How old are the homes in Madison Township (Armstrong County), PA?

Name: Age of homes in Madison Township (Armstrong County), PA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

70.5% (±11.1 points) of the homes in Madison Township (Armstrong County), PA were built before 1980 (2020–2024 American Community Survey).

34.4% were built before 1940.

4.0% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 70.5% (±11.1 points)
Built before 1940: 34.4%
Built 2010 or later: 4.0%

When the homes in Madison Township (Armstrong County) were built

Housing units by year structure built, 2020–2024
Year built	Madison Township (Armstrong County)	Armstrong County	Pennsylvania	United States
2020 or later	0.4% (±0.8 points)	0.4%	1.0%	2.0%
2010 to 2019	3.6% (±2.2 points)	3.3%	5.1%	9.4%
2000 to 2009	7.7% (±3.9 points)	5.8%	8.1%	13.6%
1990 to 1999	10.8% (±4.8 points)	8.8%	8.9%	12.4%
1980 to 1989	6.8% (±3.2 points)	8.6%	9.6%	12.9%
1970 to 1979	5.2% (±3.4 points)	14.2%	12.4%	14.2%
1960 to 1969	14.4% (±5.0 points)	8.2%	9.9%	9.9%
1950 to 1959	7.9% (±4.4 points)	12.4%	13.0%	9.5%
1940 to 1949	8.6% (±4.0 points)	8.6%	7.0%	4.4%
1939 or earlier	34.4% (±7.2 points)	29.6%	25.0%	11.7%

In Madison Township (Armstrong County), the share of homes built before 1980 is not measurably different from Armstrong County (73.0%).

It is not measurably different from Pennsylvania (67.3%).

It is higher than the national figure (49.7%).

In Armstrong County, Madison Township (Armstrong County) ranks 25 of 45 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 1067 of 2,558.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Why the age of a home matters: lead-based paint

Federal law treats housing built before 1978 as likely to contain lead-based paint.

Before a lease or sale of most pre-1978 housing, the landlord or seller must disclose any known lead-based paint and hazards and give the tenant or buyer the EPA pamphlet (42 U.S.C. § 4852d; 40 CFR part 745, subpart F; 24 CFR part 35, subpart A).

A contractor paid to renovate, repair or paint a pre-1978 home must be a certified firm, use a certified renovator and follow lead-safe work practices under the Renovation, Repair and Painting Rule (40 CFR part 745, subpart E) whenever the job disturbs more than 6 square feet of painted surface in a room or more than 20 square feet outside; window replacement and demolition always count (40 CFR 745.83).

Certification comes from EPA, or from the state where EPA has authorized the state to run the program.

The Census Bureau groups construction by decade, so the share built before 1978 lies between the share built before 1970 (65.3%) and the share built before 1980 (70.5%).

Homes built before 1980 in places near Madison Township (Armstrong County)

Nearest places with a published estimate, compared with Madison Township (Armstrong County)
Place	Distance	Homes built before 1980	Compared with this place
Madison Township (Armstrong County)	—	70.5% (±11.1 points)	—
Pine Township (Armstrong County)	2.8 mi	79.8% (±15.7 points)	Not measurably different
Washington Township (Armstrong County)	4.8 mi	47.6% (±10.1 points)	Lower
Madison Township (Clarion County)	4.9 mi	76.9% (±13.7 points)	Not measurably different
Boggs Township (Armstrong County)	5.2 mi	63.0% (±15.1 points)	Not measurably different
Mahoning Township (Armstrong County)	5.9 mi	84.8% (±13.3 points)	Not measurably different
Rimersburg	6.2 mi	77.3% (±13.5 points)	Not measurably different
South Bethlehem	6.5 mi	87.1% (±15.5 points)	Not measurably different
Porter Township (Clarion County)	6.7 mi	76.8% (±13.0 points)	Not measurably different

Nearby places with a measurably lower figure: Washington Township (Armstrong County), PA (47.6%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes built before 1980 across Armstrong County, place by place

Rank	Place	Homes built before 1980
19	North Apollo	77.4% (±13.5 points)
20	Parker	76.1% (±14.4 points)
21	Parks Township	75.9% (±13.3 points)
22	Elderton	75.3% (±17.1 points)
23	Rayburn Township	73.5% (±11.1 points)
24	Cowanshannock Township	73.2% (±11.3 points)
25	Madison Township (Armstrong County)	70.5% (±11.1 points)
26	Bradys Bend Township	68.8% (±12.3 points)
27	North Buffalo Township	67.7% (±14.1 points)
28 (tie)	Bethel Township (Armstrong County)	63.7% (±12.9 points)
28 (tie)	Kittanning Township	63.7% (±11.4 points)
30	Redbank Township (Armstrong County)	63.2% (±12.2 points)
31	Boggs Township (Armstrong County)	63.0% (±15.1 points)

Showing 13 of 45 places in Armstrong County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Madison Township (Armstrong County)

How old are most homes in Madison Township (Armstrong County)?

70.5% of homes in Madison Township (Armstrong County), PA were built before 1980 (2020–2024 American Community Survey).

Do homes in Madison Township (Armstrong County) need a lead paint disclosure?

A home built before 1978 does, before it is rented or sold, unless an exemption applies (42 U.S.C. § 4852d); between 65.3% and 70.5% of homes in Madison Township (Armstrong County) were built before then.

Does a contractor need lead certification to work on older homes in Madison Township (Armstrong County)?

Yes, when the job disturbs more than 6 square feet of paint in a room or 20 square feet outside, or replaces a window: the firm must be certified and a certified renovator must direct the work under the Renovation, Repair and Painting Rule (40 CFR part 745, subpart E).

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Madison township, Armstrong County, Pennsylvania

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Madison township, Armstrong County, Pennsylvania (county subdivision:46456, in state:42 county:005).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0017PE, DP04_0017PM, DP04_0018PE, DP04_0018PM, DP04_0019PE, DP04_0019PM, DP04_0020PE, DP04_0020PM, DP04_0021PE, DP04_0021PM, DP04_0022PE, DP04_0022PM, DP04_0023PE, DP04_0023PM, DP04_0024PE, DP04_0024PM, DP04_0025PE, DP04_0025PM, DP04_0026PE, DP04_0026PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.