01373 ZIP Code — South Deerfield, MA

Franklin County, Massachusetts

ZIP code 01373 is located in South Deerfield, Massachusetts, within Franklin County. It covers approximately 23.07 square miles and serves a population of 4,921 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 413.

About ZIP code 01373

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $391,900. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($96,546) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 36% 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 20 minutes is near the national average.

Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.

Overall, ZIP code 01373 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,921

population

23.07

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01373 ZIP code map

Cities in ZIP code 01373

Below are the cities the US Postal Service accepts for ZIP code 01373. Using any city not on this list may result in mail delivery delays.

City	Status
South Deerfield	Acceptable
South Deerfield	Preferred

Nearby ZIP codes

01375 Sunderland (3.1 mi) 01342 Deerfield (5.2 mi) 01341 Conway (5.2 mi) 01039 Haydenville (5.2 mi) 01038 Hatfield (5.5 mi) 01054 Leverett (6.6 mi) 01003 Amherst (7 mi) 01035 Hadley (7.7 mi) 01351 Montague (7.9 mi) 01096 Williamsburg (8 mi) 01053 Leeds (9.3 mi) 01060 Northampton (9.4 mi)

Demographics updated 06/2026

Population
Total population	4,921
Population density	213 / sq mi
State FIPS	25
County FIPS	011

Geography
Land area	23.07 sq mi
Water area	0.54 sq mi
Latitude	42.4649
Longitude	-72.6172
Timezone	Eastern (ET)
Area code	413

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.6%	41.3%	31.3%
$50k – $100k	43.8%	32.2%	25.9%
$100k – $200k	26.6%	21.6%	28.5%
Over $200k	8.1%	4.8%	14.3%

Demographics & statistics

4,921

Population

213

People per sq mi

52.3

Median age

$96,546

Median household income

$62,237

Per capita income

$391,900

Median home value

$1,312

Median monthly rent

81.6%

Home ownership

3.4%

Poverty rate

4.4%

Unemployment

1,970

Housing units

43.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

114

10–14

125

199

15–19

217

20–24

173

25–34

189

252

35–44

275

361

45–54

393

234

55–59

254

287

60–64

312

334

65–74

363

150

75–84

164

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	792	16.1%
18 and over	4,129	83.9%
65 and over	1,129	22.9%
Median age	52.3 years

Race & ethnicity

White 97.3%

Two or more races 2.4%

Black or African American 0.2%

Hispanic or Latino 0.1%

Group	Count	%
White	4,789	97.3%
Two or more races	120	2.4%
Black or African American	11	0.2%
Hispanic or Latino	3	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.6%	41.3%	31.3%
$50k – $100k	43.8%	32.2%	25.9%
$100k – $200k	26.6%	21.6%	28.5%
Over $200k	8.1%	4.8%	14.3%

Under $10k 0.2%

$10k–$15k 1.4%

$15k–$25k 7.5%

$25k–$35k 6.5%

$35k–$50k 2.6%

$50k–$75k 23.8%

$75k–$100k 9.5%

$100k–$150k 25.6%

$150k–$200k 6.8%

$200k+ 16.2%

Range	% of households
Under $10k	0.2%
$10k–$15k	1.4%
$15k–$25k	7.5%
$25k–$35k	6.5%
$35k–$50k	2.6%
$50k–$75k	23.8%
$75k–$100k	9.5%
$100k–$150k	25.6%
$150k–$200k	6.8%
$200k+	16.2%
Median income	$96,546

Housing

Home values

Under $50k 2.1%

$50k–$100k 0.5%

$150k–$200k 2.7%

$200k–$300k 15.6%

$300k–$500k 51.7%

$500k–$1M 19.8%

$1M+ 7.5%

Housing overview

Metric	Value
Median home value	$391,900
Median rent / month	$1,312
Owner occupied	81.6%
Renter occupied	18.4%
Vacant	3.6%
Single-family detached	69.2%
Large apartment buildings	0.6%
Mobile homes	0.6%
Median rooms	7.0
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	5.7%
1990–1999	5.8%
1980–1989	23.0%
1970–1979	16.8%
1960–1969	8.6%
1950–1959	3.2%
1940–1949	3.7%
1939 or earlier	28.6%

Bedrooms

Size	% of units
No bedroom (studio)	4.0%
1 bedroom	3.8%
2 bedrooms	17.8%
3 bedrooms	45.1%
4 bedrooms	20.9%
5+ bedrooms	8.4%

Vehicles per household

Vehicles	% of households
No vehicle	6.2%
1 vehicle	34.9%
2 vehicles	40.8%
3 or more	18.1%

