How old are the homes in Portage Township, MI?

47.2% (±9.1 points) of the homes in Portage Township, MI were built before 1980 (2020–2024 American Community Survey).

5.7% were built before 1940.

6.4% were built in 2010 or later.

Figures last updated on .

Built before 1980
47.2% (±9.1 points)
Built before 1940
5.7%
Built 2010 or later
6.4%

When the homes in Portage Township were built

Housing units by year structure built, 2020–2024
Year builtPortage TownshipMackinac CountyMichiganUnited States
2020 or later1.8% (±2.0 points)0.4%1.0%2.0%
2010 to 20194.6% (±3.0 points)3.5%4.9%9.4%
2000 to 200915.8% (±4.8 points)13.0%10.3%13.6%
1990 to 199916.0% (±5.5 points)15.4%12.1%12.4%
1980 to 198914.5% (±6.5 points)12.0%9.7%12.9%
1970 to 197918.7% (±5.1 points)14.9%14.9%14.2%
1960 to 19698.9% (±4.0 points)9.5%11.5%9.9%
1950 to 19598.7% (±4.4 points)10.3%14.2%9.5%
1940 to 19495.2% (±3.0 points)6.8%6.9%4.4%
1939 or earlier5.7% (±3.5 points)14.2%14.6%11.7%

In Portage Township, the share of homes built before 1980 is not measurably different from Mackinac County (55.7%).

It is also lower than in Michigan (62.1%).

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

In Mackinac County, Portage Township ranks 10 of 13 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 1120 of 1,520.

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 (28.5%) and the share built before 1980 (47.2%).

Homes built before 1980 in places near Portage Township

Nearest places with a published estimate, compared with Portage Township
PlaceDistanceHomes built before 1980Compared with this place
Portage Township—47.2% (±9.1 points)—
Lakefield Township (Luce County)6.8 mi47.8% (±9.6 points)Not measurably different
Germfask Township8.6 mi44.6% (±11.4 points)Not measurably different
Newton Township (Mackinac County)10 mi50.1% (±11.0 points)Not measurably different
Garfield Township (Mackinac County)13 mi60.1% (±9.5 points)Not measurably different
Mueller Township13 mi59.5% (±14.4 points)Not measurably different
Doyle Township13 mi51.6% (±10.3 points)Not measurably different
Columbus Township (Luce County)17 mi47.5% (±15.9 points)Not measurably different
Newberry17 mi88.5% (±13.7 points)Higher

Nearby places with a measurably higher figure: Newberry, MI (88.5%).

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

Homes built before 1980 across Mackinac County, place by place

RankPlaceHomes built before 1980
4Garfield Township (Mackinac County)60.1% (±9.5 points)
5Mackinac Island57.7% (±9.6 points)
6Brevort Township51.8% (±12.0 points)
7Hudson Township (Mackinac County)51.4% (±14.4 points)
8Newton Township (Mackinac County)50.1% (±11.0 points)
9Hendricks Township49.2% (±15.3 points)
10Portage Township47.2% (±9.1 points)
11Bois Blanc Township38.2% (±7.8 points)
12Moran Township37.5% (±9.2 points)
13St. Ignace Township37.0% (±9.0 points)

Showing 10 of 13 places in Mackinac 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 Portage Township

How old are most homes in Portage Township?

47.2% of homes in Portage Township, MI were built before 1980 (2020–2024 American Community Survey).

Do homes in Portage 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 28.5% and 47.2% of homes in Portage Township were built before then.

Does a contractor need lead certification to work on older homes in Portage 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

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 Portage township, Mackinac County, Michigan (county subdivision:65600, in state:26 county:097).

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.

Figures last updated on .

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