How old are the homes in Leon, IA?

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

80.3% (±13.2 points) of the homes in Leon, IA were built before 1980 (2020–2024 American Community Survey).

30.7% were built before 1940.

1.7% were built in 2010 or later.

Figures last updated on November 12, 2026.

Built before 1980: 80.3% (±13.2 points)
Built before 1940: 30.7%
Built 2010 or later: 1.7%

When the homes in Leon were built

Housing units by year structure built, 2020–2024
Year built	Leon	Decatur County	Iowa	United States
2020 or later	0.0% (±2.5 points)	0.9%	1.7%	2.0%
2010 to 2019	1.7% (±1.3 points)	4.3%	9.2%	9.4%
2000 to 2009	6.2% (±3.2 points)	11.0%	10.8%	13.6%
1990 to 1999	6.1% (±3.5 points)	12.8%	9.6%	12.4%
1980 to 1989	5.8% (±3.3 points)	7.7%	7.1%	12.9%
1970 to 1979	11.0% (±4.1 points)	13.6%	14.0%	14.2%
1960 to 1969	11.9% (±4.3 points)	9.8%	9.7%	9.9%
1950 to 1959	21.4% (±9.3 points)	9.2%	9.7%	9.5%
1940 to 1949	5.3% (±2.6 points)	3.2%	4.6%	4.4%
1939 or earlier	30.7% (±6.8 points)	27.5%	23.5%	11.7%

In Leon, the share of homes built before 1980 is higher than in Decatur County (63.3%).

It is also higher than in Iowa (61.5%).

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

In Decatur County, Leon ranks 3 of 10 places with a published estimate, from highest to lowest share of homes built before 1980.

Statewide, it ranks 423 of 943.

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 (69.3%) and the share built before 1980 (80.3%).

Homes built before 1980 in places near Leon

Nearest places with a published estimate, compared with Leon
Place	Distance	Homes built before 1980	Compared with this place
Leon	—	80.3% (±13.2 points)	—
Decatur	4.0 mi	63.3% (±31.4 points)	Not measurably different
Davis City	7.6 mi	70.6% (±25.0 points)	Not measurably different
Van Wert	9.1 mi	63.4% (±21.3 points)	Not measurably different
Garden Grove	9.8 mi	76.3% (±39.3 points)	Not measurably different
Weldon	11 mi	96.0% (±40.1 points)	Not measurably different
Pleasanton	11 mi	100.0% (±82.3 points)	Not measurably different
Grand River	12 mi	71.5% (±21.3 points)	Not measurably different
Lamoni	12 mi	67.0% (±11.6 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 Decatur County, place by place

Rank	Place	Homes built before 1980
1	Pleasanton	100.0% (±82.3 points)
2	Weldon	96.0% (±40.1 points)
3	Leon	80.3% (±13.2 points)
4	Garden Grove	76.3% (±39.3 points)
5	Grand River	71.5% (±21.3 points)
6	Davis City	70.6% (±25.0 points)
7	Lamoni	67.0% (±11.6 points)
8	Van Wert	63.4% (±21.3 points)
9	Decatur	63.3% (±31.4 points)

Showing 9 of 10 places in Decatur 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 Leon

How old are most homes in Leon?

80.3% of homes in Leon, IA were built before 1980 (2020–2024 American Community Survey).

Do homes in Leon 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 69.3% and 80.3% of homes in Leon were built before then.

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

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 — Leon city, Iowa

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 Leon city, Iowa (place:44535, in state:19).

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.