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Canyon County, Idaho

Historic newspapers, landmarks, and county history layers for genealogists and local historians.

—newspaper titles

—digitized titles

45historic places

—earliest paper

1892formed

231,105pop. 2020

10cemeteries

—CW battlefields

At a glance

Summary

The National Register of Historic Places includes 45 listed properties in the county, first listed in 1972. Most listings are in or near Nampa, Caldwell, Parma.

Summary generated automatically from the source data on this page.

Newspapers

Library of Congress

Newspaper directory data for Idaho is not yet loaded on this site. Browse Canyon titles at the Library of Congress.

National Register of Historic Places

NPS NRHP

34 of 45 listings mapped; some locations are restricted by NPS to protect sensitive sites.

45 listed properties

Property	City	Type	Listed
Beale, F. F., House	Caldwell	Building	1993
Blatchley Hall	Caldwell	Building	1978
Boise River and Canal Bridge	Caldwell	Structure	2007
Caldwell Carnegie Library	Caldwell	Building	1979
Caldwell Historic District	Caldwell	District	1982
Caldwell Odd Fellow Home for the Aged	Caldwell	Building	1982
Caldwell Residential Historic District	Caldwell	Building	2002
Dewey, E. H., Stores	Nampa	Building	1982
Dorman, Henry W. and Ida Frost, House	Caldwell	Building	2000
Farmers and Merchants Bank	Nampa	Building	1976
Fort Boise and Riverside Ferry Sites	Parma	Site	1974
Horse Barn	Nampa	Building	1978
Houlder, Ellen, Farm	Wilder	Building	1994
Idaho State Sanitarium Administration Building	Nampa	Building	1982
Little, Thomas K., House	Caldwell	Building	1980
Lockman, Jacob P. House	Nampa	Building	2005
Map Rock Petroglyphs Historic District	Givens Springs	District	1982
Melba I.O.OF. Lodge Hall	Melba	Building	2024
Mercy Hospital	Nampa	Building	2014
Middleton Substation	Middleton	Building	1973
Nampa American Legion Chateau	Nampa	Building	1982
Nampa City Hall	Nampa	Building	1985
Nampa Department Store	Nampa	Building	1982
Nampa Depot	Nampa	Building	1972
Nampa First Methodist Episcopal Church	Nampa	Building	1982
Nampa Historic District	Nampa	District	1983
Nampa Neighborhood Historic District, Old	Nampa	District	2007
Nampa Presbyterian Church	Nampa	Building	1982
Nampa Valley Grange No.131	Nampa	Building	2013
Nampa and Meridian Irrigation District Office	Nampa	Building	1982
North Caldwell Historic District	Caldwell	District	1979
Obendorf, George, Gothic Arch Truss Barn	Wilder	Building	1999
Peckham Barn	Wilder	Building	1982
Rice, John C., House	Caldwell	Building	1980
Roswell Grade School	Roswell	Building	1982
Sacred Hearts of Jesus and Mary Church	Parma	Building	1982
St. Mary's Catholic Church	Caldwell	Building	1982
St. Paul's Rectory and Sisters' House	Nampa	Building	1982
Sterry Hall	Caldwell	Building	1978
Steunenberg, A. K., House	Caldwell	Building	1982
Stewart, A. H., House	Parma	Building	1979
Strahorn, Carrie Adell, Memorial Library	Caldwell	Building	1982
US Post Office-Caldwell Main	Caldwell	Building	1989
US Post Office-Nampa Main	Nampa	Building	1989
Wiley, Orton H., House	Nampa	Building	1986

Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.

County formation

Newberry AHCB

Canyon was formed in 1892 (1892-11-26) from Ada.

CANYON created from ADA.

Source: Newberry Library, Atlas of Historical County Boundaries.

Population by decade

Census

Canyon County population from 1900 to 2020 (Census historical series).

1900	1920	1940	1950	1960	1980	2000	2020
7,497	26,932	40,987	53,597	57,662	83,756	131,441	231,105

Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.

Cemeteries & historical places

USGS GNIS

10 cemeteries and 2 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.

Cemeteries — 10 of 10 listed

Name	Lat	Lon
Canyon Hill Cemetery	43.68932	-116.67624
Fargo Cemetery	43.64988	-116.93236
Hillcrest Memorial Gardens	43.60357	-116.67012
Lower Boise Cemetery	43.75985	-116.88456
Melba Cemetery	43.37146	-116.53997
Mount Calvary Cemetery	43.54792	-116.55214
Parma Cemetery	43.79162	-116.95214
Pleasant Ridge Cemetery	43.65452	-116.78376
Roswell Cemetery	43.74333	-116.97111
Wilder Cemetery	43.66786	-116.92317

Historical populated places — 2 of 2

Name	Lat	Lon
Bugtown	43.65933	-116.67486
Fort Boise	43.82905	-117.01321

Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.

Historical markers

HMdb link

Marker text and photos from the Historical Marker Database (HMdb) are not embedded here. HMdb allows non-commercial reuse with attribution, but commercial/compensated use needs written permission; this is a commercial site, so we only link out.

Search HMdb for Canyon County, Idaho

Terms: hmdb.org/copyright.asp. Linking is encouraged by HMdb.