.4%
Fair or poor health	10.7%
Poor mental health	12.6%
Poor physical health	8.5%
No health insurance	12.0%
Visited doctor (checkup)	76.3%
Visited dentist	70.9%
Cholesterol screening	92.0%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	134	1.6%

Disability	%
Any disability	11.5%
Under 18	10.2%
18–64 years	7.1%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	76.8%
Public insurance	27.2%
No insurance	6.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,092	94.0%
Spanish	1,126	10.2%
Other Indo-European	561	5.1%
Asian & Pacific Islander	479	4.3%
Other languages	62	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,951	75.9%
Born in same state	8,823	74.8%
Born in different state	7,357	62.4%
Foreign born	128	1.1%
Naturalized citizen	2,848	24.1%
Not a US citizen	1,480	52.0%

Ancestry

Ancestry	Count	%
Arab	1,014	8.6%
Italian	924	7.8%
French	231	2%
Polish	73	0.6%
Norwegian	40	0.3%

Ancestry	Count	%
Irish	34	0.3%
Dutch	33	0.3%
English	25	0.2%
German	8	0.1%

Technology access

Metric	% of households
Computer access	33.7%
Internet access	95.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 10604

What city is ZIP code 10604 in?

ZIP code 10604 is primarily assigned to West Harrison, New York.

What county is ZIP code 10604 in?

ZIP code 10604 falls within Westchester County, New York.

How educated is the population of ZIP code 10604?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 10604?

The median home value in ZIP code 10604 is $743,700.

What is the median household income in ZIP code 10604?

The median household income in ZIP code 10604 is $111,583, above the national median of ~$75,000.

What is the population of ZIP code 10604?

ZIP code 10604 has an estimated population of 11,799 residents, with a density of 1,747 people per square mile.

What timezone is ZIP code 10604 in?

ZIP code 10604 observes the EST timezone.