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Idaho Facts and Figures

Gleaned from the Historical Marker Database

 

on February 17, 2020

 
1876 artwork by Henry Mitchell, via Wikipedia Commons

 Idaho ranks 31st among states and provinces with markers in this database. Idaho is a state in the United States of America located in the American West. It is also in the Mountains region. Idaho is some 84 thousand square miles in size with a population of around 1.8 million people. The state is divided into 44 counties and all of them have entries in this database. In Idaho we have discovered historical markers in 193 cities and towns lying in 176 different ZIP Codes.

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How many historical markers are there in Idaho? There are least 1,062 of them, by our count. We have cataloged 1,061 historical markers and 17 war memorialsóeach individually presented on 1,086 illustrated, annotated, and searchable pages of the Historical Marker Database. In addition, we are reasonably certain of another historical marker in Idaho that we donít yet have, and instead show on our Want List. Our correspondents have been finding and adding hundreds of markers a month to the database from all over the world, so next time you visit this page you will probably find that the numbers here have changed.

The first Idaho marker in the database, Nez Perce War, was added January 9, 2008. It was photographed in Grangeville in Idaho County. The last one added was submitted on November 4, 2019, and titled Sub-Irrigation on Egin Bench. It is in Paker in Fremont County. Keeping in mind that the erection date of many markers in the database is not known, the earliest historical marker we know of in Idaho was erected in 1915. It was this one: Oregon Trail, and one of our correspondents found it in American Falls in Power County on October 2, 2018.

Idaho Historical Categories
338 • Settlements and Settlers
180 • Industry and Commerce
154 • Native Americans
153 • Roads and Vehicles
125 • Exploration
90 • Natural Features
79 • Railroads and Streetcars
74 • Waterways and Vessels
68 • Churches and Religion
56 • Notable Buildings
    ... and more ...

Idahoans donít want to forget their Settlements and Settlers history. How do we know? Because there are more historical markers in the database from Idaho about Settlements and Settlersó338 of themóthan about any other historical category. It is followed by Industry and Commerce with 180 markers.

The first marker added to the database with the Settlements and Settlers category was Lower Boise, added August 28, 2009. It had been erected in Notus in Canyon County. The last one submitted was submitted on October 18, 2019, and titled The Eimers Legacy. It had been erected in Grangeville in Idaho County. The earliest marker erected with the Settlements and Settlers category that we have listed was erected in 1920. It was Oregon Trail, found in Homedale in Owyhee County on August 13, 2017.

Counties, Cities and Towns

The Idaho county with the most historical markers listed in this database is Idaho County, with 87 of them. It is followed by Lemhi County with 74 markers. The Riggins area of Idaho County has the highest number of markers within its limits, 18. In Lemhi County the area with the most markers, 29, is Tendoy.

Historical Markers in These
Idaho Counties
87 • Idaho County
74 • Lemhi County
62 • Ada County
62 • Custer County
60 • Caribou County
60 • Shoshone County
54 • Nez Perce County
48 • Bear Lake County
43 • Twin Falls County
37 • Cassia County
    ... and more ...

Checking the database for the city or town in Idaho with the most markers we find Boise in Ada County at the top of the list with 61 markers in or near it. It is followed by Soda Springs in Caribou County with 41 markers. For the ZIP Code with the most markers itís 83278 at the top of the list with 44 markers in its delivery area. (ZIP Code 83278 is assigned to Stanley ID including the Bonanza, Lower Stanley, Redfish Lake, and Sunbeam delivery areas.) It is followed closely by ZIP Code 83276 with 41 markers. (83276 is assigned to Soda Springs ID.)

Historical Markers Near These
Idaho Cities and Towns
61 • Boise
41 • Soda Springs
39 • Avery
32 • Lewiston
30 • Montpelier
29 • Tendoy
27 • Arco
27 • Custer City (ghost town)
19 • Idaho City
19 • Lapwai
    ... and more ...

Getting back to Idaho County, the first marker added to the database from there, Nez Perce War, was added January 9, 2008, and was also the first one submitted in all of Idaho. in Grangeville. The last one submitted was uploaded on October 20, 2019, and is titled The Camas Prairie Mammoth, in Grangeville. The earliest marker erected in Idaho County that we have listed was erected in 1931. It was Seventeen Volunteers, found near Cottonwood on August 5, 2018.

Latest entry from Idaho. Click to go there
By Barry Swackhamer, August 12, 2019
Latest Entry from Idaho
“Sub-Irrigation on Egin Bench”

And finally the first, last, and oldest markers from Boise. The first: Oregon Trail, was added September 5, 2009. The last: The O'Farrell Cabin added on June 13, 2019. The earliest marker erected was erected in 1927: Bonneville Point, added on February 17, 2014.

Who Puts Up Historical Markers?

Idaho Department of Transportation is currently in charge of official historical markers found all over the state. They erected their first marker in 1956, and we have 285 of their markers in the database.

In addition, E Clampus Vitusónot government affiliatedóalso erected numerous historical markers in Idaho, and we have 152 of their Idaho markers in the database. Also, a number of counties have erected historical markers on their streets and roads and within their public areas, as have some cities and towns.

Latest entry from Idaho. Click to go there
By Barry Swackhamer, June 21, 2017
A Idaho Department of Transportation Historical Marker

Then there are federal government agencies that put up historical markers, especially in national parks and other areas under their jurisdiction. And finally, there are the numerous public and private organizations and individuals that erect markers. Some do this as a continual endeavor, and others once in a while, to mark something, someone, or someplace they find important or interesting. When one of our correspondents comes across one that satisfies our criteria, we add it to the database.

Off the Beaten Path

Youíll find that even the smallest, least populated, or most rural areas of Idaho have been marked with history. Check out Gem County, Clark County and Camas County. We've only found, respectively, 3, 3, and 1 historical markers there. Visiting one or more of these parts of Idaho might make for a pleasant road trip, and maybe youíll discover more historical markers while youíre there. If you do, perhaps youíll take the time to photograph them and, when you get home, become an HMdb correspondent by adding them to the database. Happy Hunting!

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