03861 ZIP Code — Lee, NH

Strafford County, New Hampshire

ZIP code 03861 is located in Lee, New Hampshire, within Strafford County. It covers approximately 19.74 square miles and serves a population of 4,547 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03861

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $406,300. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($116,350) 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. 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 30 minutes is near the national average.

Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03861 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

4,547

population

19.74

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03861 ZIP code map

Cities in ZIP code 03861

Below are the cities the US Postal Service accepts for ZIP code 03861. Using any city not on this list may result in mail delivery delays.

City	Status
Lee	Acceptable

Demographics updated 05/2026

Population
Total population	4,547
Population density	230 / sq mi
State FIPS	33
County FIPS	017

Geography
Land area	19.74 sq mi
Water area	0.21 sq mi
Latitude	43.1265
Longitude	-71.0134
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	32.7%	31.0%
$50k – $100k	30.0%	33.3%	31.2%
$100k – $200k	32.4%	26.7%	28.1%
Over $200k	17.3%	7.4%	9.7%

Demographics & statistics

4,547

Population

230

People per sq mi

48.1

Median age

$116,350

Median household income

$63,634

Per capita income

$406,300

Median home value

$1,147

Median monthly rent

90.9%

Home ownership

2.5%

Poverty rate

4.8%

Unemployment

1,856

Housing units

55.4%

Bachelor's or higher

Age distribution

Male Female

100

Under 5

105

168

5–9

177

130

10–14

138

115

15–19

122

20–24

121

25–34

128

357

35–44

376

340

45–54

359

137

55–59

145

178

60–64

188

376

65–74

397

106

75–84

112

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,028	22.6%
18 and over	3,519	77.4%
65 and over	1,050	23.1%
Median age	48.1 years

Race & ethnicity

White 75.8%

Two or more races 10.4%

Asian 8.4%

Hispanic or Latino 5.3%

Group	Count	%
White	3,639	75.8%
Two or more races	501	10.4%
Asian	405	8.4%
Hispanic or Latino	252	5.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	32.7%	31.0%
$50k – $100k	30.0%	33.3%	31.2%
$100k – $200k	32.4%	26.7%	28.1%
Over $200k	17.3%	7.4%	9.7%

Under $10k 2.8%

$15k–$25k 2.3%

$25k–$35k 1.6%

$35k–$50k 7.8%

$50k–$75k 20.2%

$75k–$100k 10.0%

$100k–$150k 25.6%

$150k–$200k 12.2%

$200k+ 17.6%

Range	% of households
Under $10k	2.8%
$15k–$25k	2.3%
$25k–$35k	1.6%
$35k–$50k	7.8%
$50k–$75k	20.2%
$75k–$100k	10.0%
$100k–$150k	25.6%
$150k–$200k	12.2%
$200k+	17.6%
Median income	$116,350

Housing

Home values

Under $50k 2.4%

$50k–$100k 3.3%

$100k–$150k 1.1%

$200k–$300k 27.3%

$300k–$500k 35.5%

$500k–$1M 28.1%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$406,300
Median rent / month	$1,147
Owner occupied	90.9%
Renter occupied	9.1%
Vacant	9.1%
Single-family detached	77.3%
Large apartment buildings	0.0%
Mobile homes	9.1%
Median rooms	6.8
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	1.7%
2010–2019	4.0%
2000–2009	14.6%
1990–1999	14.1%
1980–1989	25.0%
1970–1979	17.1%
1960–1969	9.4%
1950–1959	0.7%
1940–1949	0.8%
1939 or earlier	12.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	6.9%
2 bedrooms	12.7%
3 bedrooms	40.4%
4 bedrooms	32.0%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	28.8%
2 vehicles	49.5%
3 or more	21.7%

Heating fuel

Fuel type	%
Electricity	3.8%
Propane / LP gas	28.7%
Fuel oil	60.3%
Wood	6.3%

Households & families

Household type	Count	%
Married-couple family	1,225	66.6%
Cohabiting couple	61	3.3%
Male householder, no spouse	231	12.6%
Female householder, no spouse	322	17.5%
Households with children under 18	541	29.4%
Households with seniors (65+)	735	40.0%
Average household size	2.46

