How old are the homes in the Town of Louisville, NY?

Name: Age of homes in the Town of Louisville, NY, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

40.5% (±11.6 points) of the homes in the Town of Louisville, NY were built before 1980 (2020–2024 American Community Survey).

15.1% were built before 1940.

6.8% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 40.5% (±11.6 points)
Built before 1940: 15.1%
Built 2010 or later: 6.8%

When the homes in the Town of Louisville were built

Housing units by year structure built, 2020–2024
Year built	Town of Louisville	St. Lawrence County	New York	United States
2020 or later	0.0% (±2.7 points)	0.8%	0.8%	2.0%
2010 to 2019	6.8% (±3.9 points)	5.4%	5.3%	9.4%
2000 to 2009	11.0% (±5.5 points)	7.4%	6.4%	13.6%
1990 to 1999	25.0% (±7.7 points)	9.0%	5.9%	12.4%
1980 to 1989	16.6% (±6.8 points)	10.4%	7.7%	12.9%
1970 to 1979	8.2% (±4.5 points)	11.9%	9.8%	14.2%
1960 to 1969	5.5% (±3.9 points)	8.1%	12.1%	9.9%
1950 to 1959	9.5% (±5.0 points)	11.2%	14.1%	9.5%
1940 to 1949	2.2% (±2.2 points)	5.9%	7.6%	4.4%
1939 or earlier	15.1% (±8.3 points)	30.0%	30.3%	11.7%

In the Town of Louisville, the share of homes built before 1980 is lower than in St. Lawrence County (67.1%).

It is also lower than in New York (73.9%).

It is not measurably different from the national figure (49.7%).

In St. Lawrence County, the Town of Louisville ranks 33 of 34 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 965 of 1,006.

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 (32.3%) and the share built before 1980 (40.5%).

Homes built before 1980 in places near the Town of Louisville

Nearest places with a published estimate, compared with the Town of Louisville
Place	Distance	Homes built before 1980	Compared with this place
Town of Louisville	—	40.5% (±11.6 points)	—
Village of Massena	6.0 mi	90.2% (±8.7 points)	Higher
Town of Norfolk	6.1 mi	61.1% (±11.3 points)	Higher
Norfolk (community)	8.3 mi	81.9% (±23.4 points)	Higher
Town of Massena	9.5 mi	86.9% (±8.5 points)	Higher
Village of Waddington	9.6 mi	58.3% (±15.4 points)	Not measurably different
Town of Waddington	10 mi	43.6% (±9.0 points)	Not measurably different
Village of Norwood	11 mi	85.9% (±10.3 points)	Higher
Town of Madrid	11 mi	62.6% (±10.9 points)	Higher

Nearby places with a measurably higher figure: Village of Massena, NY (90.2%), Town of Norfolk, NY (61.1%), Norfolk (community), NY (81.9%).

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

Homes built before 1980 across St. Lawrence County, place by place

Rank	Place	Homes built before 1980
26 (tie)	Town of De Peyster	52.7% (±20.6 points)
28	Town of Fowler	51.5% (±13.4 points)
29	Town of Stockholm	51.2% (±16.2 points)
30	Town of Lisbon	49.9% (±11.7 points)
31	Town of Russell	49.4% (±8.7 points)
32	Town of Waddington	43.6% (±9.0 points)
33	Town of Louisville	40.5% (±11.6 points)
34	Akwesasne	25.3% (±9.5 points)

Showing 8 of 34 places in St. Lawrence County, ranked from highest to lowest.

A New York town includes the villages and hamlets inside it, so the figures for the Town of Louisville include them.

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 Town of Louisville

How old are most homes in the Town of Louisville?

40.5% of homes in the Town of Louisville, NY were built before 1980 (2020–2024 American Community Survey).

Do homes in the Town of Louisville 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 32.3% and 40.5% of homes in the Town of Louisville were built before then.

Does a contractor need lead certification to work on older homes in the Town of Louisville?

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 — Louisville town, St. Lawrence County, New York

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 Louisville town, St. Lawrence County, New York (county subdivision:43588, in state:36 county:089).

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.