01571 ZIP Code — Dudley, MA

Worcester County, Massachusetts

ZIP code 01571 is located in Dudley, Massachusetts, within Worcester County. It covers approximately 20.83 square miles and serves a population of 11,885 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 508/774.

About ZIP code 01571

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $344,900. Owner-occupancy sits near the national average at 71%.

Median household income is $87,306. The poverty rate of 7% is below the national average. 34% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

11,885

population

20.83

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

01571 ZIP code map

Cities in ZIP code 01571

Below are the cities the US Postal Service accepts for ZIP code 01571. Using any city not on this list may result in mail delivery delays.

City	Status
Dudley	Acceptable

Demographics updated 06/2026

Population
Total population	11,885
Population density	571 / sq mi
State FIPS	25
County FIPS	027

Geography
Land area	20.83 sq mi
Water area	1.06 sq mi
Latitude	42.0597
Longitude	-71.9368
Timezone	Eastern (ET)
Area code	508/774

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.5%	33.6%	31.3%
$50k – $100k	27.0%	27.5%	25.9%
$100k – $200k	32.9%	28.7%	28.5%
Over $200k	4.7%	10.3%	14.3%

Demographics & statistics

11,885

Population

571

People per sq mi

41.0

Median age

$87,306

Median household income

$35,636

Per capita income

$344,900

Median home value

$1,127

Median monthly rent

70.6%

Home ownership

7.3%

Poverty rate

6.0%

Unemployment

3,109

Housing units

27.9%

Bachelor's or higher

Age distribution

Male Female

102

Under 5

108

348

5–9

370

411

10–14

437

686

15–19

731

535

20–24

569

451

25–34

480

629

35–44

669

899

45–54

958

337

55–59

359

381

60–64

405

488

65–74

519

300

75–84

320

190

85+

203

← Male

Female →

Age summary

Group	Count	%
Under 18	2,324	19.6%
18 and over	9,561	80.4%
65 and over	2,020	17.0%
Median age	41.0 years

Race & ethnicity

White 85.7%

Black or African American 4.5%

Asian 3.5%

Two or more races 3.4%

Hispanic or Latino 1.9%

Other race 0.9%

Group	Count	%
White	10,385	85.7%
Black or African American	546	4.5%
Asian	428	3.5%
Two or more races	413	3.4%
Hispanic or Latino	227	1.9%
Other race	113	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.5%	33.6%	31.3%
$50k – $100k	27.0%	27.5%	25.9%
$100k – $200k	32.9%	28.7%	28.5%
Over $200k	4.7%	10.3%	14.3%

Under $10k 3.8%

$10k–$15k 2.7%

$15k–$25k 10.4%

$25k–$35k 5.2%

$35k–$50k 7.6%

$50k–$75k 14.1%

$75k–$100k 14.2%

$100k–$150k 22.4%

$150k–$200k 10.3%

$200k+ 9.2%

Range	% of households
Under $10k	3.8%
$10k–$15k	2.7%
$15k–$25k	10.4%
$25k–$35k	5.2%
$35k–$50k	7.6%
$50k–$75k	14.1%
$75k–$100k	14.2%
$100k–$150k	22.4%
$150k–$200k	10.3%
$200k+	9.2%
Median income	$87,306

Housing

Home values

Under $50k 3.6%

$50k–$100k 1.1%

$100k–$150k 2.5%

$150k–$200k 1.7%

$200k–$300k 23.2%

$300k–$500k 56.7%

$500k–$1M 10.0%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$344,900
Median rent / month	$1,127
Owner occupied	70.6%
Renter occupied	29.4%
Vacant	2.0%
Single-family detached	73.6%
Large apartment buildings	0.9%
Mobile homes	0.0%
Median rooms	5.9
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.0%
2010–2019	1.0%
2000–2009	10.7%
1990–1999	11.1%
1980–1989	10.3%
1970–1979	11.4%
1960–1969	13.7%
1950–1959	13.3%
1940–1949	3.5%
1939 or earlier	25.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.0%
2 bedrooms	26.9%
3 bedrooms	39.3%
4 bedrooms	21.3%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	10.3%
1 vehicle	28.9%
2 vehicles	33.7%
3 or more	27.1%

Heating fuel

Fuel type	%
Utility gas	15.2%
Electricity	21.8%
Propane / LP gas	2.6%
Fuel oil	55.1%
Wood	3.5%
Solar	1.2%

