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State Reform Profile

Idaho

Idaho's prison population has grown rapidly. Recent justice reinvestment aims to reduce recidivism through treatment.

ALTREFORM COMPOSITE70/100

Key Statistics

Incarceration Rate
486
per 100,000 residents
Annual Cost
$23K
per incarcerated person
3-Year Recidivism
65%
reincarcerated within 3 yrs
Racial Disparity
2.2×
Black vs. White incarceration
Alt. Programs
16
active diversion programs
Reform Initiatives
4
tracked by AltReform

Incarceration by Race

ID Overall486
National Avg568
Black (est.)642
White (est.)328

Incarceration rate per 100,000 residents. Racial estimates based on BJS/Sentencing Project methodology.

Recidivism Rate

65%3-year recidivism
This stateNational avg: 67%

Percent of people reincarcerated within 3 years of release. Source: BJS recidivism data series.

Cost vs. Alternatives

$23K
incarceration/yr
vs.
~$5K
diversion/yr

Active & Passed Reforms

2 initiatives

Justice Reinvestment InitiativeView full details →

Data-driven approach to reduce recidivism and prison growth.

ActiveReentry2018
AltReform Score68/100

Drug Court ExpansionView full details →

Doubled drug court capacity to serve more people with addiction.

ActiveDrug Policy2020
AltReform Score72/100

Data Sources & Methodology

Reform data sourced from state legislative records, BJS Criminal Justice Statistics, the Vera Institute Incarceration Trends dataset, and The Sentencing Project. AltReform prediction scores (0,100) are generated by our ML model trained on 20+ years of state-level reform outcomes, weighting recidivism reduction, racial equity impact, cost-effectiveness, and political feasibility. Statistics are the most recent available (2021,2024).

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