IAGenWeb Project - Clayton co.

Clayton County Index

Clayton co. Census Index

(housekeeping done 09/25/2021)

Important Notes:
Not all of the census files are included in the Clayton co. search engine results.
Miscellaneous census files are listed at the bottom of this page.

All off-site pages will open in a new window.

1836 Wisconsin Territorial census

Transcribed by Lynn McCleary

A full transcription of the first census for the area that would become the state of Iowa. The settled areas at that time were within the 1832 Black Hawk Purchase and include, in whole or in part, Clayton, Buchanan, Cedar, Clinton, Davis, Delaware, Des Moines, Dubuque, Fayette, Henry, Jackson, Jefferson, Johnson, Jones, Lee, Linn, Louisa, Muscatine, Scott, Van Buren & Washington counties.

1836 census - Wisconsin Territorial counties of Dubuque & Des Moines

Note! This file is off-site and not searched by the Clayton co. search engine!

1838 Clayton Co., Wisconsin Territory
This is the first census taken of what would become Clayton co. Iowa

Transcribed by Chuck Bluhm

1838 Wisconsin Territory census

1840 Clayton County Federal Census

All of Clayton county (on-site)

1850 Clayton County Federal Census

Transcribed by volunteers

Schedule 8, Mortalities - see death records index

1852 Iowa State Special Census
Clayton County

Transcribed by Sharyl Ferrall

1854 Iowa State Special Census
Clayton County

Transcribed by Polly Eckles

All Clayton county townships

1856 Iowa Census, Clayton Co.
Composite Census Data for 1856

Transcribed by George Mills

Table 1 General demographics
Table 2 Industry/agriculture
Table 3 Agricultural statistics
Table 4a & 4b * Table 4c & 4d Professions of inhabitants
Table 5a & 5b * Table 5c & 5d Nativity of the inhabitants

1860 Clayton County Federal Census

Transcribed by volunteers

Buena Vista township
Cass township
Giard township
Grand Meadow township
Farmersburg township
pages: 122-129 * 130-137 * 138-144 * 145-151
Jefferson township
Lodomillo township
Mendon township
Millville township
Sperry township
Wagner township

1870 Clayton County Federal Census

Transcribed by volunteers

Enumerator's Instructions & Key to the columns
Boardman (partial) pages 139a-150b * 151a-157b
Cox Creek pages: 195a -207a
Farmersburg pages: 1-6 * 7-12 * 13-18 * 19-24 * 25-31
Lodomillo pages: 321a - 333b
Millville pages: 413a - 423b

1880 Clayton County Federal Census

Free to search at FamilySearch.org

1885 Iowa State Census

Transcribed by Todd Ehlers

Enumerator instructions & legend
Transcribers notes

Miscellaneous Census Data

1860 U.S. Census, Mary Ann (Singleton) Brown counted twice
Mallory Twp, Clayton County

1870, 1880 & 1900 U.S. Census, Poor Farm / County Home
Read twp., Clayton County

1895 Iowa State Census, College for the Blind
Vinton, Benton co. Iowa
Clayton county surnames: JONES, DUFF, MCCLELLAND

1895 Iowa State Census, St. Francis Convent
Children in St. Mary's Orphan Home, Dubuque, Dubuque co. Iowa
Clayton county surname: KOSSUTH

1895 Iowa State Census, Clayton county, Honor Roll
Persons 90 years of age & upward

Iowa State Census
Special Project of IAGenWeb



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