Where does this demographic data come from?

All demographic data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates, which samples about 3.5 million households annually. The 5-year estimates provide the most reliable data for small geographies like municipalities.

What is the difference between Census data and ACS data?

The decennial Census (conducted every 10 years) is a full population count focusing on basic demographics. The ACS is an ongoing survey that collects detailed data on income, education, housing, commute patterns, and more. ACS data is updated annually but represents averages over a 5-year period.

How accurate is this data for small towns?

For smaller municipalities, ACS estimates have wider margins of error because fewer residents are sampled. The 5-year estimates reduce this uncertainty by averaging over a longer period. For towns under 5,000 people, treat specific numbers as approximations rather than precise counts.

Mount Joy, PA Population, Income & Demographics 2026

Showing latest census year. Full demographic history available with a paid plan. See products & pricing →

Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

8,344

Median Agei

39.5

Race & Ethnicityi

White

81.9%6,835

Hispanic/Latino

13.2%1,099

Two or More

2.9%242

Asian

1.1%94

Black

0.9%74

Educational Attainment (Age 25+)i

GED/Alternative

3.6%218

High School Diploma

32%1,931

Some College (<1 yr)

5.9%355

Some College (1+ yr)

8.3%500

Associate's Degree

11.4%690

Bachelor's Degree

22%1,329

Master's Degree

9.8%592

Professional Degree

1%58

Doctorate

0.9%54

HS or Higher

94.9%

BA or Higher

33.7%

Graduate+

11.7%

Housingi

Median Home Valuei

$266,500

Median Renti

$1,182

Tenure

Owner-Occupied

63.2%2,233

Renter-Occupied

36.8%1,299

Total Units

3,668

Homeownership

63.2%

Vacancy Rate

3.7%

Home Values

Under $50K

6.3%141

$50K–$100K

2.6%58

$100K–$150K

8%178

$150K–$200K

15%335

$200K–$300K

27.1%605

$300K–$500K

39.1%872

$500K–$1M

1.7%37

$1M+

0.3%7

Rent Distribution

$500–$750

$750–$1,000

345

$1,000–$1,250

342

$1,250–$1,500

231

$1,500–$2,000

314

$2,000+

Year Built

2020 or later

0.4%14

2010–2019

11.5%423

2000–2009

13.5%496

1990–1999

9.5%349

1980–1989

7.7%282

1970–1979

12.8%469

1960–1969

5%184

1950–1959

11.8%432

1940–1949

3.2%118

1939 or earlier

24.6%901

Heating Fuel

Utility Gas

47%1,659

Electricity

39.4%1,392

Fuel Oil

10.6%374

Bottled/LP Gas

1%36

Other

0.8%29

Wood

0.8%27

Solar

0.4%15

Economyi

Median Household Incomei

$90,061

Mean Household Incomei

$107,044

Per Capita Incomei

$46,056

Poverty Ratei

Unemploymenti

1.3%

Labor Forcei

4,799

Federally Subsidized Housingi

HUD

The federal government helps low-income families, seniors, and people with disabilities afford housing through several programs. Residents typically pay about 30% of their income toward rent, with the government covering the rest. This data shows how many households in this community receive that assistance.

Subsidized Homesi

Residentsi

Avg. Tenant Renti

$472/mo

Avg. Waitlisti

3 months

Programs in this community

Housing Choice Vouchers38 homes81% occupied$472/mo rent

Rental vouchers (Section 8) that help tenants pay for private-market housing

Household Incomei

Based on area median of $90,061/yr

Extremely low incomeUnder $27K/yr

76%

Very low income$27K–$45K/yr

24%

Who Receives This Housing

69% of subsidized households are headed by a single mother

45% of subsidized households are minority

42% of subsidized households include someone with a disability

38% of subsidized households include a senior (62+)

Social Characteristicsi

Veteransi

377(5.8% of civilian adults)