How old are the homes in Cotton Township, MN?

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

53.8% (±17.2 points) of the homes in Cotton Township, MN were built before 1980 (2020–2024 American Community Survey).

21.5% were built before 1940.

14.3% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 53.8% (±17.2 points)
Built before 1940: 21.5%
Built 2010 or later: 14.3%

When the homes in Cotton Township were built

Housing units by year structure built, 2020–2024
Year built	Cotton Township	St. Louis County	Minnesota	United States
2020 or later	0.7% (±0.7 points)	0.8%	1.9%	2.0%
2010 to 2019	13.6% (±5.7 points)	5.1%	8.5%	9.4%
2000 to 2009	12.2% (±5.3 points)	9.5%	13.3%	13.6%
1990 to 1999	6.7% (±4.3 points)	7.5%	12.2%	12.4%
1980 to 1989	12.9% (±5.3 points)	7.1%	12.0%	12.9%
1970 to 1979	13.6% (±5.4 points)	13.8%	14.2%	14.2%
1960 to 1969	12.0% (±6.1 points)	7.9%	9.1%	9.9%
1950 to 1959	4.4% (±2.9 points)	14.1%	9.1%	9.5%
1940 to 1949	2.3% (±2.1 points)	5.9%	4.1%	4.4%
1939 or earlier	21.5% (±14.7 points)	28.4%	15.6%	11.7%

In Cotton Township, the share of homes built before 1980 is not measurably different from St. Louis County (70.1%).

It is not measurably different from Minnesota (52.1%).

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

In St. Louis County, Cotton Township ranks 66 of 98 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 1624 of 2,629.

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 (40.2%) and the share built before 1980 (53.8%).

Homes built before 1980 in places near Cotton Township

Nearest places with a published estimate, compared with Cotton Township
Place	Distance	Homes built before 1980	Compared with this place
Cotton Township	—	53.8% (±17.2 points)	—
Northland Township (St. Louis County)	4.8 mi	47.6% (±16.2 points)	Not measurably different
Ellsburg Township	6.2 mi	60.6% (±14.5 points)	Not measurably different
Kelsey Township	9.0 mi	70.2% (±27.3 points)	Not measurably different
New Independence Township	11 mi	59.6% (±16.5 points)	Not measurably different
Meadowlands Township	11 mi	74.3% (±16.4 points)	Not measurably different
Alborn Township	12 mi	60.2% (±12.7 points)	Not measurably different
McDavitt Township	14 mi	56.9% (±12.8 points)	Not measurably different
Grand Lake Township	14 mi	52.8% (±10.4 points)	Not measurably different

None of the nearby places differs measurably from this one on this figure.

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

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

Rank	Place	Homes built before 1980
60	Beatty Township	55.6% (±10.2 points)
61	Crane Lake Township	55.3% (±17.0 points)
62	Lavell Township	55.0% (±12.4 points)
63	Morcom Township	54.5% (±28.7 points)
64 (tie)	French Township	53.9% (±10.9 points)
64 (tie)	Halden Township	53.9% (±21.8 points)
66	Cotton Township	53.8% (±17.2 points)
67	Kabetogama Township	53.2% (±14.5 points)
68	Morse Township (St. Louis County)	53.1% (±8.8 points)
69	Grand Lake Township	52.8% (±10.4 points)
70	Ness Township	52.6% (±26.8 points)
71	Fine Lakes Township	52.4% (±14.0 points)
72 (tie)	Brevator Township	50.4% (±10.0 points)

Showing 13 of 98 places in St. Louis 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 Cotton Township

How old are most homes in Cotton Township?

53.8% of homes in Cotton Township, MN were built before 1980 (2020–2024 American Community Survey).

Do homes in Cotton Township 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 40.2% and 53.8% of homes in Cotton Township were built before then.

Does a contractor need lead certification to work on older homes in Cotton Township?

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 — Cotton township, St. Louis County, Minnesota

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 Cotton township, St. Louis County, Minnesota (county subdivision:13528, in state:27 county:137).

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.