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Law Enforcement Agencies in Texas — Complete Directory

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TL;DR
Texas law enforcement directory: municipal police, county sheriffs, Texas DPS, Texas Rangers, federal agencies. Jurisdiction overview.
Quick Answer
Municipal police departments
Texas has approximately 1,200+ municipal police departments. Largest: Houston Police Department (5,300+ officers); Dallas Police Department (3,000+); San Antonio Police Department (2,400+); Austin Police Department (1,900+); Fort Worth Police Department (1,800+); El Paso Police D…
Table of Contents
Texas has over 2,700 law enforcement agencies at municipal, county, state, and federal levels. The structure reflects Texas's combination of large urban centers, vast rural areas, and substantial federal presence (military bases, border, federal courts). Below is the complete directory with jurisdictional overview.

Municipal police departments

Texas has approximately 1,200+ municipal police departments. Largest: Houston Police Department (5,300+ officers); Dallas Police Department (3,000+); San Antonio Police Department (2,400+); Austin Police Department (1,900+); Fort Worth Police Department (1,800+); El Paso Police Department (1,100+); Arlington Police Department (700+); Corpus Christi Police Department (450+). Mid-size: Plano, Frisco, McKinney, Allen, Lewisville, Garland, Mesquite, Irving (200-500 officers each). Small: hundreds of small-town departments with under 50 officers. Jurisdiction: within incorporated city limits.

County sheriffs' offices

Each of Texas's 254 counties has an elected sheriff. Largest: Harris County (4,500+ deputies + jailers); Dallas County (1,900+); Bexar County (1,600+); Tarrant County (1,500+); Collin County (700+); Travis County (1,200+); El Paso County (1,200+); Hidalgo County (800+); Cameron County (550+); Denton County (500+). Functions: patrol unincorporated areas; jail operations; court security; civil process service; warrant service; constable cooperation. Plus Constables: Texas has 800+ elected constables at the precinct level, primarily serving civil process but with full peace officer authority.

State agencies

Texas Department of Public Safety (DPS) — the primary state-level law enforcement agency. Approximately 4,200 commissioned officers + civilian staff. Components: Highway Patrol (uniformed traffic enforcement); Texas Rangers (elite criminal investigations); Criminal Investigations Division; Texas Crime Information Center; Driver License Division; Regulatory Services. Texas Parks and Wildlife Department Game Wardens — approximately 550 game wardens with statewide jurisdiction; primary focus on wildlife enforcement and water safety. Texas Alcoholic Beverage Commission — agents enforce state alcoholic beverage laws. Texas Attorney General Office — law enforcement division handles Medicaid fraud, human trafficking, consumer protection investigations.

Specialized state and county agencies

Texas Department of Criminal Justice Office of Inspector General — investigates crimes within TDCJ facilities. Texas Lottery Commission Security — investigates lottery-related crimes. Texas Racing Commission Stewards — racing-industry enforcement. Texas State Auditor's Office — investigates state employee fraud. Constable's Offices — 254 counties with up to 8 constable precincts each; civil process and traffic enforcement. Hospital and University Police — most major Texas hospitals and universities have commissioned police (UT campuses, Texas A&M campuses, etc.). School District Police — many large Texas school districts have commissioned police departments.

Federal agencies operating in Texas

Texas houses substantial federal law enforcement presence due to four federal court districts, the U.S.-Mexico border, multiple military installations, and major federal facilities. FBI — Houston, Dallas, San Antonio, El Paso, Corpus Christi field offices plus multiple resident agencies. DEA — Dallas, Houston, San Antonio, El Paso Division Offices. ATF — Houston, Dallas Field Divisions. HSI/ICE — Houston, Dallas, El Paso, San Antonio offices. CBP — concentrated along Texas-Mexico border (Laredo, McAllen, El Paso, Brownsville). U.S. Marshals — Dallas (Northern District), Plano (Eastern), Houston (Southern), San Antonio (Western). Secret Service — Houston, Dallas, San Antonio offices. IRS-CI — Houston, Dallas, San Antonio, El Paso offices. Texas Military Bases — Fort Hood, Fort Bliss, Joint Base San Antonio, NAS Corpus Christi — each with military police and federal investigative agencies.

Texas Marijuana Charges by Weight

WeightOffenseRange
Under 2 ozClass B misdemeanorUp to 180 days + $2,000
2-4 ozClass A misdemeanorUp to 1 year + $4,000
4 oz - 5 lbState jail felony180 days-2 years + $10K
5-50 lb3rd degree felony2-10 years + $10K
50-2,000 lb2nd degree felony2-20 years + $10K
2,000+ lbEnhanced 1st degree5-99 years/life + $50K
Hemp products with delta-9 THC ≤ 0.3% are legal under HB 1325 (2019)

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Our Experience

In our practice defending Texas criminal cases, we have represented clients in Collin, Dallas, Denton, and Tarrant County criminal courts on the full Texas Penal Code and Health & Safety Code spectrum. Reggie's prosecutor background in Dallas County means we know the State's evidentiary playbook; Njeri's trial-trained motion practice anchors the suppression-driven defense work.

Frequently Asked Questions

How many law enforcement agencies are in Texas?

Approximately 2,700+ — including 1,200+ municipal police departments, 254 county sheriffs' offices, 800+ constable precincts, multiple state agencies (DPS, Game Wardens, TABC, etc.), specialized agencies (university police, school district police, hospital police), and federal agency offices.

What's the largest police department in Texas?

Houston Police Department — approximately 5,300+ commissioned officers. Dallas Police Department (3,000+) and San Antonio Police Department (2,400+) are second and third. Austin Police Department (1,900+) and Fort Worth Police Department (1,800+) round out the top five.

What's the difference between Texas DPS and Texas Rangers?

Texas Rangers are a division within Texas DPS. DPS includes Highway Patrol (uniformed traffic enforcement), Texas Rangers (elite criminal investigations with statewide jurisdiction), Criminal Investigations Division, and various administrative components. Rangers handle complex investigations including cold cases, public corruption, and major crimes.

Do constables have full police authority in Texas?

Yes — constables and their deputies are licensed Texas peace officers under Texas Code of Criminal Procedure Article 2.12. They have full peace officer authority including arrest power. Their primary statutory duties are civil process service, but they also patrol and respond to calls in many counties.

Why does Texas have so many federal law enforcement offices?

Four reasons: (1) four federal court districts requiring U.S. Marshals and prosecutorial support; (2) 1,254-mile U.S.-Mexico border requiring substantial CBP, HSI, DEA presence; (3) multiple major military installations requiring military police and federal investigative coordination; (4) major federal facilities (Johnson Space Center, federal courthouses, federal buildings) requiring protective services.

Last reviewed: 2026-05-13 by Njeri London and Reggie London, co-founding partners, L and L Law Group, PLLC. This content is reviewed for accuracy at least every 12 months and when statutory or case-law changes occur.
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About the Authors

Njeri London, Co-Founding Partner, L and L Law Group
Njeri London
Co-Founding Partner
Texas Bar No. 24043266. Admitted: TXND, TXED, 5th Circuit. Thurgood Marshall School of Law. Focus: Fourth Amendment motion practice, drug-crime defense, federal cases. Verify on Texas Bar
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Reggie London, Co-Founding Partner, L and L Law Group
Reggie London
Co-Founding Partner
Texas Bar No. 24043514. Former Dallas County Assistant District Attorney. Extensive felony trial experience including DWI dockets. Verify on Texas Bar
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Law Enforcement Agencies in Texas — Directory

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