What kinds of homes are in Ithaca, NY?

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

Ithaca, NY has 16,183 (±531) homes (2020–2024 American Community Survey).

That is about 3,003 homes per square mile of land.

30.7% are detached single-family houses.

21.0% are in buildings of two to four units.

41.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 16,183 (±531)
Detached houses: 30.7%
2–4 unit buildings: 21.0%
5+ unit buildings: 41.4%

Homes in Ithaca by building size

Housing units by units in structure, 2020–2024
Building type	Ithaca	Tompkins County	New York	United States
Single-family, detached	30.7% (±3.2 points)	50.1%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	5.9% (±2.4 points)	3.9%	5.5%	6.2%
2 units	10.6% (±2.4 points)	7.1%	9.6%	3.4%
3 or 4 units	10.4% (±2.6 points)	7.7%	6.9%	4.3%
5 to 9 units	12.2% (±3.1 points)	7.5%	5.2%	4.5%
10 to 19 units	7.3% (±2.2 points)	5.0%	4.4%	4.3%
20 or more units	21.9% (±3.6 points)	11.0%	25.1%	10.3%
Mobile home	1.0% (±0.7 points)	7.6%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.0%	0.1%

In Ithaca, the share of homes in buildings of five or more units is higher than in Tompkins County (23.5%).

It is also higher than in New York (34.7%).

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

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

Nearest places with a published estimate, compared with Ithaca
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Ithaca	—	41.4% (±5.2 points)	—
Village of Cayuga Heights	1.8 mi	26.9% (±10.3 points)	Lower
Forest Home	1.8 mi	37.0% (±22.4 points)	Not measurably different
Northwest Ithaca	1.9 mi	31.1% (±11.2 points)	Not measurably different
South Hill	2.4 mi	14.1% (±8.8 points)	Lower
East Ithaca	2.6 mi	23.6% (±11.2 points)	Lower
Northeast Ithaca	2.6 mi	24.9% (±8.5 points)	Lower
Town of Ithaca	2.8 mi	21.8% (±4.1 points)	Lower
Village of Lansing	3.3 mi	64.4% (±21.0 points)	Higher

Nearby places with a measurably lower figure: Village of Cayuga Heights, NY (26.9%), South Hill, NY (14.1%), East Ithaca, NY (23.6%).

Nearby places with a measurably higher figure: Village of Lansing, NY (64.4%).

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 Tompkins County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Ithaca	41.4% (±5.2 points)
2	Town of Lansing	31.6% (±8.3 points)
3	Town of Ithaca	21.8% (±4.1 points)
4	Town of Dryden	10.4% (±2.8 points)
5	Town of Groton	6.6% (±3.2 points)
6	Town of Ulysses	5.3% (±2.4 points)
7	Town of Newfield	3.3% (±3.1 points)

Showing 7 of 10 places in Tompkins 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 Ithaca

How many homes are in Ithaca?

Ithaca, NY has an estimated 16,183 (±531) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Ithaca houses or apartments?

30.7% are detached houses and 5.9% attached houses, while 62.4% are in buildings of two or more units.

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

21.0% of homes in Ithaca 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 — Ithaca city, Tompkins County, New York

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 Ithaca city, Tompkins County, New York (county subdivision:38077, in state:36 county:109).

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.