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Illinois Genealogy Resources

Chicago and Cook County

Census Information

• Chicago Street Name Changes.

• Converting 1920 Chicago Census EDs to 1930 Census Eds  This page lets you obtain an Enumeration District (ED) for an address in selected large cities in the 1920 US census if you know the ED for that address in the 1930 census, and vice versa.

• Cook County Census Records.  US GenWeb Cook County, Illinois

• Cook County, Illinois Federal Census Index. US GenWeb Illinois

• Cook County, Illinois Census Records. Census Online.

• Hayner, Don and Tom McNamee. Streetwise Chicago: A History of Chicago Street Names. Chicago: Loyola University Press, 1988.

•  Illinois State Archives Research Series Pamphlet No. 5: State Census Records

• A Look at Cook. Maps and Boundary Descriptions for Wards, Townships, and Enumeration Districts.

•  A Look at the Census for Cook County, Illinois. A Look at Cook County.
   

• 1909 Street Re-numbering Guide for Chicago.

• 1911 Chicago Loop Street Numbering Changes

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1840

• 1840 United States Federal Census  Cook County.   Ancestry.com subscription product.
   
• M704-57: Illinois  Coles, Cook, and Crawford Counties.  Sources2go.com.
   

1850

• 1850 United States Federal Census  Cook County.  Ancestry.com subscription product.
   
• M432-102: Illinois  City of Chicago.  Sources2go.com.
   
• M432-103: Illinois  Cook County (excluding the city of Chicago).  Sources2go.com.
   
• North-east Illinois genealogical source materials  South Cook County 1850 census, eight townships combined.  Ancestry.com subscription product.
   

1860

• 1860 United States Federal Census  Cook County.  Ancestry.com subscription product.
   
• M653-164: Illinois  City of Chicago, Wards 1-2.  Sources2go.com.
   
• M653-165: Illinois  City of Chicago, Wards 3-4.  Sources2go.com.
   
• M653-166: Illinois  City of Chicago, Wards 5-6  Sources2go.com.
   
• M653-167: Illinois  City of Chicago, Ward 7.  Sources2go.com.
   
• M653-168: Illinois  City of Chicago, Wards 8-10.  Sources2go.com.
   
• M653-169: Illinois  Cook County, excluding the city of Chicago. Sources2go.com.
   
• M653-170: Illinois  Cook County, excluding the city of Chicago. Sources2go.com.
   

1870

• 1870 Census Index "R" surnames.   RootsWeb.
   
• 1870 United States Federal Census  Cook County.   Ancestry.com subscription product.
   
• Chicago Ward Boundaries.  A Look at Cook.
   
• Chicago Ward Boundary Map.  A Look at Cook.
   

1880

• 1880 Cook County Guide  Maps and descriptions to wards, enumerations districts, and township. A Look at Cook.
   
• 1880 United States Federal Census.  Ancestry.com subscription product.
   
• Census Search  Cook County.  Family History Library.
   

1900

• 1900 Chicago Guide.  Maps and descriptions to wards and enumeration districts.  A Look at Cook.
   
• 1900 United States Federal Census.  Cook County.   Ancestry.com subscription product.
   

1910

• 1910 Cook County Guide  Maps and descriptions to wards, enumerations districts, and township.  A Look at Cook.
   
• 1910 United States Federal Census  Cook County   Ancestry.com subscription product.
   

1920

• 1920 Cook County Guide  Maps and descriptions to wards, enumerations districts, and township.  A Look at Cook.
   
• 1920 United States Federal Census  Cook County..  Ancestry.com subscription product.
   

1930

• 1930 Census of Merchant Seaman  Ancestry.com subscription product.
   
• 1930 Cook County Guide  Maps and descriptions to wards, enumerations districts, and township.  A Look at Cook
   
• 1930 United States Federal Census.  Ancestry.com subscription product.