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Jefferson County, Idaho

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

—newspaper titles

—digitized titles

6historic places

—earliest paper

1913formed

30,891pop. 2020

4cemeteries

—CW battlefields

At a glance

Summary

The National Register of Historic Places includes 6 listed properties in the county, first listed in 1978. Most listings are in or near Ririe, Roberts, Rigby.

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 Jefferson titles at the Library of Congress.

National Register of Historic Places

NPS NRHP

5 of 6 listings mapped; some locations are restricted by NPS to protect sensitive sites.

6 listed properties

Property	City	Type	Listed
Hotel Patrie	Roberts	Building	1978
Jefferson County Courthouse	Rigby	Building	1987
Ririe A Pegram Truss Railroad Bridge	Ririe	Structure	1997
Ririe B Pegram Truss Railroad Bridge	Ririe	Structure	1997
Ririe Community Hall	Ririe	Building	2019
Scott, Josiah, House	Annis	Building	1982

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

County formation

Newberry AHCB

Jefferson was formed in 1913 (1913-11-04) from Fremont.

JEFFERSON created from FREMONT.

Source: Newberry Library, Atlas of Historical County Boundaries.

Population by decade

Census

Jefferson County population from 1920 to 2020 (Census historical series).

1920	1940	1950	1960	1980	2000	2020
9,441	10,762	10,495	11,672	15,304	19,155	30,891

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

4 cemeteries and 1 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.

Cemeteries — 4 of 4 listed

Name	Lat	Lon
Annis Little Butte Cemetery	43.72592	-111.94136
Central Cemetery	43.6491	-112.04219
Lewisville Cemetery	43.68337	-112.02933
Rigby Pioneer Cemetery	43.67119	-111.89699

Historical populated places — 1 of 1

Name	Lat	Lon
Level	43.89574	-112.49193

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 Jefferson County, Idaho

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