It is our hope that you will find this site interesting and informative. As an elected official, I view myself as a steward of this esteemed office, and I am committed to upholding the sacred trust the citizens of Lake County Indiana have placed in me. We are all fortunate to be a part of a community that is strengthened by strong values and enriched through natural and cultural diversity.

Our mission at the Lake County Sheriff's Department is to enhance the quality of life in Lake County by serving and protecting our community through excellent law enforcement services. We are proud of the services we provide and equally proud of the confidence the public has in us and our capabilities. Together we will make a difference, and in so doing preserve the quality of life we all enjoy, not only for ourselves, but for future generations as well.



1/3/2020 - Lake County Sheriff Oscar Martinez Jr., will announce the appointment of the new Police Chief for the Lake County Police Department at a press conference at the Sheriffs Conference room at 2293 N. Main St. Crown Point IN 46307 Building J2 on Monday 01-06-19 at 11AM.


12/18/2019 - Lake County Sheriff Oscar Martinez, Jr. is pleased to announce that “oversight of the Lake County Jail by the U.S. Department of Justice (“DOJ”) will soon be coming to a close.”  A Joint Motion (attached) was filed today by the DOJ, the Lake County Sheriff and Lake County with U.S. District Court Judge Theresa Springmann to dismiss the lawsuit the DOJ filed in 2010 that resulted in a Settlement Agreement and ongoing DOJ oversight of the Lake County Jail.  Click for more info...




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