Frontier Settlement Maps

Illinois Maps
• Change in Population Density by County, 1820 vs. 1830
• Change in Population Density by County, 1830 vs. 1840
• Change in Population Density by County, 1840 vs. 1850
• Change in Population Density by County, 1850 vs. 1860
• Guide to Illinois County Names, 1820
• Guide to Illinois County Names, 1830
• Guide to Illinois County Names, 1840
• Guide to Illinois County Names, 1850
• Guide to Illinois County Names, 1860

United States in 1840:
• Total Population density by County

United States in 1850:
• Value of Farms in County (per Square Mile)
• Total Population Density by County

United States in 1860:
• Value of Farms in County (per Square Mile)
• Total Population Density by County