Ada County’s population has surpassed half a million for the first time. It grew from 497,984 to 511,931 in 2021, according to new data in a report from the Census Bureau.

BOISE — After the Citizens Advisory Committee gave the Ada County Commission three ideas for potential future uses of the Expo Idaho site, the county asked the Urban Land Institute ...

Idaho drivers are now permitted to temporarily exceed the posted speed limit by up to 15 mph so they can pass a vehicle ...

The Ada County Highway District (ACHD) announced it secured $18.4 million in federal funding for the construction of several ...

BOISE — Ada County has helped create a new citizen ballot-verification system, which officials said may mark the first of its kind in the country.

During a hearing at the Ada County House on Wednesday, Bryan Kohberger pleaded guilty to killing four University of Idaho ...

ADA COUNTY, Idaho — 64% of Americans said they are very or somewhat confident in 2024 votes across the country being counted accurately. The data comes from a trio of bi-partisan groups, taking ...

Ada County Clerk Trent Tripple led the efforts, and Idaho’s Secretary of State Phil McGrane said it was Tripple’s “passion project,” one that is a helpful tool to increase transparency.

ADA COUNTY, Idaho — Ada County Judge Steven Hippler granted a change to the defense team of Bryan Kohberger, the man charged in the killings of four University of Idaho students. According to ...