Clinton County, New York

Founding: 1788
Parent county: Washington

Namesake: George Clinton, New York governor
Seat: Plattsburgh (1788–)

Land area: 1,038 square miles

Population (2020): 79,843

Population (historic): 1,615 (1790); 28,157 (1840); 47,947 (1870); 47,430 (1900); 46,687 (1930)

Periods of population growth: pre-1790–1800; 1810–1880; 1890–1910; 1920–1940; 1950–1990; 2000s

Subdivisions: One city; three villages; 14 CDPs; 14 towns

National Register listings: 54

Pre-1940 residences (estimated): 8,060 (22%)
Pre-1940 housing survival rate: 69.4%
Pre-1860 housing survival rate (1940): 22.6%

Farm housing in disrepair (1950): 16%

Nonfarm housing in disrepair (1950): 8.7%

Average farmhouse value (1930): $1,870
Average outbuilding value (1930): $1,872
Average farmhouse size (1940): 7.1 rooms
Number of farms (1920): 3,402
Average farm size (1920): 55.1 acres
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Plattsburgh

Namesake: Zephaniah Platt, owner of the city site

Founding: 1785 (platting); 1797 (post office); 1815 (incorporation)

Population (2020): 19,841

Population (historic): 3,032 (1860); 5,245 (1880); 8,434 (1900); 13,349 (1930)

Periods of population growth: pre-1860–1910; 1920–1960; 1970–1990; 2000s
Pre-1940 residences (estimated): 2,479 (28%)
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Outstanding Buildings

1. *Thomas Miller House (1822). 664 Hallock Hill Road. Au Sable.
2. *Elihu Hays House (c. 1830). 276 State Route 9N. Au Sable. Federal.
3. *Timothy Hoyle House (c. 1870). 101 Meridian Road. Champlain.
4. Philip Stoughton House (c. 1870). 216 Fiske Road. Chazy. Italianate.
5. John North House (c. 1835). 9818 US Highway 9. Chazy. Federal.
6. Everest Farm (c. 1835). 5 Eccles Road. Peru. Federal.
7. *David Straight House (c. 1865). 3445 US Highway 9. Peru. Italianate.