Sussex County, New Jersey

Founding: 1753
Parent county: Morris

Namesake: Sussex, England
Seat: Newton (1765–)

Land area: 519 square miles

Population (2020): 144,221

Population (historic): 19,500 (1790); 20,345 (1830); 23,846 (1860); 24,134 (1900); 27,830 (1930)

Periods of population growth: pre-1790–1820; 1830–1860; 1870s; 1890–1910; 1920–2010

Subdivisions: One town; eight boroughs; 15 townships

Pre-1940 residences (estimated): 8,463 (13.6%)
Pre-1940 housing survival rate: 62%
Pre-1860 housing survival rate (1940): 36.5%

Farm housing in disrepair (1950): 5.8%

Nonfarm housing in disrepair (1950): 4.9%

Average farmhouse value (1930): $3,270
Average outbuilding value (1930): $2,990
Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 1,503
Average farm size (1920): 91.1 acres
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Newton

Namesake: Newtown, New York

Founding: 1762 (platting, as Newtown); 1797 (post office); 1864 (incorporation)

Population (2020): 8,374

Population (historic): 1,824 (1860); 2,513 (1880); 4,376 (1900); 5,401 (1930)

Periods of population growth: pre-1860–1910; 1920–1980; 1990s; 2010s
Pre-1940 residences (estimated): 1,416 (38.4%)
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Outstanding Buildings

1. Sampson Dildine House. 540 Ridge Road. Fredon.
2. Thomas Lawrence House (c. 1841). 3505 State Route 94. Hardyston. Greek Revival.
3. Shimer House (c. 1855). 290 River Road. Montague. Greek Revival.
4. Julius Foster House (c. 1795/1812). 320 River Road. Montague.
5. Jacob Shimer House (c. 1795). River Road. Montague. Razed.
6. Everitt House (c. 1740). River Road. Montague. Razed.
7. George Nelden House. 501 US Highway 206. Montague.
8. Philip Smith House (c. 1820). 19 Old Mine Road. Sandyston.
9. Barrett Farm (c. 1815). 192 Barrett Road. Vernon.
10. Barnett Drew Farm (c. 1865). 99 Sand Hill Road. Vernon. Italianate/Gothic Revival.
11. Delaware View Hotel. 1 Flatbrookville–Stillwater Road. Walpack.
12. Daniel Shoemaker Farm (c. 1822). Mountain Road. Walpack.
13. Isaac Van Campen House (c. 1750). Old Mine Road. Walpack. Georgian.
14. Richard Layton Farm. Ridge Road. Walpack. Federal.
15. Cornelius Gunn House (c. 1814). Ridge Road. Walpack. Razed.
16. Charles Cooper House. 27 Unionville Road. Wantage. Italianate.

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