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Kentucky has an incarceration rate of 930 per 100,000 people (including prisons, jails, immigration detention, and juvenile justice facilities), meaning that it locks up a higher percentage of its people than any democracy on earth. Read on to learn more about who is incarcerated in Kentucky and why.

37,000 people from Kentucky are behind bars

Additionally, the number of people impacted by county and city jails in Kentucky is much larger than the graph above would suggest, because people cycle through local jails relatively quickly. Each year, at least 89,000 different people are booked into local jails in Kentucky.

Rates of imprisonment have grown dramatically in the last 40 years

More than third of the people held in jails in Kentucky are held for federal or state agencies, primarily the state prison system. To avoid counting them twice, this population is not included in the yellow jails line. For annual counts of people in jails held for federal or state authorizes in Kentucky, see our table "Jail and prison incarcerated populations by state over time." Also see these Kentucky graphs:

• total numbers rather than rates.
• Women’s prisons: Incarceration Rates | Total Population
• Men’s prisons: Incarceration Rates | Total Population

This graph excludes people held for state or federal authorities from the total count of people held in Kentucky jails. Because a tremendous proportion (43%) of the population in Kentucky’s jails is held for the state prison system, this graph likely overstates the convicted population and understates the pre-trial population.

Today, Kentucky’s incarceration rates stand out internationally

In the U.S., incarceration extends beyond prisons and local jails to include other systems of confinement. The U.S. and state incarceration rates in this graph include people held by these other parts of the justice system, so they may be slightly higher than the commonly reported incarceration rates that only include prisons and jails. Details on the data are available in States of Incarceration: The Global Context. We also have a version of this graph focusing on the incarceration of women.

People of color are overrepresented in prisons and jails

See also our detailed graphs about Whites, Hispanics, and Blacks in Kentucky prisons and jails.

These graphs use U.S. Census data for all people incarcerated in the state, including people in federal and state prisons, local jails, halfway houses, etc. While state and local facilities contain people processed by the Kentucky judicial systems, the federal prisons contain people sent to those facilities by courts all over the country.

For our purposes, the fact that federal prison populations are included in the Census Bureau's data as residents of Kentucky would be an unimportant statistical quirk except for that fact that there are so many people in federal prisons in Kentucky. In fact, 20% of the incarcerated people that the Census counted in Kentucky were in a federal prison. This has a dramatic impact of the demographics of the incarcerated population. If the Census Bureau's federal prison counts were removed from this analysis, the incarceration rates would be 628 for Whites, 625 for Hispanics, 2397 for Blacks, and 1023 for American Indian and Alaska Natives.

Kentucky's criminal justice system is more than just its prisons and jails

The high cost of being incarcerated in Kentucky

Prisons and jails in Kentucky are increasingly shifting the cost of incarceration to people behind bars and their families, hiding the true economic costs of mass incarceration:

• Jails in Kentucky charge up to $3.15 for a 15-minute phone call, reaping profits for companies, while prisons charge $2.10 for a 15-minute call.
• Kentucky suspended its $3 medical copays in prisons at the beginning of the pandemic for flu related medical visits — but should eliminate them entirely
• Kentucky prisons and Access Corrections don’t report data on fees to transfer money to an incarcerated loved one.
• People in Kentucky prisons with less than $5 in their commissary and media accounts combined receive postage and writing supplies but must pay for basic hygiene products
• People in Kentucky prisons earn as little as 13¢ an hour for their work.
• Kentucky charges up to 44¢ for an e-message to or from prison, among the highest rates in the nation.

Our other articles about Kentucky

• Some Kentucky prisons are replacing incarcerated people's personal mail with scans, stifling family contact
• Kentucky prisons release about 19,580 people every year
• How the end of Roe v. Wade will impact the 17,720 women on probation and parole in Kentucky
• Some prisons in Kentucky are sited on uninhabitable, toxic wastelands
• Cruel and unusual punishment: When Kentucky prisons don't provide air conditioning
• Kentucky hurts jury diversity by excluding people with felony records
• We graded the parole release systems of all 50 states - Kentucky gets an F
• Who's helping the 107,966 women released from Kentucky correctional facilities each year?
• Ending prison gerrymandering in Kentucky campaign and resource page

Data on COVID-19 in Kentucky jails and prisons

We gave Kentucky a failing grade in September 2021 for its response to the coronavirus in prisons, noting that:

• Kentucky is one of 13 states that did not explicitly mention incarcerated people in their vaccination rollout plan.
• Kentucky failed to utilize one of the most obvious, and easiest, tools for reducing the prison population — stopping prison admissions for technical violations of probation and parole (which are not crimes).

For more detail, see our report States of Emergency. Or check out these other resources:

• How many COVID-19 cases in Kentucky communities can be linked to outbreaks in correctional facilities? (data from our report Mass Incarceration, COVID-19, and Community Spread)

Other resources

• Research on Kentucky in our Research Library