By Patricia Jones Dallas County is a major administrative, economic and population centre in North Texas. It sits at the core of the Dallas–Fort Worth metropolitan area and combines dense urban districts, established suburbs, industrial corridors and important business centres.
The City of Dallas is the county seat and its largest municipality. Other major communities include Irving, Garland, Grand Prairie, Mesquite, Richardson, Carrollton, DeSoto, Duncanville and Cedar Hill. County government provides courts, elections, records, public health, criminal justice, social services and regional infrastructure for more than 2.6 million residents.
Quick Overview of Dallas County
| Category | Details |
| State | Texas |
| Region | North Texas |
| Metropolitan area | Dallas–Fort Worth |
| County seat | Dallas |
| Established | 1846 |
| Estimated population | 2,661,397 in 2025 |
| Land area | Approximately 873 square miles |
| Municipalities | About 30 cities and towns, wholly or partly within the county |
| Governing body | Five-member Commissioners Court |
| County Judge | Clay Lewis Jenkins |
| County Administrator | Darryl Martin |
| Local Administrative District Judge | Judge Andrea D. Plumlee |
| Local Administrative County Judge | Judge Dianne K. Jones |
| Main administrative offices | Dallas County Records Building, 500 Elm Street |
| Major economic sectors | Finance, healthcare, technology, logistics, aviation and professional services |
Dallas County grew by about 1.9% between the 2020 population base and the July 2025 estimate. It had nearly 1.1 million housing units in 2025 and more than 982,000 households during the 2020–2024 reporting period.
Location and Geographic Structure
Dallas County is located in north-central Texas. It borders Collin, Denton, Tarrant, Ellis, Kaufman and Rockwall counties. Its landscape includes central Dallas, large suburban cities, corporate districts, industrial areas, Trinity River floodplains and a comparatively small unincorporated area.
Interstates 20, 30, 35E, 45 and 635, together with major tollways and highways, connect the county.
Cities and Municipal Structure
Dallas County contains about 30 municipalities, although several boundaries extend into neighbouring counties. County government is legally separate from the City of Dallas and every other municipality.
Major cities include:
- Dallas: County seat and principal business and governmental centre
- Irving: Corporate and aviation centre near DFW Airport
- Garland: Large residential and manufacturing city
- Grand Prairie: City extending into Dallas, Tarrant and Ellis counties
- Mesquite: Retail, residential and logistics centre
- Richardson: Technology and professional-services centre
- Carrollton: Suburban city shared with Denton and Collin counties
- DeSoto, Duncanville, Cedar Hill and Lancaster: Major southern communities
Cities generally provide police, fire protection, zoning, local streets, libraries and utilities. Dallas County performs countywide duties and provides additional services in unincorporated areas.
Population and Housing
Dallas County is one of the most populous and diverse counties in Texas. Approximately 24.8% of residents are foreign-born, while 42.9% speak a language other than English at home.
Other important figures include:
- Owner-occupied housing rate: 50.8%
- Median owner-occupied home value: $303,000
- Median gross monthly rent: $1,565
- Average household size: 2.63 people
- Housing units in 2025: approximately 1.1 million
Housing conditions differ greatly between central neighbourhoods, established suburbs and newer developments near the county’s edges.
Education, Workforce and Economy
Around 81.9% of residents aged 25 and older have completed high school, while approximately 35.7% hold a bachelor’s degree or higher. Major institutions include Dallas College, Southern Methodist University, the University of North Texas at Dallas, UT Southwestern Medical Center and the University of Texas at Dallas, which is partly within the county.
School districts are separate governmental bodies with their own elected boards, budgets and taxing authority.
The county’s economy is supported by finance, technology, healthcare, aviation, telecommunications, construction, logistics, retail and professional services. Downtown Dallas, Las Colinas, Richardson’s Telecom Corridor and the medical districts are major employment centres.
Major assets include DFW Airport, Dallas Love Field, Parkland Health, UT Southwestern and regional freight corridors. The county had more than 52,000 employer establishments in 2023.
County Administration and Government
Dallas County is governed by a five-member Commissioners Court. Despite its name, it is mainly the county’s policy-making, financial and administrative body rather than a regular trial court.
Its current members are:
- County Judge: Clay Lewis Jenkins
- District 1 Commissioner:Theresa Daniel
- District 2 Commissioner: Andy Sommerman
- District 3 Commissioner: John Wiley Price
- District 4 Commissioner:Elba Garcia
The Commissioners Court adopts the budget, sets the property-tax rate, approves contracts, funds courts and criminal-justice operations, manages county property and supports infrastructure, health and social services. The County Judge presides over meetings and performs executive and emergency-management duties.
