Susquehanna County, Pennsylvania

Founding: 1812 (declared in 1810)
Parent county: Luzerne

Namesake: The Susquehanna River
Seat: Montrose (1812–)

Land area: 823 square miles

Population (2020): 38,434

Population (historic): 9,960 (1820); 28,688 (1850); 37,523 (1870); 40,043 (1900); 33,806 (1930)

Periods of population growth: pre-1820–1880; 1930s; 1950–2010

Subdivisions: 13 boroughs; 27 townships

National Register listings: Eight

Pre-1940 residences (estimated): 6,971 (29.9%)
Pre-1940 housing survival rate: 71.8%
Pre-1860 housing survival rate (1940): 25%

Farm housing in disrepair (1950): 11.7%

Nonfarm housing in disrepair (1950): 8.9%
Average farmhouse value (1930): $1,500
Average outbuilding value (1930): $1,419
Average farmhouse size (1940): 7.7 rooms
Number of farms (1920): 3,526
Average farm size (1920): 79.4 acres
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Montrose

Namesake: Unknown

Founding: 1812 (platting); 1818 (post office); 1824 (incorporation)

Population (2020): 1,296

Population (historic): 415 (1830); 1,168 (1860); 1,722 (1880); 1,827 (1900); 1,909 (1930)

Periods of population growth: pre-1830–1910; 1920–1960
Pre-1940 residences (estimated): 563 (62.1%)
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Outstanding Buildings

1. *Nathaniel Reynolds Farm (c. 1830). 8437 State Route 167. Brooklyn.
2. *Woodbourne / Alexis Cope Estate (c. 1883). 8457 State Route 29. Dimock. Stick/Queen Anne.
3. *Hunter House (c. 1870). 9101 State Route 29. Dimock. Italianate.
4. *Nathan Wheaton House (c. 1840). 2305 Salt Springs Road. Franklin. Greek Revival.
5. John Sampson Farm (c. 1845). 191 State Route 1009. Harmony. Greek Revival.
6. *Elkanah Bolles Farm (c. 1855). 8497 State Route 706. Jessup. Greek Revival.