10503 ZIP Code — Ardsley On Hudson, NY

Westchester County, New York

ZIP code 10503 is located in Ardsley On Hudson, New York, within Westchester County. It covers approximately 0.02 square miles and serves a population of 94 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 914.

population

0.02

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

10503 ZIP code map

Cities in ZIP code 10503

Below are the cities the US Postal Service accepts for ZIP code 10503. Using any city not on this list may result in mail delivery delays.

City	Status
Ardsley On Hudson	Acceptable

Demographics updated 06/2026

Population
Total population	94
Population density	4,700 / sq mi
State FIPS	36
County FIPS	119

Geography
Land area	0.02 sq mi
Water area	0.00 sq mi
Latitude	41.0255
Longitude	-73.8751
Timezone	Eastern (ET)
Area code	914

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.9%	27.3%	37.0%
$50k – $100k	22.4%	23.0%	27.0%
$100k – $200k	22.4%	26.5%	24.4%
Over $200k	34.3%	23.2%	11.5%

Demographics & statistics

Population

4,700

People per sq mi

66.2

Median age

Median household income

$116,615

Per capita income

$591,900

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

Housing units

92.6%

Bachelor's or higher

Age distribution

Male Female

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	94	100.0%
65 and over	50	53.2%
Median age	66.2 years

Race & ethnicity

White 100%

Group	Count	%
White	94	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.9%	27.3%	37.0%
$50k – $100k	22.4%	23.0%	27.0%
$100k – $200k	22.4%	26.5%	24.4%
Over $200k	34.3%	23.2%	11.5%

$75k–$100k 28.1%

$100k–$150k 29.8%

$200k+ 42.1%

Range	% of households
$75k–$100k	28.1%
$100k–$150k	29.8%
$200k+	42.1%
Median income	$0

Housing

Home values

$300k–$500k 28.1%

$500k–$1M 71.9%

Housing overview

Metric	Value
Median home value	$591,900
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	0.0%
Large apartment buildings	100.0%
Mobile homes	0.0%
Median rooms	5.8
Avg household size (owned)	1.65

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	12.3%
1939 or earlier	87.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	100.0%
3 bedrooms	0.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	70.2%
2 vehicles	29.8%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	28.1%
Fuel oil	71.9%

Households & families

Household type	Count	%
Married-couple family	40	70.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	17	29.8%
Households with children under 18	0	0.0%
Households with seniors (65+)	50	87.7%
Average household size	1.65

Marital status

Status	Male	Female
Never married	0.0%	30.4%
Married	100.0%	69.6%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 0.0%

Some college, no degree 0.0%

Associate's degree 7.4%

Bachelor's degree 17.0%

Graduate / professional 75.5%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	92.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Professional & management 51.1%

Education & healthcare 48.9%

Occupation

Category	%
Management, business & arts	84.4%
Service	0.0%
Sales & office	15.6%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	15.6%
Government	48.9%
Self-employed	35.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	35.6%
Carpool	0.0%
Public transit	53.3%
Walk	0.0%
Work from home	0.0%
Other means	11.1%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	87.7%
Retirement income	57.9%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	16.9%
High blood pressure	38.6%
High cholesterol	41.1%
Diabetes	11.0%
Heart disease	9.0%
Stroke	3.7%
Asthma	8.2%
Arthritis	31.9%
Kidney disease	4.1%
Pulmonary disease	6.8%
Cancer	14.2%

Behavior / access	%
Smoking	6.7%
Binge drinking	8.8%
No physical activity	18.9%
Less than 7 hrs sleep	24.9%
Depression	14.5%
Fair or poor health	9.9%
Poor mental health	8.2%
Poor physical health	9.0%
No health insurance	5.2%
Visited doctor (checkup)	86.0%
Visited dentist	80.5%
Cholesterol screening	97.8%
Teeth loss	6.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	16	17.0%

Disability	%
Any disability	17.0%
Under 18	0.0%
18–64 years	36.4%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	100.0%
Public insurance	53.2%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	94	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	87	92.6%
Born in same state	87	92.6%
Born in different state	70	74.5%
Foreign born	0	0.0%
Naturalized citizen	7	7.4%
Not a US citizen	7	100.0%

Ancestry

Ancestry	Count	%
Italian	33	35.1%

Ancestry	Count	%
Dutch	16	17%

Technology access

Metric	% of households
Computer access	60.6%
Internet access	100.0%

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

Frequently asked questions about ZIP code 10503

What city is ZIP code 10503 in?

ZIP code 10503 is primarily assigned to Ardsley On Hudson, New York.

What county is ZIP code 10503 in?

ZIP code 10503 falls within Westchester County, New York.

Does ZIP code 10503 have a large retiree population?

88% of households in ZIP code 10503 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 10503?

93% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 10503 have an older population?

53% of residents in ZIP code 10503 are 65 or older, above the national average of ~17%.

Does ZIP code 10503 have a large veteran population?

17% of civilians in ZIP code 10503 are veterans, above the national average of ~7%.

What timezone is ZIP code 10503 in?

ZIP code 10503 observes the EST timezone.