06791 ZIP Code — Harwinton, CT

Litchfield County, Connecticut

ZIP code 06791 is located in Harwinton, Connecticut, within Litchfield County. It covers approximately 30.87 square miles and serves a population of 5,539 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 860/959.

About ZIP code 06791

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 $345,100. Owner-occupancy is high at 94%, well above the national average.

The gap between median ($102,282) 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. 39% 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 27 minutes is near the national average.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

Overall, ZIP code 06791 reflects a community defined by high homeownership and a significant Social Security-dependent population.

5,539

population

30.87

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

06791 ZIP code map

Cities in ZIP code 06791

Below are the cities the US Postal Service accepts for ZIP code 06791. Using any city not on this list may result in mail delivery delays.

City	Status
Harwinton	Acceptable
Harwinton	Preferred

Nearby ZIP codes

06792 Torrington (1.2 mi) 06778 Northfield (3.9 mi) 06013 Burlington (5.3 mi) 06786 Terryville (6.4 mi) 06782 Plymouth (6.6 mi) 06790 Torrington (6.9 mi) 06787 Thomaston (6.9 mi) 06057 New Hartford (7 mi) 06010 Bristol (7.9 mi) 06759 Litchfield (8.2 mi) 06763 Morris (8.8 mi) 06085 Unionville (8.9 mi)

Demographics updated 05/2026

Population
Total population	5,539
Population density	179 / sq mi
State FIPS	09
County FIPS	005

Geography
Land area	30.87 sq mi
Water area	0.35 sq mi
Latitude	41.7530
Longitude	-73.0599
Timezone	Eastern (ET)
Area code	860/959

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.8%	30.2%	32.0%
$50k – $100k	31.2%	29.4%	27.7%
$100k – $200k	35.7%	30.1%	27.1%
Over $200k	18.4%	10.3%	13.2%

Demographics & statistics

5,539

Population

179

People per sq mi

46.0

Median age

$102,282

Median household income

$53,754

Per capita income

$345,100

Median home value

$1,634

Median monthly rent

93.5%

Home ownership

3.2%

Poverty rate

4.3%

Unemployment

2,198

Housing units

38.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

159

5–9

137

272

10–14

233

129

15–19

110

195

20–24

167

301

25–34

259

325

35–44

279

467

45–54

401

261

55–59

225

177

60–64

153

374

65–74

321

176

75–84

152

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,101	19.9%
18 and over	4,438	80.1%
65 and over	1,126	20.3%
Median age	46.0 years

Race & ethnicity

White 87.7%

Black or African American 4.8%

Hispanic or Latino 3.1%

Two or more races 2.4%

Asian 1%

Other race 1%

Group	Count	%
White	5,012	87.7%
Black or African American	277	4.8%
Hispanic or Latino	179	3.1%
Two or more races	140	2.4%
Asian	55	1%
Other race	55	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.8%	30.2%	32.0%
$50k – $100k	31.2%	29.4%	27.7%
$100k – $200k	35.7%	30.1%	27.1%
Over $200k	18.4%	10.3%	13.2%

Under $10k 2.1%

$15k–$25k 1.6%

$25k–$35k 3.3%

$35k–$50k 7.0%

$50k–$75k 17.3%

$75k–$100k 15.0%

$100k–$150k 14.7%

$150k–$200k 20.3%

$200k+ 18.8%

Range	% of households
Under $10k	2.1%
$15k–$25k	1.6%
$25k–$35k	3.3%
$35k–$50k	7.0%
$50k–$75k	17.3%
$75k–$100k	15.0%
$100k–$150k	14.7%
$150k–$200k	20.3%
$200k+	18.8%
Median income	$102,282

Housing

Home values

Under $50k 0.7%

$50k–$100k 1.0%

$100k–$150k 1.7%

$150k–$200k 11.4%

$200k–$300k 22.0%

$300k–$500k 48.8%

$500k–$1M 14.3%

Housing overview

Metric	Value
Median home value	$345,100
Median rent / month	$1,634
Owner occupied	93.5%
Renter occupied	6.5%
Vacant	10.8%
Single-family detached	93.2%
Large apartment buildings	0.3%
Mobile homes	0.0%
Median rooms	6.2
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	10.1%
1990–1999	7.0%
1980–1989	15.4%
1970–1979	8.3%
1960–1969	16.3%
1950–1959	17.0%
1940–1949	10.7%
1939 or earlier	14.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.9%
2 bedrooms	16.0%
3 bedrooms	54.1%
4 bedrooms	22.5%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	22.9%
2 vehicles	35.3%
3 or more	39.9%

