10594 ZIP Code — Thornwood, NY

Westchester County, New York

ZIP code 10594 is located in Thornwood, New York, within Westchester County. It covers approximately 2.58 square miles and serves a population of 5,565 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 914.

About ZIP code 10594

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $693,600. Owner-occupancy is high at 89%, well above the national average.

The gap between median ($161,154) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 10594 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

5,565

population

2.58

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

10594 ZIP code map

Cities in ZIP code 10594

Below are the cities the US Postal Service accepts for ZIP code 10594. Using any city not on this list may result in mail delivery delays.

City	Status
Thornwood	Preferred

Nearby ZIP codes

10570 Pleasantville (1.3 mi) 10595 Valhalla (1.9 mi) 10532 Hawthorne (2.3 mi) 10504 Armonk (3.3 mi) 10603 White Plains (4 mi) 10514 Chappaqua (4.1 mi) 10510 Briarcliff Manor (4.1 mi) 10523 Elmsford (4.5 mi) 10591 Tarrytown (4.7 mi) 10604 West Harrison (4.8 mi) 10607 White Plains (5.7 mi) 10546 Millwood (5.8 mi)

Demographics updated 06/2026

Population
Total population	5,565
Population density	2,157 / sq mi
State FIPS	36
County FIPS	119

Geography
Land area	2.58 sq mi
Water area	0.00 sq mi
Latitude	41.1148
Longitude	-73.7709
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	9.9%	27.3%	37.0%
$50k – $100k	22.8%	23.0%	27.0%
$100k – $200k	35.9%	26.5%	24.4%
Over $200k	31.4%	23.2%	11.5%

Demographics & statistics

5,565

Population

2,157

People per sq mi

39.8

Median age

$161,154

Median household income

$62,636

Per capita income

$693,600

Median home value

$1,842

Median monthly rent

88.5%

Home ownership

5.2%

Poverty rate

5.6%

Unemployment

1,554

Housing units

51.4%

Bachelor's or higher

Age distribution

Male Female

181

Under 5

178

200

5–9

197

164

10–14

162

168

15–19

165

154

20–24

153

252

25–34

249

364

35–44

359

400

45–54

395

214

55–59

212

231

60–64

228

283

65–74

280

75–84

111

85+

109

← Male

Female →

Age summary

Group	Count	%
Under 18	1,254	22.5%
18 and over	4,311	77.5%
65 and over	939	16.9%
Median age	39.8 years

Race & ethnicity

White 77.6%

Hispanic or Latino 8.1%

Other race 5.9%

Asian 5.7%

Two or more races 2.4%

Black or African American 0.3%

Group	Count	%
White	4,704	77.6%
Hispanic or Latino	493	8.1%
Other race	355	5.9%
Asian	345	5.7%
Two or more races	145	2.4%
Black or African American	16	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.9%	27.3%	37.0%
$50k – $100k	22.8%	23.0%	27.0%
$100k – $200k	35.9%	26.5%	24.4%
Over $200k	31.4%	23.2%	11.5%

Under $10k 1.6%

$10k–$15k 1.6%

$15k–$25k 2.3%

$25k–$35k 0.3%

$35k–$50k 4.5%

$50k–$75k 13.8%

$75k–$100k 10.5%

$100k–$150k 13.1%

$150k–$200k 11.3%

$200k+ 41.2%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.6%
$15k–$25k	2.3%
$25k–$35k	0.3%
$35k–$50k	4.5%
$50k–$75k	13.8%
$75k–$100k	10.5%
$100k–$150k	13.1%
$150k–$200k	11.3%
$200k+	41.2%
Median income	$161,154

Housing

Home values

$200k–$300k 0.7%

$300k–$500k 9.0%

$500k–$1M 76.0%

$1M+ 14.4%

Housing overview

Metric	Value
Median home value	$693,600
Median rent / month	$1,842
Owner occupied	88.5%
Renter occupied	11.5%
Vacant	1.6%
Single-family detached	85.0%
Large apartment buildings	1.8%
Mobile homes	0.0%
Median rooms	6.7
Avg household size (owned)	3.23

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	4.6%
1990–1999	6.1%
1980–1989	6.8%
1970–1979	11.8%
1960–1969	22.0%
1950–1959	32.5%
1940–1949	4.3%
1939 or earlier	10.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	3.1%
2 bedrooms	13.7%
3 bedrooms	43.6%
4 bedrooms	32.1%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	13.9%
2 vehicles	51.0%
3 or more	30.7%

