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Mount Joy, Lancaster County, Pennsylvania

Borough in Lancaster County, Pennsylvania · ZIP 17552

  • Lancaster County
  • Census data · ACS 2019-2023
Join Mount JoyAsk Mount JoyBusinessesPeople
  • 8,364 (2024 estimate)Population
  • 3,448Households
  • $84,514Median household income
  • $241,300Median home value
  • 1ZIP codes

About Mount Joy

This page shows only what has been published about Mount Joy: 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+23.1%
6k7k8k9k2000: 6,76520002010: 7,41020102020: 8,32520206,7658,325
Population of Mount Joy at each census
CensusPopulation
20006,765
20107,410
20208,325

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 42, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 42, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 42, retrieved November 14, 2026.

Household income in Mount Joy
Under $50k25.6%
$50k to $100k36.7%
$100k to $150k20.8%
$150k to $200k9.8%
$200k and over7.1%

Median household income $84,514 · 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 42, retrieved November 14, 2026.

Housing tenure in Mount Joy
Owner occupied
2,120 units
Renter occupied
1,328 units
Vacancy rate
4%

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 42, retrieved November 14, 2026.

Mount Joy compared with its county and state
Mount Joy compared with its county and state, American Community Survey 2019-2023
MeasureMount JoyLancaster CountyPennsylvania
Population8,310555,15112,986,518
Median household income$84,514$83,703$76,081
Median age38.739.140.9
Median home value$241,300$279,400$240,500
Bachelor’s degree or higher28.9%31.0%34.5%
Foreign-born residents3.7%5.6%7.4%
Owner-occupied homes61.5%69.9%69.3%
Mean commute to work25.3 minutes24.0 minutes26.6 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 42, retrieved November 14, 2026.

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Schools

No public school is listed for Mount Joy: either the NCES directory for Pennsylvania is not loaded yet, or no school's address falls inside Mount Joy’s boundary. Schools in neighbouring towns are on their pages.

Legislative districts

Legislative districts for Mount Joy3
Congressional and state legislative districts for Mount Joy
ChamberDistrict
U.S. House of RepresentativesCongressional District 11 (PA-11)
State legislature, lower chamberState House District 98
State legislature, upper chamberState Senate District 36

Boundaries from the Census Bureau’s TIGER/Line district files, matched to Mount Joy’s own boundary. 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 42, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 42, retrieved November 14, 2026.

Frequently asked about Mount JoyPromoted from questions people asked

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

Nearby towns

Other towns in Lancaster County

All towns in Lancaster County

Other places named Mount Joy in Pennsylvania