01520 ZIP Code — Holden, MA

Worcester County, Massachusetts

ZIP code 01520 is located in Holden, Massachusetts, within Worcester County. It covers approximately 18.83 square miles and serves a population of 16,893 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 774/508.

About ZIP code 01520

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 $413,700. Owner-occupancy is high at 86%, well above the national average.

Median household income is $141,508. 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 26 minutes is near the national average.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01520 reflects a community defined by a highly educated population and high homeownership.

16,893

population

18.83

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01520 ZIP code map

Cities in ZIP code 01520

Below are the cities the US Postal Service accepts for ZIP code 01520. Using any city not on this list may result in mail delivery delays.

City	Status
Holden	Preferred

Nearby ZIP codes

01522 Jefferson (3.1 mi) 01606 Worcester (3.2 mi) 01609 Worcester (3.4 mi) 01583 West Boylston (4 mi) 01602 Worcester (4.1 mi) 01605 Worcester (4.3 mi) 01612 Paxton (4.3 mi) 01655 Worcester (5.5 mi) 01653 Worcester (5.5 mi) 01608 Worcester (5.8 mi) 01603 Worcester (6.2 mi) 01543 Rutland (6.5 mi)

Demographics updated 06/2026

Population
Total population	16,893
Population density	897 / sq mi
State FIPS	25
County FIPS	027

Geography
Land area	18.83 sq mi
Water area	0.70 sq mi
Latitude	42.3338
Longitude	-71.8533
Timezone	Eastern (ET)
Area code	774/508

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.5%	33.6%	31.3%
$50k – $100k	21.9%	27.5%	25.9%
$100k – $200k	37.6%	28.7%	28.5%
Over $200k	20.0%	10.3%	14.3%

Demographics & statistics

16,893

Population

897

People per sq mi

41.5

Median age

$141,508

Median household income

$55,466

Per capita income

$413,700

Median home value

$1,603

Median monthly rent

85.9%

Home ownership

4.4%

Poverty rate

5.2%

Unemployment

5,137

Housing units

60.1%

Bachelor's or higher

Age distribution

Male Female

525

Under 5

553

602

5–9

636

657

10–14

694

500

15–19

527

377

20–24

398

691

25–34

728

1,170

35–44

1,234

1,165

45–54

1,228

666

55–59

702

518

60–64

547

740

65–74

781

453

75–84

477

158

85+

166

← Male

Female →

Age summary

Group	Count	%
Under 18	4,479	26.5%
18 and over	12,414	73.5%
65 and over	2,775	16.4%
Median age	41.5 years

Race & ethnicity

White 83.2%

Two or more races 6.1%

Hispanic or Latino 4.7%

Black or African American 2.5%

Asian 2.1%

Other race 1%

Native Hawaiian / Pacific Islander 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	14,763	83.2%
Two or more races	1,078	6.1%
Hispanic or Latino	842	4.7%
Black or African American	445	2.5%
Asian	376	2.1%
Other race	186	1%
Native Hawaiian / Pacific Islander	33	0.2%
American Indian / Alaska Native	12	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.5%	33.6%	31.3%
$50k – $100k	21.9%	27.5%	25.9%
$100k – $200k	37.6%	28.7%	28.5%
Over $200k	20.0%	10.3%	14.3%

Under $10k 2.3%

$10k–$15k 1.9%

$15k–$25k 2.4%

$25k–$35k 4.8%

$35k–$50k 4.3%

$50k–$75k 8.3%

$75k–$100k 9.9%

$100k–$150k 19.7%

$150k–$200k 19.8%

$200k+ 26.6%

Range	% of households
Under $10k	2.3%
$10k–$15k	1.9%
$15k–$25k	2.4%
$25k–$35k	4.8%
$35k–$50k	4.3%
$50k–$75k	8.3%
$75k–$100k	9.9%
$100k–$150k	19.7%
$150k–$200k	19.8%
$200k+	26.6%
Median income	$141,508

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.6%

$100k–$150k 0.6%

$150k–$200k 1.7%

$200k–$300k 16.6%

$300k–$500k 46.9%

$500k–$1M 31.6%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$413,700
Median rent / month	$1,603
Owner occupied	85.9%
Renter occupied	14.1%
Vacant	0.0%
Single-family detached	83.8%
Large apartment buildings	1.1%
Mobile homes	0.0%
Median rooms	6.7
Avg household size (owned)	2.96

Year built

Era	%
2020 or later	0.0%
2010–2019	10.3%
2000–2009	12.2%
1990–1999	7.4%
1980–1989	9.0%
1970–1979	8.2%
1960–1969	15.2%
1950–1959	22.3%
1940–1949	4.2%
1939 or earlier	11.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	6.7%
2 bedrooms	15.7%
3 bedrooms	44.6%
4 bedrooms	25.6%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	27.3%
2 vehicles	46.5%
3 or more	24.0%

