How many zip codes are in Schenectady County New York?

Schenectady County, New York contains 17 zip codes.

What is the county seat of Schenectady County?

The county seat of Schenectady County, New York is Schenectady.

What cities are in Schenectady County?

Schenectady County USPS city names in this directory include Schenectady, Delanson, Pattersonville, Duanesburg, Rotterdam Junction, Alplaus, Quaker Street. The county seat is Schenectady.

What is the population of Schenectady County?

The population of Schenectady County, New York is approximately 179,542.

What zip codes are in Schenectady County?

Schenectady County contains 17 zip codes: 17 standard delivery ZIPs. Browse the table on this page for the complete list.

Schenectady County, New York Zip Codes

📍 Schenectady County has 17 zip codes with a population of 179,542.

County

Schenectady

County Seat

Schenectady

Zip Codes

Population

179,542

Schenectady County is located in New York with a land area of 232 square miles. The county seat is Schenectady. Below you'll find all 17 zip codes in Schenectady County with population, income and home value, the county's affordability profile, and links to its 7 city pages.

Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

All Schenectady County Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
12008	Alplaus	Schenectady	610	$140,594	$267,300	View →
12053	Delanson	Schenectady	4,325	$99,831	$258,600	View →
12056	Duanesburg	Schenectady	1,818	$117,652	$346,400	View →
12137	Pattersonville	Schenectady	2,347	$96,678	$267,200	View →
12141	Quaker Street	Schenectady	—	—	—	View →
12150	Rotterdam Junction	Schenectady	665	$73,977	$199,700	View →
12301	Schenectady	Schenectady	—	—	—	View →
12302	Schenectady	Schenectady	27,470	$94,156	$240,700	View →
12303	Schenectady	Schenectady	29,989	$77,615	$227,500	View →
12304	Schenectady	Schenectady	22,027	$67,688	$171,500	View →
12305	Schenectady	Schenectady	7,764	$50,308	$162,500	View →
12306	Schenectady	Schenectady	27,569	$80,583	$212,700	View →
12307	Schenectady	Schenectady	7,977	$33,191	$95,900	View →
12308	Schenectady	Schenectady	13,985	$59,789	$180,100	View →
12309	Schenectady	Schenectady	32,996	$119,830	$301,100	View →
12325	Schenectady	Schenectady	—	—	—	View →
12345	Schenectady	Schenectady	—	—	—	View →

Schenectady County at a Glance

Residents (ZIPs with data)

179,542

Median household income

$80,583

Median home value

$227,500

Price-to-income ratio

2.7

Median rent

$1,159

Owner-occupied

75%

Bachelor's degree+

31%

Poverty rate

9.3%

Schenectady County has 17 ZIP codes in this directory: 17 standard delivery ZIPs. The 13 ZIPs with published Census housing data cover 179,542 residents, the largest being 12309 (Schenectady) with 32,996 people.

The median ZIP in Schenectady County has a household income of $80,583 and a home value of $227,500, a price-to-income ratio of 2.7, below the 2.9 New York ZIP median. Affordability ranges from 12008 in Alplaus at a ratio of 1.9 to 12056 in Duanesburg, where the median home is $346,400. The highest median income is in 12008 (Alplaus) at $140,594. Median rent across these ZIPs is $1,159 a month.

75% of households in the typical Schenectady County ZIP own their home (statewide ZIP median 80%). 31% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 9.3%, below the 9.9% statewide ZIP median. Overall density is about 774 residents per square mile across 232 square miles of ZIP land area.

Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.