Custer County, Montana
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 18 listed properties in the county, first listed in 1978. Most listings are in or near Miles City, Ismay.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Montana is not yet loaded on this site. Browse Custer titles at the Library of Congress.
National Register of Historic Places
NPS NRHP9 of 18 listings mapped; some locations are restricted by NPS to protect sensitive sites.
18 listed properties
| Property | City | Listed |
|---|---|---|
| Carriage House Historic District | Miles City | 1991 |
| East Main Street Residential Historic District | Miles City | 1990 |
| Fort Keogh | Miles City | 1978 |
| Harmon, William, House | Miles City | 1986 |
| Holy Rosary Hospital | Miles City | 2009 |
| Ismay Jail | Ismay | 1997 |
| Locate Creek Bridge | Miles City | 2012 |
| Main Street Historic District | Miles City | 1989 |
| Miles City Steam Laundry | Miles City | 1979 |
| Miles City Waterworks Building and Pumping Plant Park | Miles City | 1979 |
| Miles, George M., House | Miles City | 1982 |
| Mountain States Telephone and Telegraph Company | Miles City | 1988 |
| Northern Pacific Railway Depot | Miles City | 2010 |
| Olive Hotel | Miles City | 1988 |
| Shore, Thomas and Beulah, House | Miles City | 2003 |
| Snell, Walrond and Elizabeth, House | Miles City | 2003 |
| US Post Office-Miles City Main | Miles City | 1986 |
| Ursuline Convent of the Sacred Heart | Miles City | 1992 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBCuster was formed in 1864 (1864-01-16) from unknown / original county.
BIG HORN (original, now CUSTER; renamed 16 Feb 1877) created by Idaho Territory from non-county area.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusCuster County population from 1870 to 2020 (Census historical series).
| 1870 | 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|---|
| 38 | 2,510 | 7,891 | 12,194 | 10,422 | 12,661 | 13,227 | 13,109 | 11,696 | 11,867 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS8 cemeteries and 8 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 8 of 8 listed
| Name |
|---|
| Calvary Cemetery |
| Cottonwood Cemetery |
| Custer County Cemetery |
| Fort Keogh Cemetery (historical) |
| Ismay Cemetery |
| Knowlton Cemetery |
| Pine Crest Cemetery |
| Pine Hills School Cemetery |
Historical populated places — 8 of 8
| Name |
|---|
| Cutler |
| Etna |
| Foundation |
| Hilcrest |
| Kimball |
| Moon Creek |
| Oneill |
| Sadie |
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 Custer County, Montana
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