How old are the homes in Old Hill, CT?

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

77.0% (±22.5 points) of the homes in Old Hill, CT were built before 1980 (2020–2024 American Community Survey).

25.7% were built before 1940.

5.7% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 77.0% (±22.5 points)
Built before 1940: 25.7%
Built 2010 or later: 5.7%

When the homes in Old Hill were built

Housing units by year structure built, 2020–2024
Year built	Old Hill	Western Connecticut Planning Region	Connecticut	United States
2020 or later	0.0% (±3.9 points)	1.0%	0.7%	2.0%
2010 to 2019	5.7% (±3.9 points)	8.2%	4.5%	9.4%
2000 to 2009	12.0% (±6.6 points)	8.9%	7.1%	13.6%
1990 to 1999	2.2% (±2.0 points)	7.1%	7.5%	12.4%
1980 to 1989	2.9% (±2.0 points)	12.3%	12.9%	12.9%
1970 to 1979	19.0% (±16.7 points)	14.1%	13.7%	14.2%
1960 to 1969	14.5% (±6.3 points)	13.7%	13.0%	9.9%
1950 to 1959	14.1% (±6.6 points)	13.4%	14.1%	9.5%
1940 to 1949	3.7% (±3.0 points)	5.1%	6.3%	4.4%
1939 or earlier	25.7% (±11.6 points)	16.3%	20.2%	11.7%

In Old Hill, the share of homes built before 1980 is not measurably different from Western Connecticut Planning Region (62.6%).

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

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

In Western Connecticut Planning Region, Old Hill ranks 7 of 33 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 39 of 132.

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 (58.0%) and the share built before 1980 (77.0%).

Homes built before 1980 in places near Old Hill

Nearest places with a published estimate, compared with Old Hill
Place	Distance	Homes built before 1980	Compared with this place
Old Hill	—	77.0% (±22.5 points)	—
Westport Village	1.1 mi	55.7% (±10.7 points)	Not measurably different
Poplar Plains	1.3 mi	64.6% (±21.7 points)	Not measurably different
Compo	2.4 mi	57.4% (±11.8 points)	Not measurably different
South Wilton	2.5 mi	40.9% (±13.3 points)	Lower
Coleytown	2.6 mi	77.3% (±18.0 points)	Not measurably different
Saugatuck	2.7 mi	59.3% (±13.0 points)	Not measurably different
Staples	2.8 mi	65.5% (±13.6 points)	Not measurably different
Greens Farms	3.4 mi	39.6% (±9.5 points)	Lower

Nearby places with a measurably lower figure: South Wilton, CT (40.9%), Greens Farms, CT (39.6%).

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

Homes built before 1980 across Western Connecticut Planning Region, place by place

Rank	Place	Homes built before 1980
1	Lakes East	94.3% (±24.1 points)
2	Ball Pond	90.7% (±19.5 points)
3	Lakes West	86.0% (±17.5 points)
4	Byram	81.4% (±18.5 points)
5	Pemberwick	77.9% (±18.5 points)
6	Coleytown	77.3% (±18.0 points)
7	Old Hill	77.0% (±22.5 points)
8	Noroton Heights	75.6% (±15.6 points)
9	Greenwich (community)	74.2% (±7.6 points)
10	Tokeneke	73.3% (±15.0 points)
11	Cos Cob	71.7% (±11.3 points)
12	New Milford (community)	71.5% (±12.3 points)
13	Inglenook	71.3% (±38.1 points)

Showing 13 of 33 places in Western Connecticut Planning Region, ranked from highest to lowest.

Old Hill is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Westport, whose figures include it.

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 Old Hill

How old are most homes in Old Hill?

77.0% of homes in Old Hill, CT were built before 1980 (2020–2024 American Community Survey).

Do homes in Old Hill 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 58.0% and 77.0% of homes in Old Hill were built before then.

Does a contractor need lead certification to work on older homes in Old Hill?

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 — Old Hill CDP, Connecticut

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 Old Hill CDP, Connecticut (place:56935, in state:09).

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.