How old are the homes in the Town of Liberty Grove, WI?

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

51.9% (±8.4 points) of the homes in the Town of Liberty Grove, WI were built before 1980 (2020–2024 American Community Survey).

19.1% were built before 1940.

10.1% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 51.9% (±8.4 points)
Built before 1940: 19.1%
Built 2010 or later: 10.1%

When the homes in the Town of Liberty Grove were built

Housing units by year structure built, 2020–2024
Year built	Town of Liberty Grove	Door County	Wisconsin	United States
2020 or later	3.0% (±2.0 points)	1.7%	1.4%	2.0%
2010 to 2019	7.1% (±3.3 points)	9.9%	7.1%	9.4%
2000 to 2009	15.2% (±4.4 points)	15.1%	12.5%	13.6%
1990 to 1999	12.6% (±4.0 points)	13.9%	12.5%	12.4%
1980 to 1989	10.3% (±4.1 points)	13.7%	9.5%	12.9%
1970 to 1979	14.8% (±4.6 points)	14.0%	14.2%	14.2%
1960 to 1969	5.6% (±2.9 points)	5.7%	9.4%	9.9%
1950 to 1959	7.8% (±3.2 points)	6.3%	10.3%	9.5%
1940 to 1949	4.6% (±2.6 points)	5.2%	5.3%	4.4%
1939 or earlier	19.1% (±4.9 points)	14.5%	17.8%	11.7%

In the Town of Liberty Grove, the share of homes built before 1980 is not measurably different from Door County (45.7%).

It is not measurably different from Wisconsin (57.0%).

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

In Door County, the Town of Liberty Grove ranks 12 of 19 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 1035 of 1,848.

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 (37.1%) and the share built before 1980 (51.9%).

Homes built before 1980 in places near the Town of Liberty Grove

Nearest places with a published estimate, compared with the Town of Liberty Grove
Place	Distance	Homes built before 1980	Compared with this place
Town of Liberty Grove	—	51.9% (±8.4 points)	—
Sister Bay	9.4 mi	25.1% (±6.5 points)	Lower
Ephraim	12 mi	74.7% (±12.2 points)	Higher
Town of Washington (Door County)	12 mi	55.7% (±8.9 points)	Not measurably different
Town of Baileys Harbor	12 mi	36.7% (±7.0 points)	Lower
Town of Gibraltar	16 mi	22.9% (±5.3 points)	Lower
Town of Jacksonport	19 mi	55.7% (±9.7 points)	Not measurably different
Egg Harbor	22 mi	30.7% (±7.2 points)	Lower
Town of Sevastopol	25 mi	35.1% (±8.0 points)	Lower

Nearby places with a measurably lower figure: Sister Bay, WI (25.1%), Town of Baileys Harbor, WI (36.7%), Town of Gibraltar, WI (22.9%).

Nearby places with a measurably higher figure: Ephraim, WI (74.7%).

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

Homes built before 1980 across Door County, place by place

Rank	Place	Homes built before 1980
6 (tie)	Town of Jacksonport	55.7% (±9.7 points)
6 (tie)	Town of Washington (Door County)	55.7% (±8.9 points)
8	Town of Sturgeon Bay	55.3% (±10.7 points)
9	Town of Forestville	53.0% (±13.0 points)
10	Town of Nasewaupee	52.7% (±9.5 points)
11	Sturgeon Bay	52.2% (±6.9 points)
12	Town of Liberty Grove	51.9% (±8.4 points)
13	Town of Gardner	51.2% (±9.8 points)
14	Town of Baileys Harbor	36.7% (±7.0 points)
15	Town of Sevastopol	35.1% (±8.0 points)
16	Egg Harbor	30.7% (±7.2 points)
17	Sister Bay	25.1% (±6.5 points)
18	Town of Egg Harbor	23.5% (±5.0 points)

Showing 13 of 19 places in Door 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 Town of Liberty Grove

How old are most homes in the Town of Liberty Grove?

51.9% of homes in the Town of Liberty Grove, WI were built before 1980 (2020–2024 American Community Survey).

Do homes in the Town of Liberty Grove 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 37.1% and 51.9% of homes in the Town of Liberty Grove were built before then.

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

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 — Liberty Grove town, Door County, Wisconsin

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 Liberty Grove town, Door County, Wisconsin (county subdivision:43925, in state:55 county:029).

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.