Mercer County, Missouri
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 2 listed properties in the county, first listed in 1995. Most listings are in or near Princeton.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Missouri is not yet loaded on this site. Browse Mercer titles at the Library of Congress.
National Register of Historic Places
NPS NRHP1 of 2 listings mapped; some locations are restricted by NPS to protect sensitive sites.
2 listed properties
| Property | City | Listed |
|---|---|---|
| Casteel, Herbert Cain and Corah Brantley, House | Princeton | 1995 |
| Leo Ellis Post #22, American Legion Building | Princeton | 1996 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBMercer was formed in 1843 (1843-02-22) from MERCER not fully organized, attached to GRUNDY "for civil, military purposes.
MERCER created from Non-County Area 18, MERCER not fully organized, attached to GRUNDY "for civil and military purposes." Non-County Area 18 eliminated.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusMercer County population from 1850 to 2020 (Census historical series).
| 1850 | 1860 | 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2,691 | 9,300 | 14,673 | 14,706 | 11,281 | 8,766 | 7,235 | 5,750 | 4,685 | 3,757 | 3,538 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS38 cemeteries and 2 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 38 of 38 listed
| Name |
|---|
| Alley Cemetery |
| Anderson Cemetery |
| Barnes Cemetery |
| Brantley Cemetery |
| Collings Cemetery |
| Coon Cemetery |
| Duree Cemetery |
| Early Cemetery |
| Eastin Cemetery |
| Fairview Cemetery |
| Fogleman Cemetery |
| Girdner Cemetery |
| Goshen Cemetery |
| Groff Cemetery |
| Half Rock Cemetery |
| Hollars Cemetery |
| Laughlin Cemetery |
| Lowry Snyder Cemetery |
| McKinney Cemetery |
| Middle Point Cemetery |
| Middleberry Cemetery |
| Moore Cemetery |
| Old Union Cemetery |
| Pine Cemetery |
| Pleasant Hill Cemetery |
| Pleasant Ridge Church Cemetery |
| Prairie Ridge Cemetery |
| Princeton Cemetery |
| Ravanna Cemetery |
| Salem Cemetery |
| South Cemetery |
| South Lineville Cemetery |
| Underwood Cemetery |
| Weesner Cemetery |
| White Oak Cemetery |
| White Oak Cemetery |
| Wilder Cemetery |
| Yingling Cemetery |
Historical populated places — 2 of 2
| Name |
|---|
| Alvord |
| Ilia |
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 Mercer County, Missouri
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