Millsboro ZIP Codes — Sussex County, DE

There is one unique ZIP code in Millsboro, Delaware and it is 19966. Area code: 302.
1
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

GroupCount%
Under 185,40716.6%
18 and over27,10683.4%
65 and over10,35031.8%
Median age53.4 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%
GroupCount%
White25,13672.3%
Black or African American3,0228.7%
Hispanic or Latino2,2476.5%
Two or more races1,9055.5%
Other race1,5184.4%
Asian4751.4%
American Indian / Alaska Native4571.3%

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 $10k2.7%
$10k–$15k4.8%
$15k–$25k6.4%
$25k–$35k6.9%
$35k–$50k14.5%
$50k–$75k18.3%
$75k–$100k14.5%
$100k–$150k18.6%
$150k–$200k6.1%
$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

MetricValue
Median home value$247,700
Median rent / month$1,201
Owner occupied82.9%
Renter occupied17.1%
Vacant24.9%
Single-family detached50.1%
Large apartment buildings1.1%
Mobile homes32.1%
Median rooms5.9
Avg household size (owned)2.15

Year built

Era%
2020 or later1.8%
2010–201922.1%
2000–200932.8%
1990–199914.8%
1980–198914.1%
1970–19795.9%
1960–19693.3%
1950–19593.0%
1940–19490.7%
1939 or earlier1.6%

Bedrooms

Size% of units
No bedroom (studio)0.4%
1 bedroom2.1%
2 bedrooms17.9%
3 bedrooms63.0%
4 bedrooms14.4%
5+ bedrooms2.2%

Vehicles per household

Vehicles% of households
No vehicle3.1%
1 vehicle34.6%
2 vehicles42.5%
3 or more19.8%

Heating fuel

Fuel type%
Utility gas16.4%
Electricity45.1%
Propane / LP gas29.6%
Fuel oil6.2%
Wood0.5%
Solar0.3%
No fuel used0.9%

Households & families

Household typeCount%
Married-couple family7,45452.3%
Cohabiting couple6854.8%
Male householder, no spouse2,18815.4%
Female householder, no spouse3,91627.5%
Households with children under 183,31523.3%
Households with seniors (65+)6,90248.5%
Average household size2.26

Marital status

StatusMaleFemale
Never married23.0%24.9%
Married61.4%50.6%
Separated1.2%1.2%
Widowed4.0%12.1%
Divorced10.4%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 higher91.6%
Bachelor's or higher26.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3916.8%
Kindergarten1562.7%
Elementary school2,46342.8%
High school1,35223.5%
College / grad school1,39724.3%

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 & arts34.4%
Service23.5%
Sales & office23.0%
Natural resources & construction9.8%
Production & transportation9.3%

Employment type

Type%
Private sector79.4%
Government15.1%
Self-employed5.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.5%
Carpool7.6%
Public transit0.2%
Walk1.3%
Other means1.2%
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 Security49.9%
Retirement income37.8%
Supplemental Security3.0%
Cash public assistance1.9%
Food stamps / SNAP8.9%

Health indicators

Condition%
High blood pressure40.4%
High cholesterol40.1%
Heart disease9.0%
Stroke4.0%
Asthma9.7%
Arthritis29.6%
Kidney disease3.7%
Pulmonary disease9.7%
Cancer8.8%
Behavior / access%
Binge drinking12.1%
No physical activity29.2%
Less than 7 hrs sleep31.0%
Fair or poor health16.5%
Poor mental health13.1%
Poor physical health11.8%
No health insurance16.3%
Visited doctor (checkup)79.2%
Visited dentist55.4%
Cholesterol screening91.4%
Teeth loss15.4%

Veterans & disability

VeteransCount%
Civilian veterans2,83810.5%
Disability%
Any disability15.4%
Under 186.0%
18–64 years12.8%
65 and over24.8%

Health insurance coverage

Type%
Private insurance68.7%
Public insurance51.2%
Uninsured under 194.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only31,05995.5%
Spanish1,3864.5%
Other Indo-European1,0193.3%
Asian & Pacific Islander610.2%
Other languages1990.6%

Place of birth & citizenship

OriginCount%
Native born (US)30,39393.5%
Born in same state30,23093.0%
Born in different state12,23037.6%
Foreign born1630.5%
Naturalized citizen2,1206.5%
Not a US citizen87541.3%

Ancestry

AncestryCount%
Italian6,32619.5%
French4,73014.5%
Arab1,3764.2%
English3431.1%
German2840.9%
AncestryCount%
Polish2490.8%
Irish1570.5%
Norwegian1020.3%
Dutch500.2%

Technology access

Metric% of households
Computer access43.8%
Internet access93.5%

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.
Need the complete Delaware ZIP code database? Download all DE ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →