U.S. Federal Census Collection
Included data collections:
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1830 United States Federal Census
Updated!
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1880 United States Federal Census
Free Index Updated!
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1940 United States Federal Census
Free Index New!
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U.S. Enumeration District Maps and Descriptions, 1940
Free Index New!
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About this collection
The U.S. has taken a census of its population every ten years since 1790. The most recent census available to us at present is the 1940 census, due to a 72-year privacy restriction. While the questions in U.S. census records varied from year to year and in state censuses, from state to state, you can find information like names of other household members, ages, birthplaces, residence, occupation, immigration and citizenship details, marriage information, military service and more. The 1890 census was largely destroyed in a fire, but we have compiled a “substitute” with various other records to help bridge the gap.
Search Tips
- Census records can be rich with details about your ancestor. Be sure to look at each and every question that was asked and use the answers to locate more records. For example, the U.S. federal censuses for the years 1900-1930 include a date of immigration for immigrants. Use that date to narrow your search for your ancestor’s passenger arrival record in the Immigration Collection.
- Pinpoint your ancestor’s location from the census on a map, and then look for churches, cemeteries, and other places where your ancestor may have left records.
- Be sure to locate your ancestor’s adult siblings in census records. It was common for extended family to live in the same household or near other family members. You may find a parent, grandparent, or other family members living either with them or nearby.
- If you’re having a difficult time locating your ancestor, try searching using only given names and other details like birth year, residence, family members, place of birth, etc.
- Occasionally, census takers only recorded initials in place of the given name. Using only a first initial will bring up these records.
- Census takers didn’t always have the best penmanship, so if you’re having a hard time locating your ancestor, write out the name and try replacing some of the letters with letters that look similar.