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Millsboro, Delaware

Town in Sussex County, Delaware · ZIP 19966

  • Sussex County
  • Census data · ACS 2019-2023
  • 2 public schools
  • 7,864 (2024 estimate)Population
  • 2,927Households
  • $77,750Median household income
  • $297,000Median home value
  • 2Public schools
  • 1ZIP codes

About Millsboro

This page shows only what has been published about Millsboro: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020+190.8%
2k4k6k8k2000: 2,36020002010: 3,87720102020: 6,86320202,3606,863
Population of Millsboro at each census
CensusPopulation
20002,360
20103,877
20206,863

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 10, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 10, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 10, retrieved November 14, 2026.

Household income in Millsboro
Under $50k29.9%
$50k to $100k37.6%
$100k to $150k20.2%
$150k to $200k4.7%
$200k and over7.6%

Median household income $77,750 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 10, retrieved November 14, 2026.

Housing tenure in Millsboro
Owner occupied
1,988 units
Renter occupied
939 units
Vacancy rate
9.2%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 10, retrieved November 14, 2026.

Millsboro compared with its county and state
Millsboro compared with its county and state, American Community Survey 2019-2023
MeasureMillsboroSussex CountyDelaware
Population7,152247,7991,005,872
Median household income$77,750$78,162$82,855
Median age41.451.441.5
Median home value$297,000$353,300$326,800
Bachelor’s degree or higher36.7%32.6%35.3%
Foreign-born residents9.6%8.4%10.4%
Owner-occupied homes67.9%81.3%72.3%
Mean commute to work36.7 minutes27.2 minutes26.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 10, retrieved November 14, 2026.

CommunityRules and moderation

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Schools

Public schools in Millsboro2
Public schools in Millsboro, NCES directory 2023–2024
SchoolTypeGradesDistrict
East Millsboro Elementary SchoolPublicK–5Indian River School District
Millsboro Middle SchoolPublic6–8Indian River School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Legislative districts

Legislative districts for Millsboro6
Congressional and state legislative districts for Millsboro
ChamberDistrictShare of Millsboro
U.S. House of RepresentativesCongressional District (at Large) (DE at large)All
State legislature, lower chamberState Representative District 372%
State legislature, lower chamberState Representative District 4198%
State legislature, upper chamberState Senate District 1948%
State legislature, upper chamberState Senate District 2040%
State legislature, upper chamberState Senate District 2112%

Boundaries from the Census Bureau’s TIGER/Line district files, matched to Millsboro’s own boundary; a town split between districts lists each with the share of its land inside it. Who holds each seat appears on the People page once the official records are approved.

Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 10, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 10, retrieved November 14, 2026.

Frequently asked about MillsboroPromoted from questions people asked

No question about Millsboro has been asked often enough to publish an answer yet. Ask Millsboro and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Sussex County

All towns in Sussex County