12542 ZIP Code — Marlboro, NY

Ulster County, New York

ZIP code 12542 is located in Marlboro, New York, within Ulster County. It covers approximately 14.39 square miles and serves a population of 5,490 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 845.

About ZIP code 12542

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $323,600. Owner-occupancy sits near the national average at 74%.

The gap between median ($110,047) 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. 37% 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 33 minutes is near the national average.

Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.

5,490

population

14.39

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

12542 ZIP code map

Cities in ZIP code 12542

Below are the cities the US Postal Service accepts for ZIP code 12542. Using any city not on this list may result in mail delivery delays.

City	Status
Marlboro	Acceptable
Marlboro	Preferred

Nearby ZIP codes

12547 Milton (2.7 mi) 12550 Newburgh (5.8 mi) 12515 Clintondale (5.9 mi) 12590 Wappingers Falls (5.9 mi) 12548 Modena (6.3 mi) 12601 Poughkeepsie (7.1 mi) 12604 Poughkeepsie (7.3 mi) 12524 Fishkill (7.7 mi) 12528 Highland (8 mi) 12603 Poughkeepsie (8.2 mi) 12508 Beacon (8.8 mi) 12589 Wallkill (9.1 mi)

Demographics updated 06/2026

Population
Total population	5,490
Population density	382 / sq mi
State FIPS	36
County FIPS	111

Geography
Land area	14.39 sq mi
Water area	0.20 sq mi
Latitude	41.6137
Longitude	-73.9957
Timezone	Eastern (ET)
Area code	845

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.3%	38.7%	37.0%
$50k – $100k	26.4%	29.7%	27.0%
$100k – $200k	30.0%	24.1%	24.4%
Over $200k	16.3%	7.5%	11.5%

Demographics & statistics

5,490

Population

382

People per sq mi

46.4

Median age

$110,047

Median household income

$59,455

Per capita income

$323,600

Median home value

$1,216

Median monthly rent

74.4%

Home ownership

4.8%

Poverty rate

0.4%

Unemployment

1,951

Housing units

41.5%

Bachelor's or higher

Age distribution

Male Female

136

Under 5

135

142

5–9

142

178

10–14

178

133

15–19

133

20–24

247

25–34

247

413

35–44

412

338

45–54

338

232

55–59

232

268

60–64

267

293

65–74

293

243

75–84

242

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,065	19.4%
18 and over	4,425	80.6%
65 and over	1,170	21.3%
Median age	46.4 years

Race & ethnicity

White 85.2%

Two or more races 6%

Hispanic or Latino 5.5%

Black or African American 1.7%

Other race 0.8%

Asian 0.6%

American Indian / Alaska Native 0.3%

Group	Count	%
White	4,948	85.2%
Two or more races	348	6%
Hispanic or Latino	320	5.5%
Black or African American	98	1.7%
Other race	46	0.8%
Asian	35	0.6%
American Indian / Alaska Native	15	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.3%	38.7%	37.0%
$50k – $100k	26.4%	29.7%	27.0%
$100k – $200k	30.0%	24.1%	24.4%
Over $200k	16.3%	7.5%	11.5%

$10k–$15k 2.0%

$15k–$25k 7.1%

$25k–$35k 7.7%

$35k–$50k 6.2%

$50k–$75k 16.2%

$75k–$100k 6.9%

$100k–$150k 20.1%

$150k–$200k 9.2%

$200k+ 24.6%

Range	% of households
$10k–$15k	2.0%
$15k–$25k	7.1%
$25k–$35k	7.7%
$35k–$50k	6.2%
$50k–$75k	16.2%
$75k–$100k	6.9%
$100k–$150k	20.1%
$150k–$200k	9.2%
$200k+	24.6%
Median income	$110,047

Housing

Home values

Under $50k 1.6%

$50k–$100k 2.0%

$100k–$150k 1.1%

$150k–$200k 6.4%

$200k–$300k 33.9%

$300k–$500k 43.9%

$500k–$1M 10.4%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$323,600
Median rent / month	$1,216
Owner occupied	74.4%
Renter occupied	25.6%
Vacant	9.7%
Single-family detached	75.2%
Large apartment buildings	3.1%
Mobile homes	3.7%
Median rooms	6.2
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.0%
2010–2019	7.0%
2000–2009	16.3%
1990–1999	16.6%
1980–1989	10.9%
1970–1979	10.6%
1960–1969	10.5%
1950–1959	8.8%
1940–1949	3.8%
1939 or earlier	15.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	8.3%
2 bedrooms	20.6%
3 bedrooms	41.1%
4 bedrooms	25.0%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	29.3%
2 vehicles	32.9%
3 or more	32.8%

