Census ZIP Code Tabulation Area
Will ZIP 11545 have a white Christmas?
Snow-on-the-ground odds near Old Brookville, NY, for December 25, 2026.
The historical picture
The validated 1991–2020 spatial model indicates an estimated 16% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.
ACS population
12,172
Land area
11.45 sq mi
Nearest station
16 mi
3DEP elevation
138 ft
Climate period
1991–2020
This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 1 miles from Old Brookville. The estimate retains all four NOAA source stations and their interpolation weights.
Frequently asked questions
- Will ZIP 11545 have a white Christmas?
- Its validated 1991–2020 historical estimate is 16%, or about about 2 years in 10. Inside the forecast window, live ensemble guidance is blended with that history.
- Is this the exact USPS ZIP boundary?
- No. The Census Bureau creates ZIP Code Tabulation Areas to approximate the geography of USPS ZIP Codes. USPS delivery routes can change and do not form a permanent national polygon dataset.