How old are the homes in the Town of Lewis (Lewis County), NY?

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

49.6% (±10.3 points) of the homes in the Town of Lewis (Lewis County), NY were built before 1980 (2020–2024 American Community Survey).

27.6% were built before 1940.

18.8% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 49.6% (±10.3 points)
Built before 1940: 27.6%
Built 2010 or later: 18.8%

When the homes in the Town of Lewis (Lewis County) were built

Housing units by year structure built, 2020–2024
Year built	Town of Lewis (Lewis County)	Lewis County	New York	United States
2020 or later	6.0% (±5.4 points)	0.9%	0.8%	2.0%
2010 to 2019	12.8% (±6.5 points)	6.9%	5.3%	9.4%
2000 to 2009	10.7% (±5.0 points)	9.5%	6.4%	13.6%
1990 to 1999	14.5% (±6.4 points)	11.9%	5.9%	12.4%
1980 to 1989	6.4% (±3.1 points)	12.9%	7.7%	12.9%
1970 to 1979	10.0% (±4.8 points)	9.8%	9.8%	14.2%
1960 to 1969	7.5% (±5.0 points)	6.1%	12.1%	9.9%
1950 to 1959	2.4% (±2.1 points)	5.5%	14.1%	9.5%
1940 to 1949	2.1% (±1.6 points)	3.8%	7.6%	4.4%
1939 or earlier	27.6% (±7.1 points)	32.6%	30.3%	11.7%

In the Town of Lewis (Lewis County), the share of homes built before 1980 is not measurably different from Lewis County (57.8%).

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

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

In Lewis County, the Town of Lewis (Lewis County) ranks 11 of 17 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 858 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 (39.6%) and the share built before 1980 (49.6%).

Homes built before 1980 in places near the Town of Lewis (Lewis County)

Nearest places with a published estimate, compared with the Town of Lewis (Lewis County)
Place	Distance	Homes built before 1980	Compared with this place
Town of Lewis (Lewis County)	—	49.6% (±10.3 points)	—
Town of Ava	7.6 mi	44.0% (±20.5 points)	Not measurably different
Town of West Turin	8.5 mi	64.4% (±9.7 points)	Higher
Town of Osceola	8.7 mi	44.1% (±11.6 points)	Not measurably different
Village of Constableville	9.2 mi	81.2% (±17.6 points)	Higher
Town of Annsville	9.4 mi	41.6% (±11.8 points)	Not measurably different
Town of Florence	9.6 mi	44.2% (±9.9 points)	Not measurably different
Town of Leyden	10.0 mi	64.4% (±11.5 points)	Not measurably different
Town of Lee	11 mi	66.0% (±11.3 points)	Higher

Nearby places with a measurably higher figure: Town of West Turin, NY (64.4%), Village of Constableville, NY (81.2%), Town of Lee, NY (66.0%).

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

Homes built before 1980 across Lewis County, place by place

Rank	Place	Homes built before 1980
5	Town of Greig	61.0% (±10.1 points)
6	Town of Denmark	59.3% (±9.3 points)
7	Town of Martinsburg	57.2% (±10.7 points)
8	Town of Diana	55.1% (±8.4 points)
9	Town of Croghan	54.3% (±9.1 points)
10	Town of Lyonsdale	50.0% (±10.9 points)
11	Town of Lewis (Lewis County)	49.6% (±10.3 points)
12	Town of New Bremen	49.5% (±8.5 points)
13	Town of Watson	48.0% (±8.5 points)
14	Town of Osceola	44.1% (±11.6 points)
15	Town of Harrisburg	41.9% (±22.5 points)
16	Town of Pinckney	41.7% (±14.0 points)
17	Town of Montague	26.6% (±9.6 points)

Showing 13 of 17 places in Lewis County, ranked from highest to lowest.

A New York town includes the villages and hamlets inside it, so the figures for the Town of Lewis (Lewis County) 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 Lewis (Lewis County)

How old are most homes in the Town of Lewis (Lewis County)?

49.6% of homes in the Town of Lewis (Lewis County), NY were built before 1980 (2020–2024 American Community Survey).

Do homes in the Town of Lewis (Lewis 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 39.6% and 49.6% of homes in the Town of Lewis (Lewis County) were built before then.

Does a contractor need lead certification to work on older homes in the Town of Lewis (Lewis 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 — Lewis town, Lewis 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 Lewis town, Lewis County, New York (county subdivision:42125, in state:36 county:049).

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.