Heating fuel

Fuel type	%
Utility gas	7.8%
Electricity	9.1%
Propane / LP gas	21.6%
Fuel oil	56.4%
Wood	3.9%

Households & families

Household type	Count	%
Married-couple family	1,198	52.3%
Cohabiting couple	166	7.2%
Male householder, no spouse	359	15.7%
Female householder, no spouse	569	24.8%
Households with children under 18	531	23.2%
Households with seniors (65+)	838	36.6%
Average household size	2.38

Marital status

Status	Male	Female
Never married	23.0%	20.9%
Married	63.8%	50.2%
Separated	0.8%	1.3%
Widowed	4.4%	11.0%
Divorced	8.0%	16.6%

Education

Less than 9th grade 3.1%

Some HS, no diploma 2.9%

HS graduate 24.3%

Some college, no degree 16.6%

Associate's degree 11.6%

Bachelor's degree 24.4%

Graduate / professional 17.1%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	41.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	49	4.6%
Kindergarten	70	6.6%
Elementary school	509	48.2%
High school	245	23.2%
College / grad school	184	17.4%

Employment

Industry of employment

Education & healthcare 32.4%

Manufacturing 11.1%

Professional & management 9.6%

Public administration 8.4%

Finance & real estate 6.3%

Construction 6.0%

Arts, food & hospitality 5.9%

Other services 5.9%

Transportation & utilities 3.4%

Information 3.2%

Retail trade 3.1%

Wholesale trade 2.9%

Agriculture & mining 1.8%

Occupation

Category	%
Management, business & arts	47.0%
Service	20.5%
Sales & office	9.9%
Natural resources & construction	16.0%
Production & transportation	6.6%

Employment type

Type	%
Private sector	79.4%
Government	18.2%
Self-employed	2.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.8%
Carpool	9.8%
Public transit	0.8%
Walk	0.4%
Work from home	8.7%
Other means	0.4%
Avg commute (minutes)	32.8

Poverty

All people 4.8%

Under 18 years 7.7%

18 and over 4.1%

Married-couple families 1.2%

Female-led households 15.9%

Income support

Source	% of households
Social Security	37.1%
Retirement income	31.2%
Supplemental Security	4.1%
Cash public assistance	0.4%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
Obesity	26.6%
High blood pressure	29.4%
High cholesterol	32.5%
Diabetes	7.8%
Heart disease	5.5%
Stroke	2.5%
Asthma	9.8%
Arthritis	21.9%
Kidney disease	2.5%
Pulmonary disease	5.5%
Cancer	6.9%

Behavior / access	%
Smoking	14.3%
Binge drinking	18.3%
No physical activity	19.9%
Less than 7 hrs sleep	29.5%
Depression	19.4%
Fair or poor health	10.2%
Poor mental health	13.2%
Poor physical health	8.3%
No health insurance	9.8%
Visited doctor (checkup)	76.3%
Visited dentist	71.2%
Cholesterol screening	91.9%
Teeth loss	10.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	177	4.0%

Disability	%
Any disability	12.9%
Under 18	4.6%
18–64 years	11.2%
65 and over	25.1%

Health insurance coverage

Type	%
Private insurance	78.2%
Public insurance	34.6%
No insurance	4.4%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,219	95.1%
Spanish	67	1.3%
Other Indo-European	32	0.6%
Asian & Pacific Islander	19	0.4%
Other languages	16	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,247	95.6%
Born in same state	5,131	93.5%
Born in different state	4,540	82.7%
Foreign born	116	2.1%
Naturalized citizen	243	4.4%
Not a US citizen	193	79.4%

Ancestry

Ancestry	Count	%
Italian	1,485	27%
French	506	9.2%
Arab	246	4.5%
Irish	104	1.9%

Ancestry	Count	%
English	46	0.8%
German	28	0.5%
Polish	19	0.3%

Technology access

Metric	% of households
Computer access	41.7%
Internet access	93.1%

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

Frequently asked questions about ZIP code 12542

What city is ZIP code 12542 in?

ZIP code 12542 is primarily assigned to Marlboro, New York.

What county is ZIP code 12542 in?

ZIP code 12542 falls within Ulster County, New York.

Does ZIP code 12542 have a large retiree population?

37% of households in ZIP code 12542 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 12542?

The median household income in ZIP code 12542 is $110,047, above the national median of ~$75,000.

What is the typical home value in ZIP code 12542?

The median home value in ZIP code 12542 is $323,600.

What is the population of ZIP code 12542?

ZIP code 12542 has an estimated population of 5,490 residents, with a density of 381 people per square mile.

What timezone is ZIP code 12542 in?

ZIP code 12542 observes the EST timezone.