Idaho's 1st Congressional District
Idaho · ID-01
Idaho's 1st Congressional District is one of 2 U.S. House districts in Idaho, represented in Congress by Russ Fulcher (Republican). It is home to roughly 958,817 people, with a median age of 39. The population is about 80% White. The median household income is $76,647, and 30% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Republican (R+45).
Representative
Current U.S. House member (source: house.gov).
Geography
ID-01 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 39,812 square miles, ID-01 is the 19th-largest of the 435 congressional districts by land area. With about 24 residents per square mile, it is a predominantly rural district. Its shape is irregular: the district's Polsby-Popper score of 0.20 ranks 318th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 26% of ID-01 voters backed Kamala Harris and 71% Donald Trump — a R+45 margin. That is a 7.0-point shift toward the Republicans from 2020, when the district voted R+38.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 39 years old; 24.1% of residents are under 18 and 18% are 65 or older. About 4.8% of residents were born outside the United States, and 9.1% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $76,647, the district's median household income ranks 220th of 435 districts nationwide. The typical owner-occupied home is worth $403,019, and the median rent is $1,221 a month. 9.8% of residents live below the poverty line, and workers average a 24.7-minute commute (13.1% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).