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.

Irwin, PA Population, Income & Demographics 2026

CSAPittsburgh-Weirton-Steubenville

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

3,831

Median Agei

38.1

Race & Ethnicityi

White

88.9%3,407

Two or More

6.5%249

Hispanic/Latino

2.3%88

Other

1.6%62

Black

0.7%25

Educational Attainment (Age 25+)i

GED/Alternative

2.5%70

High School Diploma

28.3%802

Some College (<1 yr)

3.7%105

Some College (1+ yr)

11.2%319

Associate's Degree

14.7%417

Bachelor's Degree

19.8%562

Master's Degree

10%285

Professional Degree

2.7%76

Doctorate

3.3%93

HS or Higher

96.2%

BA or Higher

35.8%

Graduate+

16%

Housingi

Median Home Valuei

$195,500

Median Renti

$1,002

Tenure

Owner-Occupied

43.1%850

Renter-Occupied

56.9%1,120

Total Units

1,970

Homeownership

43.1%

Home Values

Under $50K

6.8%58

$50K–$100K

6.6%56

$100K–$150K

15.6%133

$150K–$200K

22.5%191

$200K–$300K

33.6%286

$300K–$500K

14.8%126

Rent Distribution

Under $500

133

$500–$750

$750–$1,000

356

$1,000–$1,250

465

$1,250–$1,500

$1,500–$2,000

Year Built

2000–2009

1.8%36

1990–1999

2.2%44

1980–1989

11.3%223

1970–1979

18.3%361

1960–1969

7.3%144

1950–1959

15.3%301

1940–1949

13.8%272

1939 or earlier

29.9%589

Heating Fuel

Utility Gas

67.3%1,325

Electricity

27.1%533

No Fuel

2.7%54

Wood

1.1%21

Bottled/LP Gas

1%19

Fuel Oil

0.9%18

Economyi

Median Household Incomei

$59,963

Mean Household Incomei

$78,762

Per Capita Incomei

$40,639

Poverty Ratei

13.4%

Unemploymenti

2.7%

Labor Forcei

2,300

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

179

Residentsi

211

Avg. Tenant Renti

$410/mo

Avg. Waitlisti

31 months

Programs in this community

Public Housing71 homes98% occupied$411/mo rent

Government-owned housing managed by local housing authorities

Housing Choice Vouchers72 homes78% occupied$409/mo rent

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

Household Incomei

Based on area median of $59,963/yr

Extremely low incomeUnder $18K/yr

74%

Very low income$18K–$30K/yr

24.5%

Low income$30K–$48K/yr

1.5%

Who Receives This Housing

66.1% of subsidized households are headed by a single mother

5% of subsidized households are minority

38.4% of subsidized households include someone with a disability

59.9% of subsidized households include a senior (62+)

Social Characteristicsi

Veteransi

168(5.5% of civilian adults)