Delaware County > Sidney (town)
Population trend for Sidney
08,0001990: 6,6676,66719902000: 6,1096,10920002010: 5,7745,77420102020: 5,5365,53620202023: 5,5295,5292023
U.S. Census Bureau ACS, IPUMS

Sidney is a town in Delaware County, in the Southern Tier region.

Please note: There are multiple places in Upstate New York named Sidney: Sidney (Town, Delaware County); Sidney (Village, Delaware County).

2023 Median income for Delaware County communities
American Community Survey, 2023
2000
Delaware County home price index (FHFA)
1992–2024: Home prices rose about 186%.

268 176 85 1992 2024

The numbers at left represent an index, not dollar prices. The index is set to 100 in the year 2000.

Federal Reserve Bank of St. Louis (FRED)
Occupied housing units in Sidney
American Community Survey, 2023
Household types in Sidney
Married-couple families: 944 (72.4%) Married-couple families Male householder (no spouse): 148 (11.4%) Male householder (no spouse) Female householder (no spouse): 211 (16.2%) Female householder (no spouse) Householder living alone: 748 (79.8%) Householder living alone Householder not living alone: 189 (20.2%) Householder not living alone Family Nonfamily
ACS, 2023
Poverty rates by age group in Sidney

Pct 5 and under 46% Pct 6 to 17 16% Pct 18 to 64 18% Pct 65 and over 11%

The overall poverty rate in Sidney is 20 percent.
The highest rate is found among residents ages 5 and under.
Year: 2023

ACS, 2023

Where residents of Sidney lived in the prior year

Same house: 4,659 (88.9%) Same county (different house): 171 (3.3%) Different NY county: 222 (4.2%) Different state: 186 (3.6%) 5,238 current residents Same house: 4,659 (88.9%) Same house Different NY county: 222 (4.2%) Different NY county Different state: 186 (3.6%) Different state Same county (different house): 171 (3.3%) Same county (different house)
U.S. Census ACS, 2023
Median age of Sidney residents
40.7 48.1 45 42 2010 2015 2020 2023


The margin of error can be high in 2023 estimates, particularly for small towns and villages.

Changes in median age can also indicate a shift in the number of school-age children; see the Education page for enrollment trends.

U.S. Census Bureau