What kinds of homes are in Mars, PA?

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

Mars, PA has 655 (±87) homes (2020–2024 American Community Survey).

That is about 1,394 homes per square mile of land.

53.4% are detached single-family houses.

11.6% are in buildings of two to four units.

34.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 655 (±87)
Detached houses: 53.4%
2–4 unit buildings: 11.6%
5+ unit buildings: 34.3%

Homes in Mars by building size

Housing units by units in structure, 2020–2024
Building type	Mars	Butler County	Pennsylvania	United States
Single-family, detached	53.4% (±7.9 points)	69.5%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	0.8% (±1.3 points)	8.2%	18.8%	6.2%
2 units	0.0% (±4.8 points)	2.9%	4.3%	3.4%
3 or 4 units	11.6% (±7.8 points)	2.7%	4.0%	4.3%
5 to 9 units	6.9% (±6.1 points)	2.3%	3.1%	4.5%
10 to 19 units	7.2% (±5.7 points)	2.6%	2.6%	4.3%
20 or more units	20.2% (±6.7 points)	4.9%	7.0%	10.3%
Mobile home	0.0% (±4.8 points)	6.8%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±4.8 points)	0.0%	0.0%	0.1%

In Mars, the share of homes in buildings of five or more units is higher than in Butler County (9.8%).

It is also higher than in Pennsylvania (12.7%).

It is higher than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Mars

Nearest places with a published estimate, compared with Mars
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mars	—	34.3% (±10.7 points)	—
Adams Township (Butler County)	1.5 mi	4.3% (±2.0 points)	Lower
Valencia	1.9 mi	21.9% (±14.6 points)	Not measurably different
Seven Fields	2.7 mi	13.8% (±7.3 points)	Lower
Callery	3.2 mi	0.0% (±29.3 points)	Lower
Pine Township (Allegheny County)	3.8 mi	6.4% (±2.7 points)	Lower
Middlesex Township (Butler County)	4.6 mi	0.0% (±1.9 points)	Lower
Richland Township (Allegheny County)	4.7 mi	7.6% (±2.7 points)	Lower
Cranberry Township (Butler County)	4.9 mi	21.0% (±3.3 points)	Lower

Nearby places with a measurably lower figure: Adams Township (Butler County), PA (4.3%), Seven Fields, PA (13.8%), Callery, PA (0.0%).

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

Homes in buildings of 5 or more units across Butler County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Slippery Rock	34.4% (±11.8 points)
2	Mars	34.3% (±10.7 points)
3	Valencia	21.9% (±14.6 points)
4	Cranberry Township (Butler County)	21.0% (±3.3 points)
5	Saxonburg	18.7% (±6.0 points)
6	Zelienople	18.5% (±9.0 points)
7	Butler	18.4% (±3.3 points)
8	Slippery Rock Township (Butler County)	18.0% (±7.2 points)

Showing 8 of 57 places in Butler 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 Mars

How many homes are in Mars?

Mars, PA has an estimated 655 (±87) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mars houses or apartments?

53.4% are detached houses and 0.8% attached houses, while 45.9% are in buildings of two or more units.

How many two-family and small multifamily homes are in Mars?

11.6% of homes in Mars are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mars borough, Pennsylvania

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 Mars borough, Pennsylvania (place:47672, in state:42).

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_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

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.