Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NY/HILLSIDE-LAKE

Hillside Lake ZIP codes, New York

No ZIP code is named for Hillside Lake, NY; addresses there use a neighbouring town's name. The ZIP code covering it is 12590. Its area codes are 845 and 329.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
784
Area codes
845, 329

NANPA lists no telephone rate centre for Hillside Lake itself, so these are the area codes of the nearest one, Wappingers Falls (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Hillside Lake in numbers

About 784 people live in Hillside Lake, in 327 households. The median household income is $95,231 a year, 11% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $376,600 (11% below the New York median). The median age is 59.2; 36.0% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 40 minutes.

Population784Hillside Lake784
Households327Hillside Lake327
Median age59.2Hillside Lake59.2New York39.8US 38.9
Median household income$95,231Hillside Lake$95,231New York$85,974US $80,734
Median home value$376,600Hillside Lake$376,600New York$423,800US $332,700
Bachelor's degree or higher36.0%Hillside Lake36.0%New York40.2%US 35.7%
Mean commute40.4 minHillside Lake40.4 minNew York32.6 minUS 26.4 min
Population density1,499 / sq miHillside Lake1,499 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Hillside Lake CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Hillside Lake

These ZIP codes cover part of Hillside Lake but are addressed as somewhere else.

ZIP codes overlapping Hillside Lake
ZIP City Type Population Median income Median home
12590 Wappingers Falls , NY Standard 35,712 $102,285 $400,300

Map of Hillside Lake ZIP codes

12590

The ZIP codes of Hillside Lake, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Hillside Lake

The nearest larger towns are Hopewell Junction (1,656 people, 2.6 mi), Chelsea Cove (1,050 people, 2.6 mi) and New Hackensack (957 people, 3.3 mi).

Towns near Hillside Lake
TownPopulationDistance
Red Oaks Mill 3,254 4.6 mi
Myers Corner 10,877 5.0 mi
Brinckerhoff 2,813 5.5 mi
Wappingers Falls 5,761 6.3 mi
Spackenkill 4,279 6.5 mi
Vassar College 3,529 7.0 mi
Crown Heights 2,718 7.0 mi
Arlington 2,806 7.7 mi
Poughkeepsie 31,958 8.4 mi
Marlboro 3,679 9.3 mi
Fairview 6,213 10.0 mi
Marist College 2,564 10.2 mi
Highland 6,367 11.2 mi
Haviland 3,923 11.5 mi

More nearby: every ZIP code in Dutchess County · New York ZIP codes

Cite this page

zipcodes.pro. “Hillside Lake, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/hillside-lake

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