Households & families

Household type	Count	%
Married-couple family	2,107	49.3%
Cohabiting couple	325	7.6%
Male householder, no spouse	679	15.9%
Female householder, no spouse	1,166	27.3%
Households with children under 18	1,445	33.8%
Households with seniors (65+)	1,469	34.3%
Average household size	2.56

Marital status

Status	Male	Female
Never married	38.6%	34.9%
Married	47.6%	41.3%
Separated	0.6%	1.0%
Widowed	2.4%	10.5%
Divorced	10.7%	12.2%

Education

Less than 9th grade 2.1%

Some HS, no diploma 4.9%

HS graduate 30.2%

Some college, no degree 23.1%

Associate's degree 11.8%

Bachelor's degree 18.2%

Graduate / professional 9.6%

Metric	%
HS diploma or higher	93.0%
Bachelor's or higher	27.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	53	1.4%
Kindergarten	64	1.6%
Elementary school	1,281	32.6%
High school	824	21.0%
College / grad school	1,703	43.4%

Employment

Industry of employment

Education & healthcare 27.8%

Manufacturing 13.0%

Arts, food & hospitality 11.8%

Retail trade 10.6%

Finance & real estate 9.0%

Construction 6.4%

Other services 6.3%

Transportation & utilities 4.8%

Professional & management 4.7%

Public administration 3.2%

Wholesale trade 1.1%

Information 1.0%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	36.4%
Service	19.5%
Sales & office	23.0%
Natural resources & construction	9.3%
Production & transportation	11.8%

Employment type

Type	%
Private sector	79.0%
Government	14.9%
Self-employed	5.0%
Unpaid family workers	1.1%

Commute

Method	%
Drive alone	82.4%
Carpool	5.9%
Public transit	0.0%
Walk	3.9%
Work from home	6.4%
Other means	1.4%
Avg commute (minutes)	25.3

Poverty

All people 7.3%

Under 18 years 7.3%

18 and over 7.3%

Married-couple families 2.3%

Female-led households 14.5%

Income support

Source	% of households
Social Security	34.1%
Retirement income	22.8%
Supplemental Security	6.5%
Cash public assistance	1.1%
Food stamps / SNAP	14.1%

Health indicators

Condition	%
Obesity	28.8%
High blood pressure	26.5%
High cholesterol	29.2%
Diabetes	7.3%
Heart disease	5.1%
Stroke	2.3%
Asthma	10.7%
Arthritis	24.6%
Kidney disease	2.3%
Pulmonary disease	5.2%
Cancer	6.3%

Behavior / access	%
Smoking	14.8%
Binge drinking	18.9%
No physical activity	19.8%
Less than 7 hrs sleep	32.3%
Depression	20.0%
Fair or poor health	9.8%
Poor mental health	14.7%
Poor physical health	8.1%
No health insurance	6.1%
Visited doctor (checkup)	79.0%
Visited dentist	74.8%
Cholesterol screening	89.4%
Teeth loss	11.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	380	4.0%

Disability	%
Any disability	15.4%
Under 18	4.2%
18–64 years	14.0%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	77.3%
Public insurance	34.8%
No insurance	2.1%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,675	98.2%
Spanish	435	3.7%
Other Indo-European	75	0.6%
Asian & Pacific Islander	232	2.0%
Other languages	25	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,849	91.3%
Born in same state	10,686	89.9%
Born in different state	8,636	72.7%
Foreign born	163	1.4%
Naturalized citizen	1,036	8.7%
Not a US citizen	740	71.4%

Ancestry

Ancestry	Count	%
Italian	1,836	15.4%
German	1,044	8.8%
Arab	911	7.7%
French	778	6.5%

Ancestry	Count	%
Irish	80	0.7%
Norwegian	56	0.5%
English	36	0.3%
Polish	14	0.1%

Technology access

Metric	% of households
Computer access	36.0%
Internet access	91.5%

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

Frequently asked questions about ZIP code 01571

What city is ZIP code 01571 in?

ZIP code 01571 is primarily assigned to Dudley, Massachusetts.

What county is ZIP code 01571 in?

ZIP code 01571 falls within Worcester County, Massachusetts.

What is the typical home value in ZIP code 01571?

The median home value in ZIP code 01571 is $344,900.

What is the population of ZIP code 01571?

ZIP code 01571 has an estimated population of 11,885 residents, with a density of 571 people per square mile.

What is the median household income in ZIP code 01571?

The median household income in ZIP code 01571 is $87,306, above the national median of ~$75,000.

What timezone is ZIP code 01571 in?

ZIP code 01571 observes the EST timezone.