Millsboro ZIP Codes — Sussex County, DE

There is one unique ZIP code in Millsboro, Delaware and it is 19966. Area code: 302.

ZIP codes

89.08

sq mi land

8.24

sq mi water

302

area code

Millsboro, DE ZIP code map

About Millsboro, DE

Millsboro is a charming town located in Sussex County, Delaware, known for its community spirit and scenic landscapes. This small town offers a delightful blend of rural charm and suburban conveniences, making it an attractive destination for both residents and visitors. With its rich history and growing culture, Millsboro is a hidden gem in the First State.

Location & geography

Millsboro is situated in the southern part of Delaware, approximately 16 miles northwest of Rehoboth Beach and 19 miles west of Bethany Beach. The town covers a land area of 89.08 square miles, complemented by an impressive water area of 8.24 square miles. The surrounding terrain features beautiful wetlands and rivers, enhancing the natural beauty of this area.

Community & economy

The character of Millsboro is defined by its friendly atmosphere and strong community involvement, making it a great place to raise a family. The town is supported by industries such as retail, healthcare, and agriculture, contributing to a stable local economy. Daily life in Millsboro includes enjoying local parks, participating in community events, and exploring the nearby waterways.

Transportation

Millsboro is conveniently accessible via Route 113 and Route 24, allowing for easy travel to neighboring towns and cities. The nearest major airport is Salisbury-Ocean City Wicomico Regional Airport, located approximately 30 miles away. Public transit options are limited, but residents often rely on personal vehicles for most travel needs.

History

Millsboro was founded in the 19th century and has grown significantly over the years, initially thriving on agriculture and fishing. Key industries have shifted over time, with the town now focusing on retail and service sectors. Notable events in the town's history include the growth of local businesses and the establishment of various community organizations aimed at enhancing residents' quality of life.

Did you know?

A surprising fact about Millsboro is that it is home to a unique blend of cultures and traditions, reflecting the diverse heritage of its residents. Additionally, the town hosts various events throughout the year that attract visitors from surrounding areas, showcasing local crafts and cuisine.

ZIP codes for Millsboro, DE (1)

ZIP code	City	County	Map
19966	Millsboro	Sussex	View map

Demographics & statistics

32,513

Population

53.4

Median age

$71,577

Median household income

$39,975

Per capita income

$247,700

Median home value

$1,201

Median monthly rent

82.9%

Home ownership

10.9%

Poverty rate

7.0%

Unemployment

16,538

Housing units

26.1%

Bachelor's or higher

Age distribution

Male Female

691

Under 5

763

674

5–9

744

709

10–14

784

819

15–19

904

787

20–24

870

1,325

25–34

1,465

1,318

35–44

1,456

1,703

45–54

1,882

1,335

55–59

1,475

1,168

60–64

1,291

3,284

65–74

3,629

1,364

75–84

1,507

269

85+

297

← Male

Female →

Age summary

Group	Count	%
Under 18	5,407	16.6%
18 and over	27,106	83.4%
65 and over	10,350	31.8%
Median age	53.4 years

Race & ethnicity

White 72.3%

Black or African American 8.7%

Hispanic or Latino 6.5%

Two or more races 5.5%

Other race 4.4%

Asian 1.4%

American Indian / Alaska Native 1.3%

Group	Count	%
White	25,136	72.3%
Black or African American	3,022	8.7%
Hispanic or Latino	2,247	6.5%
Two or more races	1,905	5.5%
Other race	1,518	4.4%
Asian	475	1.4%
American Indian / Alaska Native	457	1.3%

Household income

Under $10k 2.7%

$10k–$15k 4.8%

$15k–$25k 6.4%

$25k–$35k 6.9%

$35k–$50k 14.5%

$50k–$75k 18.3%

$75k–$100k 14.5%

$100k–$150k 18.6%

$150k–$200k 6.1%

$200k+ 7.1%

Range	% of households
Under $10k	2.7%
$10k–$15k	4.8%
$15k–$25k	6.4%
$25k–$35k	6.9%
$35k–$50k	14.5%
$50k–$75k	18.3%
$75k–$100k	14.5%
$100k–$150k	18.6%
$150k–$200k	6.1%
$200k+	7.1%
Median income	$71,577

Housing

Home values

Under $50k 10.8%

$50k–$100k 7.8%

$100k–$150k 5.3%

$150k–$200k 11.4%

$200k–$300k 24.6%

$300k–$500k 28.4%

$500k–$1M 10.5%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$247,700
Median rent / month	$1,201
Owner occupied	82.9%
Renter occupied	17.1%
Vacant	24.9%
Single-family detached	50.1%
Large apartment buildings	1.1%
Mobile homes	32.1%
Median rooms	5.9
Avg household size (owned)	2.15