Heating fuel

Fuel type	%
Utility gas	24.6%
Electricity	14.6%
Propane / LP gas	15.0%
Fuel oil	40.1%
Wood	4.0%

Households & families

Household type	Count	%
Married-couple family	1,090	47.2%
Cohabiting couple	128	5.5%
Male householder, no spouse	402	17.4%
Female householder, no spouse	689	29.8%
Households with children under 18	512	22.2%
Households with seniors (65+)	876	37.9%
Average household size	2.13

Marital status

Status	Male	Female
Never married	30.2%	25.5%
Married	56.8%	49.4%
Separated	1.7%	1.1%
Widowed	1.1%	12.6%
Divorced	10.2%	11.5%

Education

Less than 9th grade 0.2%

Some HS, no diploma 3.0%

HS graduate 18.8%

Some college, no degree 19.9%

Associate's degree 14.8%

Bachelor's degree 21.8%

Graduate / professional 21.5%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	43.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	2.4%
Kindergarten	24	2.6%
Elementary school	371	40.2%
High school	320	34.6%
College / grad school	187	20.2%

Employment

Industry of employment

Education & healthcare 33.7%

Manufacturing 14.0%

Construction 11.3%

Professional & management 9.4%

Retail trade 8.1%

Information 3.8%

Public administration 3.8%

Agriculture & mining 3.6%

Transportation & utilities 3.5%

Finance & real estate 3.0%

Arts, food & hospitality 3.0%

Other services 2.3%

Wholesale trade 0.4%

Occupation

Category	%
Management, business & arts	57.5%
Service	10.9%
Sales & office	19.5%
Natural resources & construction	5.3%
Production & transportation	6.7%

Employment type

Type	%
Private sector	73.4%
Government	15.7%
Self-employed	10.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.2%
Carpool	9.4%
Public transit	1.3%
Walk	1.0%
Work from home	13.9%
Other means	0.2%
Avg commute (minutes)	19.7

Poverty

All people 3.4%

Under 18 years 6.0%

18 and over 2.9%

Married-couple families 1.7%

Female-led households 3.9%

Income support

Source	% of households
Social Security	35.6%
Retirement income	30.5%
Supplemental Security	4.2%
Cash public assistance	1.9%
Food stamps / SNAP	4.9%

Health indicators

Condition	%
Obesity	25.4%
High blood pressure	29.1%
High cholesterol	31.0%
Diabetes	8.3%
Heart disease	6.1%
Stroke	2.7%
Asthma	10.5%
Arthritis	26.3%
Kidney disease	2.7%
Pulmonary disease	5.7%
Cancer	7.7%

Behavior / access	%
Smoking	13.1%
Binge drinking	17.0%
No physical activity	18.2%
Less than 7 hrs sleep	28.8%
Depression	20.1%
Fair or poor health	10.5%
Poor mental health	13.1%
Poor physical health	8.7%
No health insurance	5.3%
Visited doctor (checkup)	76.6%
Visited dentist	73.0%
Cholesterol screening	92.4%
Teeth loss	9.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	183	4.4%

Disability	%
Any disability	11.2%
Under 18	3.7%
18–64 years	5.7%
65 and over	31.4%

Health insurance coverage

Type	%
Private insurance	89.0%
Public insurance	31.8%
No insurance	0.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,843	98.4%
Spanish	32	0.7%
Other Indo-European	19	0.4%
Asian & Pacific Islander	13	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,655	94.6%
Born in same state	4,644	94.4%
Born in different state	3,375	68.6%
Foreign born	11	0.2%
Naturalized citizen	266	5.4%
Not a US citizen	119	44.7%

Ancestry

Ancestry	Count	%
Italian	1,248	25.4%
French	934	19%
German	310	6.3%
Arab	305	6.2%

Ancestry	Count	%
Polish	129	2.6%
Norwegian	93	1.9%
English	27	0.5%
Irish	15	0.3%

Technology access

Metric	% of households
Computer access	46.9%
Internet access	89.6%

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

Frequently asked questions about ZIP code 01373

What city is ZIP code 01373 in?

ZIP code 01373 is primarily assigned to South Deerfield, Massachusetts.

What county is ZIP code 01373 in?

ZIP code 01373 falls within Franklin County, Massachusetts.

Is ZIP code 01373 mostly owner-occupied?

82% of occupied units in ZIP code 01373 are owner-occupied, well above the national average.

Does ZIP code 01373 have a large retiree population?

36% of households in ZIP code 01373 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 01373?

The median home value in ZIP code 01373 is $391,900.

What is the population of ZIP code 01373?

ZIP code 01373 has an estimated population of 4,921 residents, with a density of 213 people per square mile.

What timezone is ZIP code 01373 in?

ZIP code 01373 observes the EST timezone.