Pike County, Illinois

Founding: 1821
Parent counties: Bond, Clark, and Madison

Namesake: Zebulon Pike, American explorer
Seat: Cole's Grove (1821–1824); Atlas (1824–1833); Pittsfield (1833–)

Land area: 831 square miles

Population (2020): 14,739

Population (historic): 2,396 (1830); 18,819 (1850); 30,768 (1870); 31,595 (1900); 24,357 (1930)

Periods of population growth: pre-1830–1880; 1890s; 1930s

Subdivisions: Three cities; 14 villages; one town; 24 townships

National Register listings: 14

Pre-1940 residences (estimated): 2,470 (30.9%)
Pre-1940 housing survival rate: 39.7%
Pre-1860 housing survival rate (1940): 10.2%

Farm housing in disrepair (1950): 15.1%

Nonfarm housing in disrepair (1950): 10.3%

Average farmhouse value (1930): $1,391
Average outbuilding value (1930): $1,176

Average farmhouse size (1940): 5.8 rooms
Number of farms (1920): 3,381
Average farm size (1920): 110.9 acres
Sources of settlement: Ohio, Missouri, Kentucky, Pennsylvania, Germany, Ireland, and Virginia
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Pittsfield

Namesake: Uncertain—likely Pittsfield, Massachusetts

Founding: 1833 (platting); 1869 (incorporation)

Population (2020): 4,206

Population (historic): 637 (1850); 1,621 (1870); 2,295 (1890); 2,095 (1910); 2,356 (1930)

Periods of population growth: pre-1850–1890; 1910–1970; 1980s; 2000s
Pre-1940 residences (estimated): 405 (20%)
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Outstanding Buildings

1. *Lyman Scott House (1844–1845/1870s). 19671 US Highway 54. Atlas. Gothic Revival.
2. John Millhizer House (c. 1875). 28082 State Route 96. Barry. Gothic Revival.
3. John Wade House (c. 1845). 45932 290th Road. Flint. Greek Revival.
4. *Thomas Dimmitt Farm (c. 1850). 45003 293rd Road. Griggsville. Greek Revival.
5. Robert Love Farm (c. 1865). 31486 410th Road. Griggsville. Italianate.
6. William Davis Farm (c. 1845). 27274 311th Road. Hadley. Greek Revival.
7. Almon Churchill Farm (c. 1870). 19818 State Route 96. Kinderhook. Italianate.
8. Carlton Smith Farm (c. 1875). 33721 State Route 96. Kinderhook. Italianate.
9. *William Myers House (c. 1835). Jimtown Hollow Road, west of 345th Road. Martinsburg. Razed.
10. John Battershell House (c. 1840). 48736 212th Road. Montezuma. Greek Revival.
11. *Edward French Farm (c. 1870). 20860 463rd Road. Montezuma. Italianate.
12. George Geisendorfer Farm (c. 1875). 22812 415th Road. Newburg. Italianate.
13. House (c. 1870). 1005 East Washington Street. Newburg. Italianate.
14. Ross Matthews House (c. 1905). 1501 East Washington Street. Newburg. Queen Anne.
15. Isaac Metz Farm (c. 1870). 378th Lane, east of 445th Road. Perry.
16. John Cleveland Farm (c. 1840). 104 North Williams Street. Perry. Greek Revival.
17. *John Franklin House (1895). 125th Road, west of 440th Road. Spring Creek.
18. *Robert Franklin House (1887). 125th Road, west of 440th Road. Spring Creek. Gothic Revival.