Heating fuel

Fuel type	%
Utility gas	20.3%
Electricity	7.0%
Propane / LP gas	5.1%
Fuel oil	62.8%
Wood	2.3%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	3,784	63.3%
Cohabiting couple	256	4.3%
Male householder, no spouse	657	11.0%
Female householder, no spouse	1,281	21.4%
Households with children under 18	2,338	39.1%
Households with seniors (65+)	1,847	30.9%
Average household size	2.79

Marital status

Status	Male	Female
Never married	28.4%	21.6%
Married	62.1%	57.3%
Separated	0.4%	0.3%
Widowed	1.4%	7.2%
Divorced	7.8%	13.5%

Education

Less than 9th grade 1.7%

Some HS, no diploma 2.0%

HS graduate 15.0%

Some college, no degree 11.2%

Associate's degree 10.1%

Bachelor's degree 31.7%

Graduate / professional 28.4%

Metric	%
HS diploma or higher	96.3%
Bachelor's or higher	60.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	366	8.0%
Kindergarten	267	5.8%
Elementary school	2,053	44.7%
High school	1,045	22.7%
College / grad school	864	18.8%

Employment

Industry of employment

Education & healthcare 33.8%

Professional & management 12.2%

Manufacturing 9.7%

Finance & real estate 8.5%

Retail trade 7.6%

Arts, food & hospitality 5.9%

Public administration 5.1%

Other services 5.0%

Construction 4.8%

Transportation & utilities 2.8%

Information 2.6%

Wholesale trade 1.9%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	61.2%
Service	11.8%
Sales & office	14.0%
Natural resources & construction	5.1%
Production & transportation	7.9%

Employment type

Type	%
Private sector	76.3%
Government	16.8%
Self-employed	6.8%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	79.3%
Carpool	4.7%
Public transit	0.0%
Walk	0.8%
Work from home	14.7%
Other means	0.4%
Avg commute (minutes)	26.3

Poverty

All people 4.4%

Under 18 years 1.6%

18 and over 5.3%

Married-couple families 2.5%

Female-led households 5.6%

Income support

Source	% of households
Social Security	27.4%
Retirement income	29.0%
Supplemental Security	2.5%
Cash public assistance	1.1%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	27.4%
High blood pressure	28.3%
High cholesterol	31.7%
Diabetes	7.6%
Heart disease	5.4%
Stroke	2.3%
Asthma	9.9%
Arthritis	26.7%
Kidney disease	2.4%
Pulmonary disease	4.6%
Cancer	7.8%

Behavior / access	%
Smoking	11.0%
Binge drinking	16.6%
No physical activity	17.0%
Less than 7 hrs sleep	29.9%
Depression	17.9%
Fair or poor health	8.3%
Poor mental health	12.0%
Poor physical health	7.3%
No health insurance	4.4%
Visited doctor (checkup)	81.2%
Visited dentist	79.8%
Cholesterol screening	93.4%
Teeth loss	8.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	569	4.6%

Disability	%
Any disability	9.6%
Under 18	3.7%
18–64 years	7.7%
65 and over	26.7%

Health insurance coverage

Type	%
Private insurance	87.0%
Public insurance	25.0%
No insurance	1.6%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	15,815	93.6%
Spanish	487	3.1%
Other Indo-European	110	0.7%
Asian & Pacific Islander	200	1.3%
Other languages	82	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,379	91.0%
Born in same state	15,120	89.5%
Born in different state	12,445	73.7%
Foreign born	259	1.5%
Naturalized citizen	1,514	9.0%
Not a US citizen	900	59.4%

Ancestry

Ancestry	Count	%
Italian	4,514	26.7%
French	2,026	12%
German	901	5.3%
Arab	444	2.6%

Ancestry	Count	%
Norwegian	273	1.6%
Polish	102	0.6%
English	95	0.6%
Irish	26	0.2%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	96.6%

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

Frequently asked questions about ZIP code 01520

What city is ZIP code 01520 in?

ZIP code 01520 is primarily assigned to Holden, Massachusetts.

What county is ZIP code 01520 in?

ZIP code 01520 falls within Worcester County, Massachusetts.

How educated is the population of ZIP code 01520?

60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 01520 mostly owner-occupied?

86% of occupied units in ZIP code 01520 are owner-occupied, well above the national average.

What is the median household income in ZIP code 01520?

The median household income in ZIP code 01520 is $141,508, above the national median of ~$75,000.

What is the typical home value in ZIP code 01520?

The median home value in ZIP code 01520 is $413,700.

What timezone is ZIP code 01520 in?

ZIP code 01520 observes the EST timezone.