Collier County, Florida

Founding: 1923
Parent county: Lee

Namesake: Barron Collier, Florida land developer
Seat: Everglades City (1923–1962); Naples (1962–)

Land area: 1,998 square miles

Population (2020): 375,752

Population (historic): 2,883 (1930); 5,102 (1940)

Periods of population growth: pre-1930–2020

Subdivisions: Three cities; 15 CDPs

National Register listings: 20

Pre-1940 residences (estimated): 542 (0.3%)
Pre-1940 housing survival rate: 31.6%

Farm housing in disrepair (1950): 14.2%

Nonfarm housing in disrepair (1950): 27.1%

Average farmhouse value (1930): $729
Average outbuilding value (1930): $337
Average farmhouse size (1940): 2 rooms
Number of farms (1930): 32
Average farm size (1930): 93.8 acres
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Naples

Namesake: Naples, Italy

Founding: 1886 (platting); 1888 (post office); 1925 (incorporation)

Population (2020): 19,115

Population (historic): 391 (1930); 1,253 (1940)

Periods of population growth: pre-1930–2000
Pre-1940 residences (estimated): 143 (0.7%)
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Outstanding Buildings

1. *John Horr House Ruins (c. 1877). Blue Hill Creek Drive, near Highland Point.