Union County, Iowa Genealogy
- 1 County Courthouse
- 2 History
- 3 Places/Localities
- 4 Resources
- 5 Societies and Libraries
- 6 Web Sites
- 7 References
1851--Union County was created 15 January 1851 from Pottawattamie County and from non-county area which, in 1846, was in Clarke County until that county's boundaries changed in 1847 (shrinking along with neighboring Lucas County). County seat: Creston 
1893 -- Courthouse burned and many records were damaged.
For further information on researching in burned counties, see the following:
- Burned Counties Research in FamilySearch Wiki
- Michael John Neill, Burned Counties in Family History Circle
David Rumsey Map Collection is a large online collection of rare, old, antique historical atlases, globes, maps, charts plus other cartographic treasures. This Collection features the city of Creston.
Early migration routes to and from Union County, Iowa Genealogy for European settlers included:
Societies and Libraries
- FamilyHistory101.com: "Iowa County Formation Maps"; interactive map of county formation and organization. Online at http://www.familyhistory101.com/maps/ia_cf.html
- The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
- National Park Service, "Auto Tour Route Maps" in Mormon Pioneer National Historic Trail at http://www.nps.gov/mopi/planyourvisit/maps.htm (accessed 18 July 2011).