Heating fuel

Fuel type	%
Utility gas	42.1%
Electricity	2.7%
Propane / LP gas	1.6%
Fuel oil	52.4%
Wood	1.3%

Households & families

Household type	Count	%
Married-couple family	1,271	73.7%
Cohabiting couple	71	4.1%
Male householder, no spouse	155	9.0%
Female householder, no spouse	227	13.2%
Households with children under 18	645	37.4%
Households with seniors (65+)	597	34.6%
Average household size	3.12

Marital status

Status	Male	Female
Never married	27.8%	28.4%
Married	65.4%	59.8%
Separated	0.0%	2.0%
Widowed	3.5%	4.5%
Divorced	3.3%	5.3%

Education

Less than 9th grade 3.5%

Some HS, no diploma 2.6%

HS graduate 17.9%

Some college, no degree 13.9%

Associate's degree 10.7%

Bachelor's degree 28.3%

Graduate / professional 23.2%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	51.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	70	5.6%
Kindergarten	7	0.6%
Elementary school	452	36.4%
High school	274	22.1%
College / grad school	438	35.3%

Employment

Industry of employment

Education & healthcare 24.6%

Professional & management 14.2%

Construction 11.4%

Arts, food & hospitality 10.6%

Public administration 8.7%

Retail trade 7.8%

Finance & real estate 7.2%

Manufacturing 5.5%

Information 3.6%

Other services 3.5%

Transportation & utilities 1.5%

Wholesale trade 1.4%

Occupation

Category	%
Management, business & arts	50.6%
Service	13.8%
Sales & office	22.1%
Natural resources & construction	9.0%
Production & transportation	4.5%

Employment type

Type	%
Private sector	79.0%
Government	17.7%
Self-employed	3.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.2%
Carpool	3.7%
Public transit	11.7%
Walk	1.9%
Work from home	13.1%
Other means	0.4%
Avg commute (minutes)	29.5

Poverty

All people 5.2%

Under 18 years 0.0%

18 and over 6.7%

Married-couple families 1.3%

Female-led households 7.6%

Income support

Source	% of households
Social Security	38.0%
Retirement income	31.8%
Supplemental Security	10.2%
Cash public assistance	3.0%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
Obesity	18.6%
High blood pressure	25.9%
High cholesterol	30.9%
Diabetes	7.4%
Heart disease	5.3%
Stroke	2.3%
Asthma	8.6%
Arthritis	19.6%
Kidney disease	2.5%
Pulmonary disease	4.8%
Cancer	7.6%

Behavior / access	%
Smoking	10.1%
Binge drinking	16.0%
No physical activity	17.2%
Less than 7 hrs sleep	29.4%
Depression	17.0%
Fair or poor health	8.4%
Poor mental health	11.3%
Poor physical health	7.5%
No health insurance	8.2%
Visited doctor (checkup)	77.2%
Visited dentist	76.6%
Cholesterol screening	93.4%
Teeth loss	8.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	251	5.8%

Disability	%
Any disability	7.4%
Under 18	0.0%
18–64 years	5.2%
65 and over	25.4%

Health insurance coverage

Type	%
Private insurance	87.8%
Public insurance	27.1%
No insurance	1.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,206	93.5%
Spanish	216	4.1%
Other Indo-European	93	1.8%
Asian & Pacific Islander	92	1.8%
Other languages	31	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,868	87.5%
Born in same state	4,732	85.0%
Born in different state	3,913	70.3%
Foreign born	136	2.4%
Naturalized citizen	697	12.5%
Not a US citizen	547	78.5%

Ancestry

Ancestry	Count	%
Italian	1,171	21%
French	453	8.1%
Arab	140	2.5%
Irish	38	0.7%

Ancestry	Count	%
German	26	0.5%
English	16	0.3%
Polish	15	0.3%
Norwegian	9	0.2%

Technology access

Metric	% of households
Computer access	31.0%
Internet access	97.7%

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

Frequently asked questions about ZIP code 10594

What city is ZIP code 10594 in?

ZIP code 10594 is primarily assigned to Thornwood, New York.

What county is ZIP code 10594 in?

ZIP code 10594 falls within Westchester County, New York.

Is ZIP code 10594 mostly owner-occupied?

89% of occupied units in ZIP code 10594 are owner-occupied, well above the national average.

How educated is the population of ZIP code 10594?

51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 10594 have a large retiree population?

38% of households in ZIP code 10594 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 10594?

The median household income in ZIP code 10594 is $161,154, above the national median of ~$75,000.

What timezone is ZIP code 10594 in?

ZIP code 10594 observes the EST timezone.