Heating fuel

Fuel type	%
Utility gas	2.7%
Electricity	3.5%
Propane / LP gas	11.6%
Fuel oil	73.9%
Wood	7.1%

Households & families

Household type	Count	%
Married-couple family	1,188	57.0%
Cohabiting couple	188	9.0%
Male householder, no spouse	382	18.3%
Female householder, no spouse	325	15.6%
Households with children under 18	633	30.4%
Households with seniors (65+)	796	38.2%
Average household size	2.65

Marital status

Status	Male	Female
Never married	27.4%	17.8%
Married	58.5%	57.2%
Separated	2.5%	0.0%
Widowed	3.2%	8.7%
Divorced	8.3%	16.2%

Education

Less than 9th grade 1.1%

Some HS, no diploma 3.7%

HS graduate 25.4%

Some college, no degree 19.0%

Associate's degree 12.8%

Bachelor's degree 22.8%

Graduate / professional 15.3%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	38.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	0.9%
Kindergarten	9	0.7%
Elementary school	694	52.1%
High school	262	19.7%
College / grad school	355	26.7%

Employment

Industry of employment

Education & healthcare 28.3%

Manufacturing 11.9%

Retail trade 10.2%

Professional & management 7.5%

Construction 7.2%

Public administration 7.0%

Transportation & utilities 5.4%

Arts, food & hospitality 5.1%

Finance & real estate 5.0%

Wholesale trade 4.1%

Information 4.0%

Other services 4.0%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	42.8%
Service	16.8%
Sales & office	22.9%
Natural resources & construction	8.5%
Production & transportation	8.9%

Employment type

Type	%
Private sector	69.5%
Government	23.9%
Self-employed	6.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.8%
Carpool	5.0%
Public transit	0.0%
Walk	1.6%
Work from home	9.4%
Other means	3.2%
Avg commute (minutes)	26.6

Poverty

All people 3.2%

Under 18 years 5.6%

18 and over 2.5%

Married-couple families 1.2%

Female-led households 7.4%

Income support

Source	% of households
Social Security	38.8%
Retirement income	34.5%
Supplemental Security	0.9%
Cash public assistance	1.3%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
Obesity	28.8%
High blood pressure	28.3%
High cholesterol	33.6%
Diabetes	7.9%
Heart disease	5.9%
Stroke	2.5%
Asthma	10.3%
Arthritis	25.7%
Kidney disease	2.5%
Pulmonary disease	5.8%
Cancer	7.8%

Behavior / access	%
Smoking	14.4%
Binge drinking	17.3%
No physical activity	17.0%
Less than 7 hrs sleep	31.4%
Depression	19.7%
Fair or poor health	9.7%
Poor mental health	12.8%
Poor physical health	8.5%
No health insurance	6.6%
Visited doctor (checkup)	76.1%
Visited dentist	75.3%
Cholesterol screening	93.7%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	238	5.4%

Disability	%
Any disability	10.8%
Under 18	2.5%
18–64 years	8.5%
65 and over	25.6%

Health insurance coverage

Type	%
Private insurance	83.0%
Public insurance	27.8%
No insurance	2.8%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,376	97.1%
Spanish	191	3.6%
Other Indo-European	164	3.1%
Asian & Pacific Islander	27	0.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,012	90.5%
Born in same state	4,981	89.9%
Born in different state	4,072	73.5%
Foreign born	31	0.6%
Naturalized citizen	527	9.5%
Not a US citizen	262	49.7%

Ancestry

Ancestry	Count	%
French	889	16%
Italian	868	15.7%
Arab	259	4.7%
German	101	1.8%
Norwegian	62	1.1%

Ancestry	Count	%
Irish	34	0.6%
Dutch	28	0.5%
Polish	17	0.3%
English	12	0.2%

Technology access

Metric	% of households
Computer access	37.6%
Internet access	98.2%

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

Frequently asked questions about ZIP code 06791

What city is ZIP code 06791 in?

ZIP code 06791 is primarily assigned to Harwinton, Connecticut.

What county is ZIP code 06791 in?

ZIP code 06791 falls within Litchfield County, Connecticut.

Is ZIP code 06791 mostly owner-occupied?

94% of occupied units in ZIP code 06791 are owner-occupied, well above the national average.

Does ZIP code 06791 have a large retiree population?

39% of households in ZIP code 06791 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 06791?

The median home value in ZIP code 06791 is $345,100.

What is the population of ZIP code 06791?

ZIP code 06791 has an estimated population of 5,539 residents, with a density of 179 people per square mile.

What timezone is ZIP code 06791 in?

ZIP code 06791 observes the EST timezone.