Marital status

Status	Male	Female
Never married	14.3%	13.9%
Married	71.5%	65.0%
Separated	1.8%	0.0%
Widowed	3.0%	10.8%
Divorced	9.3%	10.3%

Education

Less than 9th grade 1.0%

Some HS, no diploma 2.4%

HS graduate 17.6%

Some college, no degree 16.2%

Associate's degree 7.3%

Bachelor's degree 23.0%

Graduate / professional 32.5%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	55.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	19	1.6%
Kindergarten	37	3.2%
Elementary school	530	45.7%
High school	237	20.4%
College / grad school	338	29.1%

Employment

Industry of employment

Education & healthcare 28.7%

Arts, food & hospitality 11.7%

Professional & management 11.0%

Manufacturing 10.1%

Retail trade 9.7%

Finance & real estate 7.2%

Transportation & utilities 4.4%

Public administration 3.9%

Other services 3.4%

Construction 3.2%

Agriculture & mining 3.0%

Wholesale trade 2.4%

Information 1.3%

Occupation

Category	%
Management, business & arts	60.4%
Service	8.6%
Sales & office	13.9%
Natural resources & construction	7.3%
Production & transportation	9.8%

Employment type

Type	%
Private sector	68.2%
Government	24.0%
Self-employed	7.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.1%
Carpool	7.9%
Public transit	0.1%
Walk	1.4%
Work from home	15.5%
Other means	0.0%
Avg commute (minutes)	29.9

Poverty

All people 2.5%

Under 18 years 0.0%

18 and over 3.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	37.0%
Retirement income	34.5%
Supplemental Security	0.9%
Cash public assistance	4.6%
Food stamps / SNAP	8.8%

Health indicators

Condition	%
Obesity	27.8%
High blood pressure	27.2%
High cholesterol	31.0%
Diabetes	7.5%
Heart disease	4.6%
Stroke	2.0%
Asthma	10.0%
Arthritis	21.1%
Kidney disease	2.1%
Pulmonary disease	4.8%
Cancer	6.2%

Behavior / access	%
Smoking	13.1%
Binge drinking	18.7%
No physical activity	16.5%
Less than 7 hrs sleep	28.8%
Depression	24.0%
Fair or poor health	9.4%
Poor mental health	14.3%
Poor physical health	8.4%
No health insurance	8.5%
Visited doctor (checkup)	72.1%
Visited dentist	73.0%
Cholesterol screening	91.9%
Teeth loss	8.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	274	7.8%

Disability	%
Any disability	10.6%
Under 18	3.0%
18–64 years	6.4%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	84.6%
Public insurance	34.3%
No insurance	0.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,342	95.5%
Spanish	124	2.9%
Other Indo-European	3	0.1%
Asian & Pacific Islander	17	0.4%
Other languages	104	2.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,273	94.0%
Born in same state	4,086	89.9%
Born in different state	1,846	40.6%
Foreign born	187	4.1%
Naturalized citizen	274	6.0%
Not a US citizen	56	20.4%

Ancestry

Ancestry	Count	%
French	1,183	26%
Italian	672	14.8%
German	320	7%
Arab	258	5.7%

Ancestry	Count	%
English	65	1.4%
Norwegian	61	1.3%
Dutch	37	0.8%
Polish	32	0.7%

Technology access

Metric	% of households
Computer access	40.4%
Internet access	96.1%

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

Frequently asked questions about ZIP code 03861

What city is ZIP code 03861 in?

ZIP code 03861 is primarily assigned to Lee, New Hampshire.

What county is ZIP code 03861 in?

ZIP code 03861 falls within Strafford County, New Hampshire.

Is ZIP code 03861 mostly owner-occupied?

91% of occupied units in ZIP code 03861 are owner-occupied, well above the national average.

How educated is the population of ZIP code 03861?

55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 03861 have a large retiree population?

37% of households in ZIP code 03861 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 03861?

The median home value in ZIP code 03861 is $406,300.

What timezone is ZIP code 03861 in?

ZIP code 03861 observes the EST timezone.