Plymouth County, Iowa
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 12 listed properties in the county, first listed in 1976; 1 is also National Historic Landmark. Most listings are in or near Le Mars, Westfield, Akron.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Iowa is not yet loaded on this site. Browse Plymouth titles at the Library of Congress.
National Register of Historic Places
NPS NRHP6 of 12 listings mapped; some locations are restricted by NPS to protect sensitive sites.
12 listed properties
| Property | City | Listed |
|---|---|---|
| Akron Opera House | Akron | 2012 |
| Foster Park Historic District | Le Mars | 2008 |
| Kimball Village | Westfield | 2010 |
| Kimball Village Site NHL | Westfield | |
| Le Mars Central High School | Le Mars | 1999 |
| Le Mars Downtown Commercial Historic District | Le Mars | 2012 |
| Le Mars Municipal Park and Golf Course Historic District | Le Mars | 2001 |
| Le Mars Public Library | Le Mars | 1979 |
| Plymouth County Courthouse | Le Mars | 1981 |
| Sacred Heart Hospital | LeMars | 2010 |
| St. George's Episcopal Church | Le Mars | 1976 |
| Tonsfeldt Round Barn | Le Mars | 1986 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBPlymouth was formed in 1851 (1851-01-15) from unknown / original county.
PLYMOUTH created from Non-County Area 9 attached to POLK.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusPlymouth County population from 1860 to 2020 (Census historical series).
| 1860 | 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|---|
| 148 | 8,566 | 22,209 | 23,584 | 23,502 | 23,252 | 23,906 | 24,743 | 24,849 | 25,698 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS37 cemeteries and 2 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 37 of 37 listed
| Name |
|---|
| Assumption Catholic Cemetery |
| Calvary Cemetery |
| Christ Lutheran Cemetery |
| Church of the Brethren Cemetery |
| Elkhorn Cemetery |
| Floyd Valley Cemetery |
| Hancock Township Cemetery |
| Hillside Cemetery |
| Hungerford Cemetery |
| Kingsley Cemetery |
| Liberty Perry Cemetery |
| Lincoln Cemetery |
| Mathwig Cemetery |
| Memorial Cemetery |
| Mills Family Cemetery |
| Pleasant Hill Cemetery |
| Pleasant Valley Cemetery |
| Plymouth Presbyterian Cemetery |
| Remsen Cemetery |
| Resthaven Cemetery |
| Riverside Cemetery |
| Saint Catherines Cemetery |
| Saint Johns Cemetery |
| Saint Johns Lutheran Cemetery |
| Saint Joseph Cemetery |
| Saint Joseph Cemetery |
| Saint Joseph Cemetery |
| Saint Mary's Cemetery |
| Saint Michaels Cemetery |
| Saint Patricks Cemetery |
| Saint Pauls Lutheran Cemetery |
| Saint Peters Cemetery |
| Seney Cemetery |
| Stanton Cemetery |
| Trinity Lutheran Cemetery |
| Union Cemetery |
| Westfield Township Cemetery |
Historical populated places — 2 of 2
| Name |
|---|
| Brookdale |
| Plymouth |
Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.
Historical markers
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Search HMdb for Plymouth County, Iowa
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