Tompkins County, New York

Founding: 1817
Parent counties: Cayuga and Seneca

Namesake: Daniel Tompkins, New York governor
Seat: Ithaca (1817–)

Land area: 475 square miles

Population (2020): 105,740

Population (historic): 20,681 (1820); 38,746 (1850); 33,178 (1870); 33,830 (1900); 41,490 (1930)

Periods of population growth: pre-1820–1850; 1860–1880; 1890s; 1910–2020

Subdivisions: One city; six villages; 14 CDPs; nine towns

Pre-1940 residences (estimated): 10,911 (25.1%)
Pre-1940 housing survival rate: 85.9%
Pre-1860 housing survival rate (1940): 36.3%

Farm housing in disrepair (1950): 9.9%

Nonfarm housing in disrepair (1950): 5.9%

Average farmhouse value (1930): $1,761
Average outbuilding value (1930): $1,603
Average farmhouse size (1940): 7.8 rooms
Number of farms (1920): 2,550
Average farm size (1920): 73.3 acres
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Ithaca

Namesake: Ithaca, Greece

Founding: 1791 (platting); 1804 (post office); 1821 (incorporation)

Population (2020): 32,108

Population (historic): 8,462 (1870); 11,079 (1890); 14,802 (1910); 20,708 (1930)

Periods of population growth: pre-1870–1930; 1940s; 1970–1990; 2000–2020
Pre-1940 residences (estimated): 4,637 (38.6%)
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Outstanding Buildings

1. Harrison Perry Farm (c. 1840). 1236 76 Road. Caroline. Greek Revival.
2. John Schutt House (c. 1840). 185 Midline Road. Caroline. Greek Revival.
3. Aaron Bull House (c. 1840). 2490 Slaterville Road. Caroline. Greek Revival.
4. Walter Thomas Farm (c. 1840). 2962 Slaterville Road. Caroline. Greek Revival.
5. Albert Twogood Farm (c. 1840). 1975 Dryden Road. Dryden. Greek Revival.
6. Stickle Hamblin House (c. 1840). 2085 Dryden Road. Dryden. Greek Revival.
7. John Ellis Farm (c. 1855). 1790 Ellis Hollow Road. Dryden. Gothic Revival.
8. School Number Five (1827). 1748 Hanshaw Road. Dryden. Federal.
9. House (c. 1870). 12 Lake Road. Dryden. Italianate.
10. House (c. 1885). 22 Purvis Road. Dryden. Stick.
11. House (c. 1880). 474 Snyder Hill Road. Dryden. Second Empire.
12. House (1879). 490 Snyder Hill Road. Dryden. Second Empire.
13. Aaron Genung Farm (c. 1870). 505 Snyder Hill Road. Dryden. Italianate.
14. House (c. 1875). 379 Virgil Road. Dryden. Italianate.
15. Charles Woodward House (1822). 4 Stone House Road. Enfield. Federal.
16. Henry Allen Farm (c. 1820). 973 Elm Street. Groton. Federal.
17. Lyman Darling Farm (c. 1870). 210 Old Peruville Road. Groton. Second Empire.
18. Joel Hough House (c. 1845). 612 Salt Road. Groton. Greek Revival/Italianate.
19. Henry Walbridge House (c. 1840). 209 Coy Glen Road. Ithaca. Greek Revival.
20. Cornelius Weller House (c. 1870). 929 Danby Road. Ithaca. Italianate.
21. Thomas Williams House (1851–1852). 919 Elmira Road. Ithaca. Gothic Revival.
22. Williams House (c. 1845). 704 Five Mile Road. Ithaca. Greek Revival/Italianate.
23. Abraham Osmun House (c. 1860). 813 Auburn Road. Lansing. Italianate. Razed.
24. Bower Farm (c. 1850). 989 Auburn Road. Lansing. Greek Revival.
25. Rogues' Harbor Inn (1830/1842). 2079 East Shore Road. Lansing. Greek Revival.
26. House (c. 1875). 304 Peruville Road. Lansing. Second Empire.
27. Farm (c. 1880). 813 Ridge Road. Lansing. Eastlake.
28. William Davis Farm (c. 1855). 1616 Ridge Road. Lansing. Gothic Revival.
29. Ludlow House (c. 1890). 465 Van Ostrand Road. Lansing. Stick.
30. Richard Hedden Farm (c. 1820). 154 Wilson Road. Lansing. Federal.
31. Kellogg House (c. 1870). 190 Benjamin Hill Road. Newfield. Gothic Revival.
32. Van Kirk House (c. 1870). 90 Van Kirk Road. Newfield. Italianate.
33. Henry Rudy House (c. 1840). 6273 Curry Road. Ulysses. Greek Revival.
34. House (c. 1880). 6402 Jacksonville Road. Ulysses. Italianate. Razed.
35. Alfred Bates Farm (c. 1845). 8241 Searsburg Road. Ulysses. Greek Revival.
36. Davis House (c. 1860). 1662 Taughannock Road. Ulysses. Gothic Revival.
37. James Mattison House (c. 1865). 1822 Trumansburg Road. Ulysses. Italianate.
38. Nicoll Halsey House (1829). 2057 Trumansburg Road. Ulysses. Greek Revival.

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