Year built

Era	%
2020 or later	1.8%
2010–2019	22.1%
2000–2009	32.8%
1990–1999	14.8%
1980–1989	14.1%
1970–1979	5.9%
1960–1969	3.3%
1950–1959	3.0%
1940–1949	0.7%
1939 or earlier	1.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	2.1%
2 bedrooms	17.9%
3 bedrooms	63.0%
4 bedrooms	14.4%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	34.6%
2 vehicles	42.5%
3 or more	19.8%

Heating fuel

Fuel type	%
Utility gas	16.4%
Electricity	45.1%
Propane / LP gas	29.6%
Fuel oil	6.2%
Wood	0.5%
Solar	0.3%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	7,454	52.3%
Cohabiting couple	685	4.8%
Male householder, no spouse	2,188	15.4%
Female householder, no spouse	3,916	27.5%
Households with children under 18	3,315	23.3%
Households with seniors (65+)	6,902	48.5%
Average household size	2.26

Marital status

Status	Male	Female
Never married	23.0%	24.9%
Married	61.4%	50.6%
Separated	1.2%	1.2%
Widowed	4.0%	12.1%
Divorced	10.4%	11.1%

Education

Less than 9th grade 3.4%

Some HS, no diploma 5.1%

HS graduate 35.1%

Some college, no degree 20.8%

Associate's degree 9.6%

Bachelor's degree 14.7%

Graduate / professional 11.4%

Metric	%
HS diploma or higher	91.6%
Bachelor's or higher	26.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	391	6.8%
Kindergarten	156	2.7%
Elementary school	2,463	42.8%
High school	1,352	23.5%
College / grad school	1,397	24.3%

Employment

Industry of employment

Education & healthcare 24.8%

Retail trade 14.9%

Professional & management 11.9%

Arts, food & hospitality 10.3%

Construction 8.9%

Finance & real estate 6.1%

Manufacturing 5.8%

Other services 4.9%

Public administration 4.3%

Transportation & utilities 3.8%

Agriculture & mining 2.5%

Information 1.0%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	34.4%
Service	23.5%
Sales & office	23.0%
Natural resources & construction	9.8%
Production & transportation	9.3%

Employment type

Type	%
Private sector	79.4%
Government	15.1%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.5%
Carpool	7.6%
Public transit	0.2%
Walk	1.3%
Other means	1.2%
Avg commute (minutes)	29.7

Poverty

All people 10.9%

Under 18 years 20.7%

18 and over 8.9%

Married-couple families 2.9%

Female-led households 15.6%

Income support

Source	% of households
Social Security	49.9%
Retirement income	37.8%
Supplemental Security	3.0%
Cash public assistance	1.9%
Food stamps / SNAP	8.9%

Health indicators

Condition	%
High blood pressure	40.4%
High cholesterol	40.1%
Heart disease	9.0%
Stroke	4.0%
Asthma	9.7%
Arthritis	29.6%
Kidney disease	3.7%
Pulmonary disease	9.7%
Cancer	8.8%

Behavior / access	%
Binge drinking	12.1%
No physical activity	29.2%
Less than 7 hrs sleep	31.0%
Fair or poor health	16.5%
Poor mental health	13.1%
Poor physical health	11.8%
No health insurance	16.3%
Visited doctor (checkup)	79.2%
Visited dentist	55.4%
Cholesterol screening	91.4%
Teeth loss	15.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,838	10.5%

Disability	%
Any disability	15.4%
Under 18	6.0%
18–64 years	12.8%
65 and over	24.8%

Health insurance coverage

Type	%
Private insurance	68.7%
Public insurance	51.2%
Uninsured under 19	4.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,059	95.5%
Spanish	1,386	4.5%
Other Indo-European	1,019	3.3%
Asian & Pacific Islander	61	0.2%
Other languages	199	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	30,393	93.5%
Born in same state	30,230	93.0%
Born in different state	12,230	37.6%
Foreign born	163	0.5%
Naturalized citizen	2,120	6.5%
Not a US citizen	875	41.3%

Ancestry

Ancestry	Count	%
Italian	6,326	19.5%
French	4,730	14.5%
Arab	1,376	4.2%
English	343	1.1%
German	284	0.9%

Ancestry	Count	%
Polish	249	0.8%
Irish	157	0.5%
Norwegian	102	0.3%
Dutch	50	0.2%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	93.5%

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

Frequently asked questions

What ZIP codes does Millsboro, DE have?

Millsboro, DE has one ZIP code: 19966. Each ZIP code serves a distinct delivery area within the city and surrounding region.