How many zip codes are in Saint Lawrence County New York?

Saint Lawrence County, New York contains 47 zip codes.

What is the county seat of Saint Lawrence County?

The county seat of Saint Lawrence County, New York is Childwold.

What cities are in Saint Lawrence County?

Saint Lawrence County USPS city names in this directory include Massena, Ogdensburg, Potsdam, Canton, Gouverneur, Norfolk, Norwood, Brasher Falls and 38 more. The county seat is Childwold.

What is the population of Saint Lawrence County?

The population of Saint Lawrence County, New York is approximately 105,944.

What zip codes are in Saint Lawrence County?

Saint Lawrence County contains 47 zip codes: 47 standard delivery ZIPs. Browse the table on this page for the complete list.

Saint Lawrence County, New York Zip Codes

📍 Saint Lawrence County has 47 zip codes with a population of 105,944.

County

Saint Lawrence

County Seat

Childwold

Zip Codes

Population

105,944

Saint Lawrence County is located in New York with a land area of 2,441 square miles. The county seat is Childwold. Below you'll find all 47 zip codes in Saint Lawrence County with population, income and home value, the county's affordability profile, and links to its 46 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 Saint Lawrence County Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
12922	Childwold	Saint Lawrence	33	$95,625	$193,800	View →
12927	Cranberry Lake	Saint Lawrence	308	$64,583	—	View →
12949	Lawrenceville	Saint Lawrence	—	—	—	View →
12965	Nicholville	Saint Lawrence	281	$63,214	$88,600	View →
12967	North Lawrence	Saint Lawrence	1,363	$78,438	$96,300	View →
12973	Piercefield	Saint Lawrence	136	$86,875	$98,800	View →
13613	Brasher Falls	Saint Lawrence	2,733	$57,026	$116,800	View →
13614	Brier Hill	Saint Lawrence	287	$36,250	—	View →
13617	Canton	Saint Lawrence	12,294	$72,652	$148,900	View →
13621	Chase Mills	Saint Lawrence	683	$63,125	$160,300	View →
13623	Chippewa Bay	Saint Lawrence	76	$43,977	$114,800	View →
13625	Colton	Saint Lawrence	1,689	$76,711	$161,900	View →
13630	De Kalb Junction	Saint Lawrence	1,307	$67,000	$85,100	View →
13633	De Peyster	Saint Lawrence	378	$62,917	$90,000	View →
13635	Edwards	Saint Lawrence	1,283	$74,583	$96,300	View →
13639	Fine	Saint Lawrence	23	$21,346	—	View →
13642	Gouverneur	Saint Lawrence	9,018	$47,452	$116,200	View →
13645	Hailesboro	Saint Lawrence	—	—	—	View →
13646	Hammond	Saint Lawrence	2,373	$67,344	$133,000	View →
13647	Hannawa Falls	Saint Lawrence	159	—	—	View →
13649	Helena	Saint Lawrence	58	—	—	View →
13652	Hermon	Saint Lawrence	1,876	$65,203	$96,900	View →
13654	Heuvelton	Saint Lawrence	2,370	$71,389	$127,500	View →
13658	Lisbon	Saint Lawrence	2,028	$62,102	$114,000	View →
13660	Madrid	Saint Lawrence	1,953	$71,964	$121,000	View →
13662	Massena	Saint Lawrence	15,737	$56,987	$118,300	View →
13664	Morristown	Saint Lawrence	401	$75,909	$149,100	View →
13666	Newton Falls	Saint Lawrence	236	$32,679	$47,800	View →
13667	Norfolk	Saint Lawrence	3,460	$57,114	$111,400	View →
13668	Norwood	Saint Lawrence	3,313	$78,286	$119,500	View →
13669	Ogdensburg	Saint Lawrence	15,615	$66,488	$101,800	View →
13670	Oswegatchie	Saint Lawrence	382	$32,500	$61,700	View →
13672	Parishville	Saint Lawrence	408	$73,448	$92,600	View →
13676	Potsdam	Saint Lawrence	13,408	$56,900	$148,800	View →
13677	Pyrites	Saint Lawrence	—	—	—	View →
13678	Raymondville	Saint Lawrence	19	—	—	View →
13680	Rensselaer Falls	Saint Lawrence	1,417	$73,000	$134,600	View →
13681	Richville	Saint Lawrence	941	$46,797	$72,800	View →
13683	Rooseveltown	Saint Lawrence	58	—	—	View →
13684	Russell	Saint Lawrence	1,105	$56,250	$111,200	View →
13687	South Colton	Saint Lawrence	421	$43,355	$165,600	View →
13690	Star Lake	Saint Lawrence	651	$58,611	$81,900	View →
13694	Waddington	Saint Lawrence	1,232	$77,308	$207,500	View →
13695	Wanakena	Saint Lawrence	169	$116,250	$233,300	View →
13696	West Stockholm	Saint Lawrence	188	$55,401	—	View →
13697	Winthrop	Saint Lawrence	1,951	$73,324	$144,900	View →
13699	Potsdam	Saint Lawrence	2,123	—	—	View →

Saint Lawrence County at a Glance

Residents (ZIPs with data)

105,944

Median household income

$66,488

Median home value

$116,200

Price-to-income ratio

1.9

Median rent

$800

Owner-occupied

83%

Bachelor's degree+

21%

Poverty rate

16.8%

Saint Lawrence County has 47 ZIP codes in this directory: 47 standard delivery ZIPs. The 35 ZIPs with published Census housing data cover 105,944 residents, the largest being 13662 (Massena) with 15,737 people.

The median ZIP in Saint Lawrence County has a household income of $66,488 and a home value of $116,200, a price-to-income ratio of 1.9, below the 2.9 New York ZIP median. Affordability ranges from 12973 in Piercefield at a ratio of 1.1 to 13695 in Wanakena, where the median home is $233,300. The highest median income is in 13695 (Wanakena) at $116,250. Median rent across these ZIPs is $800 a month.

83% of households in the typical Saint Lawrence County ZIP own their home (statewide ZIP median 80%). 21% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 16.8%, far above the 9.9% statewide ZIP median. Overall density is about 43 residents per square mile across 2,441 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.

Saint Lawrence County Zip Code Map

Interactive map of Saint Lawrence County, New York zip codes.

Saint Lawrence County, New York Zip Codes

All Saint Lawrence County Zip Codes

Saint Lawrence County at a Glance

Saint Lawrence County Zip Code Map

Cities in Saint Lawrence County (46)

Frequently Asked Questions

How many zip codes are in Saint Lawrence County New York?

What is the county seat of Saint Lawrence County?

What cities are in Saint Lawrence County?

What is the population of Saint Lawrence County?

What zip codes are in Saint Lawrence County?

Neighboring Counties

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