Idaho Trivia Questions

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Idaho was admitted to the Union on July 3, 1890. Where does it fall in the order of states?

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Unofficial practice questions, not affiliated with any school, exam board or quiz show. Bank checked October 3, 2026.

How it works

These Idaho trivia questions begin with the name itself, which Congress first considered for Colorado, and go on to trappers, a river of no return and a part-time legislature.

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Idaho trivia questions and answers: where to begin

Open with A coined name and a new territory: its story of the word Idaho surprises most tables. First peoples, trappers and towns and Rivers, peaks and valleys are the harder middle, and Farms, schools and the statehouse closes on potatoes, trout and gemstones.

How a set runs

Pick one of four choices and the card shows which is right, with a line of reason and a link to the article. It deals ten at a time; after a set, Topic under More options limits it to a single round.

Questions and answers

How were the answers checked?

On October 3, 2026 each answer was read in the Wikipedia article Idaho, which every question links. That article is shorter than most, so this pack is too. Temperature records, films set in the state and its politics were left out.

What are some easy Idaho trivia questions?

How many states border Idaho? Which trail crossed the Snake River Plain? What share of the nation's potatoes grows in the state? The answers are six, the Oregon Trail and about one-third.

Where does the name Idaho come from?

Nobody is sure. Congress believed it was a Shoshone term for gem of the mountains, then decided it was quite possibly made up. A politician later claimed he had coined it.

When did Idaho become a state?

On July 3, 1890, as the 43rd state. It had been a territory since 1863, with its capital first at Lewiston and then at Boise.

All 46 questions with answers

A coined name and a new territory 11

  • Before 1863 parts of present-day Idaho lay in three territories: Oregon, Washington and which other? Answer: Dakota. Source: Wikipedia: Idaho
  • Boise took over as territorial capital from which older town? Answer: Lewiston. Source: Wikipedia: Idaho
  • Congress nearly gave the name Idaho to a new territory around Pikes Peak in 1861. Which name did that territory get instead? Answer: Colorado. Source: Wikipedia: Idaho
  • George M. Willing later claimed that he had coined the name Idaho. Who did he say inspired it? Answer: A little girl named Ida. Source: Wikipedia: Idaho
  • Idaho County was created in Washington Territory the year Congress created Colorado Territory. What was the county named after? Answer: A steamship. Source: Wikipedia: Idaho
  • Idaho still operates under its original state constitution. In which year was it written? Answer: 1889. Source: Wikipedia: Idaho
  • The Idaho Territory of 1863 took in present-day Idaho, Montana and most of which other state? Answer: Wyoming. Source: Wikipedia: Idaho
  • Idaho was admitted to the Union on July 3, 1890. Where does it fall in the order of states? Answer: 43rd. Source: Wikipedia: Idaho
  • Members of Congress in the early 1860s believed the name Idaho came from a Shoshone term. What was it said to mean? Answer: Gem of the mountains. Source: Wikipedia: Idaho
  • When Idaho Territory was formed in 1863, which name did it nearly receive? Answer: Montana. Source: Wikipedia: Idaho
  • Which Colorado town had already taken the name Idaho before Congress dropped it in 1861? Answer: Idaho Springs. Source: Wikipedia: Idaho

First peoples, trappers and towns 11

  • A bushel of Idaho potatoes sold for $1.51 in 1919. About how much did it bring in 1932, in the Great Depression? Answer: Ten cents. Source: Wikipedia: Idaho
  • Arrowheads found in 1959 in which cave near Twin Falls rank among the oldest dated artifacts in North America? Answer: Wilson Butte Cave. Source: Wikipedia: Idaho
  • Finds reported in 2019 at Cooper's Ferry, in western Idaho, suggest that the first people reached the region by which route? Answer: By water, down the Pacific coast. Source: Wikipedia: Idaho
  • The first non-indigenous settlement in Idaho, a fur-trading house of 1809, stood on the shore of which lake? Answer: Lake Pend Oreille. Source: Wikipedia: Idaho
  • Lewis and Clark crossed Idaho in 1805 and again in 1806. Which river did they largely follow in both directions? Answer: The Clearwater. Source: Wikipedia: Idaho
  • Lewiston was the first permanent, substantial incorporated community in Idaho. From which year does it date? Answer: 1861. Source: Wikipedia: Idaho
  • Place names such as Boisé, Payette and Cœur d'Alène were left in Idaho by trappers of which background? Answer: French-Canadian. Source: Wikipedia: Idaho
  • Which American novelist was drawn to the wilderness of Idaho, as campers and anglers still are? Answer: Ernest Hemingway. Source: Wikipedia: Idaho
  • Which fur trader of the North West Company established Kullyspell House in 1809? Answer: David Thompson. Source: Wikipedia: Idaho
  • Which people were predominant in the north of what is now Idaho? Answer: The Nez Percé. Source: Wikipedia: Idaho
  • Who established the first organized non-indigenous communities within the present borders of Idaho, in 1860? Answer: Mormon pioneers. Source: Wikipedia: Idaho

