How old are the homes in Bloomingdale Township, IL?

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

56.7% (±2.3 points) of the homes in Bloomingdale Township, IL were built before 1980 (2020–2024 American Community Survey).

1.5% were built before 1940.

2.3% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 56.7% (±2.3 points)
Built before 1940: 1.5%
Built 2010 or later: 2.3%

When the homes in Bloomingdale Township were built

Housing units by year structure built, 2020–2024
Year built	Bloomingdale Township	DuPage County	Illinois	United States
2020 or later	0.6% (±0.2 points)	0.8%	0.7%	2.0%
2010 to 2019	1.7% (±0.5 points)	4.7%	5.0%	9.4%
2000 to 2009	7.0% (±1.0 points)	9.3%	11.2%	13.6%
1990 to 1999	16.0% (±1.4 points)	14.6%	10.5%	12.4%
1980 to 1989	17.9% (±1.5 points)	17.1%	9.2%	12.9%
1970 to 1979	33.8% (±1.6 points)	22.8%	14.2%	14.2%
1960 to 1969	13.1% (±1.2 points)	13.0%	11.5%	9.9%
1950 to 1959	7.0% (±0.8 points)	9.9%	11.9%	9.5%
1940 to 1949	1.3% (±0.4 points)	2.5%	5.6%	4.4%
1939 or earlier	1.5% (±0.6 points)	5.3%	20.2%	11.7%

In Bloomingdale Township, the share of homes built before 1980 is higher than in DuPage County (53.5%).

It is also lower than in Illinois (63.4%).

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

In DuPage County, Bloomingdale Township ranks 19 of 39 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 1974 of 2,751.

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 (22.9%) and the share built before 1980 (56.7%).

Homes built before 1980 in places near Bloomingdale Township

Nearest places with a published estimate, compared with Bloomingdale Township
Place	Distance	Homes built before 1980	Compared with this place
Bloomingdale Township	—	56.7% (±2.3 points)	—
Bloomingdale	0.2 mi	48.4% (±4.5 points)	Lower
Glendale Heights	2.1 mi	57.0% (±4.3 points)	Not measurably different
Roselle	2.2 mi	62.5% (±5.4 points)	Not measurably different
Carol Stream	3.0 mi	37.9% (±3.5 points)	Lower
Hanover Park	3.6 mi	66.5% (±4.3 points)	Higher
Itasca	4.1 mi	49.8% (±9.0 points)	Not measurably different
Addison	4.3 mi	68.7% (±5.0 points)	Higher
Bartlett	4.6 mi	28.9% (±2.7 points)	Lower

Nearby places with a measurably lower figure: Bloomingdale, IL (48.4%), Carol Stream, IL (37.9%), Bartlett, IL (28.9%).

Nearby places with a measurably higher figure: Hanover Park, IL (66.5%), Addison, IL (68.7%).

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

Homes built before 1980 across DuPage County, place by place

Rank	Place	Homes built before 1980
13	Wheaton	62.1% (±3.3 points)
14	Oakbrook Terrace	61.8% (±11.9 points)
15	Milton Township	60.3% (±2.2 points)
16	Westmont	60.0% (±5.4 points)
17	Downers Grove Township	57.2% (±2.0 points)
18	Glendale Heights	57.0% (±4.3 points)
19	Bloomingdale Township	56.7% (±2.3 points)
20	Darien	55.0% (±5.0 points)
21	Oak Brook	54.8% (±8.9 points)
22	Lisle Township	52.0% (±2.1 points)
23	Winfield Township	51.8% (±3.8 points)
24	West Chicago	50.3% (±5.9 points)
25	Itasca	49.8% (±9.0 points)

Showing 13 of 39 places in DuPage 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 Bloomingdale Township

How old are most homes in Bloomingdale Township?

56.7% of homes in Bloomingdale Township, IL were built before 1980 (2020–2024 American Community Survey).

Do homes in Bloomingdale 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 22.9% and 56.7% of homes in Bloomingdale Township were built before then.

Does a contractor need lead certification to work on older homes in Bloomingdale 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 — Bloomingdale township, DuPage County, Illinois

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 Bloomingdale township, DuPage County, Illinois (county subdivision:06600, in state:17 county:043).

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.