Jackson County, Missouri

Founding: 1826 (declared in 1825)
Parent county: Lillard

Namesake: Andrew Jackson, U.S. president
Seat: Independence (1827–) and Kansas City

Land area: 604 square miles

Population (2020): 717,204

Population (historic): 2,823 (1830); 14,000 (1850); 65,011 (1870); 195,193 (1900); 470,454 (1930)

Periods of population growth: pre-1830–1970; 1980–2020

Subdivisions: 15 cities; three villages; one CDP; eight townships

National Register listings: 392

Pre-1940 residences (estimated): 64,544 (19.7%)
Pre-1940 housing survival rate: 34.3%
Pre-1860 housing survival rate (1940): 6.9%

Farm housing in disrepair (1950): 5%

Nonfarm housing in disrepair (1950): 6.1%

Average farmhouse value (1930): $2,203
Average outbuilding value (1930): $1,649
Average farmhouse size (1940): 5.1 rooms
Number of farms (1920): 3,345
Average farm size (1920): 76.9 acres
Sources of settlement: Missouri, Kentucky, Illinois, Ohio, New York, Pennsylvania, Virginia, and Tennessee
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Independence

Namesake: The concept of independence

Founding: 1827 (platting); 1827 (post office); 1849 (incorporation)

Population (2020): 123,011

Population (historic): 3,164 (1860); 3,146 (1880); 6,974 (1900); 15,296 (1930)

Periods of population growth: pre-1860; 1880–2020
Pre-1940 residences (estimated): 6,643 (12.6%)

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Kansas City

Namesake: Either the Kansas River or the Kanza (or Kaw) people

Founding: 1834 (platting as Westport Landing); 1846 (post office); 1850 (incorporation)

Population (2020): 508,090

Population (historic): 4,418 (1860); 55,785 (1880); 163,752 (1900); 399,746 (1930)

Periods of population growth: pre-1860–1970; 1990–2020
Pre-1940 residences (estimated): 55,583 (23.3%)

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Outstanding Buildings

1. Logan Swope House (c. 1920). 17510 Kentucky Road. Blue. Eclectic.
2. *Archibald Rice House (1844). 8801 East 66th Street. Brooking. Gothic Revival.
3. House (c. 1920). 7300 Lee's Summit Road. Brooking. Craftsman.
4. *Seth Ward House (1871). 1032 West 55th Street. Kaw. Italianate.
5. *Alexander Majors House (1856–1858). 8145 State Line Road. Kaw. Greek Revival.
6. *John Wornall House (1858). 6115 Wornall Road. Kaw. Greek Revival/Italianate.
7. *Longview / Robert Long Farm (1913–1914). 1200 Longview Park Drive. Prairie. Spanish Revival.
8. James Knorpp Farm (c. 1865). 28006 County Line Road. Van Buren. Italianate.