Richmond County, New York

Founding: 1683
Parent county: The colony of New Netherland

Namesake: Charles Lennox, Duke of Richmond
Seat: New Dorp (1683–1729); Richmondtown (1729–1913); St. George (1913–)

Land area: 59 square miles

Population (2020): 495,747 

Population (historic): 3,835 (1790); 7,082 (1830); 33,029 (1870); 67,021 (1900); 158,346 (1930)

Periods of population growth: pre-1790–2020

National Register listings: 58

Pre-1940 residences (estimated): 34,731 (19.2%)
Pre-1940 housing survival rate: 66.4%
Pre-1860 housing survival rate (1940): 20.6%

Housing in disrepair (1950): 3.1%

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Richmondtown (ex-seat)

Namesake: Richmond County

Founding: 1728 (platting)
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Outstanding Buildings

1. *Abraham Wood House (c. 1840). 5910 Amboy Road. Greek Revival.
2. *Ogden Edwards House (c. 1730/1845). 752 Delafield Avenue. Greek Revival.
3. *Poillon–Seguine House (c. 1695/1845/1930). 361 Great Kills Road. Razed in 1996.
4. *Clear Comfort / Johnson–Austin House (c. 1700/1750/1844). 2 Hylan Boulevard. Gothic Revival.
5. *Christopher Billopp House (c. 1675). 7455 Hylan Boulevard. Dutch Colonial.
6. *Caleb Ward House (1835). 141 Nixon Avenue. Greek Revival.
7. *Billiou–Stillwell House (c. 1662/1680). 1476 Richmond Road.
8. *David LaTourette House (1836). 1001 Richmond Hill Road. Greek Revival.
9. *John Neville House (c. 1770). 806 Richmond Terrace.
10. *Van Santvoord–Kreuzer–Pelton House (c. 1722/1770/1836). 1262 Richmond Terrace. Dutch Colonial.
11. *Joseph Seguine House (1838). 440 Seguine Avenue. Greek Revival.