Rivers, peaks and valleys 13

  • Idaho touches one Canadian province and how many states? Answer: Six. Source: Wikipedia: Idaho
  • The lowest point in Idaho is at Lewiston, where the Clearwater joins which river? Answer: The Snake. Source: Wikipedia: Idaho
  • Moist air from the coast, falling as rain and snow over the Panhandle, creates which unusual kind of forest? Answer: An inland temperate rainforest. Source: Wikipedia: Idaho
  • The Salmon-Challis National Forest lies in a belt named for large deposits of which metal? Answer: Cobalt. Source: Wikipedia: Idaho
  • The Snake River Plain gave an easy way through the Rockies to settlers bound west on which trail? Answer: The Oregon Trail. Source: Wikipedia: Idaho
  • What is the central part of the Snake River Plain known as? Answer: The Magic Valley. Source: Wikipedia: Idaho
  • What is the western end of the Snake River Plain, between the Owyhee and Boise mountains, known as? Answer: The Treasure Valley. Source: Wikipedia: Idaho
  • Which federal agency holds about 38 percent of the land of Idaho? Answer: The Forest Service. Source: Wikipedia: Idaho
  • Which Idaho wilderness is the largest contiguous area of protected wilderness in the continental United States? Answer: The Frank Church-River of No Return. Source: Wikipedia: Idaho
  • Which mountain in the Lost River Range is the highest point in Idaho? Answer: Borah Peak. Source: Wikipedia: Idaho
  • Which range is often considered the most famous mountain range in Idaho? Answer: The Sawtooth Range. Source: Wikipedia: Idaho
  • Which river roughly marks the line between the two time zones of Idaho? Answer: The Salmon River. Source: Wikipedia: Idaho
  • Which time does the Idaho Panhandle keep, unlike the south of the state? Answer: Pacific Time. Source: Wikipedia: Idaho

Farms, schools and the statehouse 11

  • About half of the electric generating capacity of Idaho comes from which source? Answer: Hydroelectric plants. Source: Wikipedia: Idaho
  • About what share of the nation's potatoes is grown in Idaho? Answer: About one-third. Source: Wikipedia: Idaho
  • Because the Idaho legislature is part-time, its members are considered what? Answer: Citizen legislators. Source: Wikipedia: Idaho
  • Besides potatoes, lentils and winter peas, Idaho is a leading national producer of which fish? Answer: Trout. Source: Wikipedia: Idaho
  • Boise State University became a university in 1974. As what did it open in 1932? Answer: A junior college. Source: Wikipedia: Idaho
  • Each of the 35 legislative districts of Idaho elects one senator and how many representatives? Answer: Two. Source: Wikipedia: Idaho
  • Idaho State University opened in Pocatello in 1901 under which name? Answer: The Academy of Idaho. Source: Wikipedia: Idaho
  • In which city is the University of Idaho, the first university in the state? Answer: Moscow. Source: Wikipedia: Idaho
  • The nickname Gem State is tied to the number of kinds of precious and semi-precious stones produced in Idaho. How many? Answer: Seventy-two. Source: Wikipedia: Idaho
  • The passenger train that crosses northern Idaho makes its only stop in the state at which town? Answer: Sandpoint. Source: Wikipedia: Idaho
  • Which elected state office of Idaho, last contested in 1966, was done away with in 1974? Answer: Inspector of Mines. Source: Wikipedia: Idaho
How this list was compiled

Written for this site; nothing was copied from another list. Every answer was read on October 3, 2026 in the English Wikipedia article Idaho (text under the Creative Commons Attribution-ShareAlike 4.0 license), which is linked beside each question; the questions, wrong choices and explanations are in our own words. Left out on purpose: population figures and ranks, current office-holders, living people, sports teams and leagues, companies and brands, and weather records. Levels are our estimate: easy is fair for any table, medium suits people who know the state, hard will stump most tables. Licence: own work