County Administrator
Darryl Martin serves as Dallas County Administrator. The appointed administrator helps manage daily operations under policies approved by the Commissioners Court.
The office coordinates budget implementation, departmental planning, human resources, technology, facilities, public works, health services, criminal-justice administration and capital projects.
The County Administrator works with department directors and elected officials but does not replace the independent authority of officials elected directly by voters.
Other Important County Officials
Several countywide offices are independently elected. Important officeholders include:
- Sheriff: Marian Brown
- Criminal District Attorney: John Creuzot
- County Clerk: John Warren
- District Clerk: Felicia Pitre
- County Treasurer: Pauline Medrano
- Tax Assessor-Collector: John R. Ames
Their duties include law enforcement, jail operations, criminal prosecution, court and property records, marriage licences, vehicle registration, tax collection and county financial functions.
The County Clerk and District Clerk maintain different categories of records, so residents should identify the correct office before submitting a request.
Judiciary and Court System
Dallas County has a large trial-court system handling criminal, civil, family, juvenile, probate and lower-level local cases.
It includes civil and criminal district courts, family and juvenile district courts, county courts at law, county criminal courts, probate courts, Justice of the Peace courts, magistrate courts and specialty programmes.
Judge Andrea D. Plumlee serves as the Local Administrative District Judge and presiding family district judge. She helps coordinate administrative matters involving the district courts.
Judge Dianne K. Jones serves as the Local Administrative County Judge. County court administration also includes presiding judges for county criminal and civil courts.
Main Court Responsibilities
- District courts: Felony cases, major civil lawsuits, divorce, child custody, family protection and juvenile matters
- County criminal courts: Misdemeanour cases
- County courts at law: Selected civil disputes and appeals from Justice Courts
- Probate courts: Wills, estates, guardianships, heirship and certain mental-health matters
- Justice Courts: Small claims, evictions, traffic cases, Class C misdemeanours and debt claims
Dallas County has ten Justice Courts across five precincts. Court divisions operate in several buildings, including the George Allen Courts Building and Frank Crowley Courts Building. Anyone attending court should confirm the exact court, address, courtroom and hearing time.
Public Safety and Criminal Justice
Municipal police departments normally provide day-to-day policing inside incorporated cities. The Dallas County Sheriff’s Department operates the county jail, provides courthouse security, serves legal processes and performs duties assigned by Texas law.
Other responsibilities include prosecution, public defence, pretrial services, community supervision, juvenile justice, constable services, emergency management and medical-examiner functions. The county works with cities and regional agencies because these needs often cross municipal boundaries.
Health and Community Services
Dallas County Health and Human Services supports disease surveillance, immunisations, tuberculosis control, emergency preparedness, mosquito control, housing assistance and community outreach.
Parkland Health is the county’s public hospital system and a major provider of emergency, specialty and safety-net care.
Infrastructure, Transport and Records
Dallas County Public Works coordinates road, bridge, flood-control and infrastructure projects, often with cities and state agencies. Because most county land lies within municipalities, many streets and development decisions remain city responsibilities.
Public transport is mainly provided by separate agencies, including Dallas Area Rapid Transit, which operates buses, light rail and commuter services in participating cities.
The Dallas County Records Building at 500 Elm Street houses the Commissioners Court and several administrative offices. Courts and specialised departments operate from other locations, so residents should verify the correct building before visiting.
Frequently Asked Questions
Q1. Is Dallas County the same government as the City of Dallas?
A: No. The City of Dallas has its own mayor, city council and departments. Dallas County is a separate government responsible for courts, elections, records, public health, countywide criminal justice and unincorporated-area services.
Q2. Is the Dallas County Judge a regular courtroom judge?
A: The County Judge mainly leads the Commissioners Court and performs executive, budgetary and emergency-management duties. Legal cases are heard by separate district, county, probate and Justice Court judges.
Q3. Which office maintains Dallas County court records?
A: The District Clerk maintains district-court records, including felony, family and major civil cases. The County Clerk maintains county-court, probate and several other public records.
Q4. Where are the main Dallas County offices located?
A: Many offices and the Commissioners Court are in the Dallas County Records Building at 500 Elm Street. Courts and specialised departments operate from several other buildings in downtown Dallas and elsewhere.
Q5. Does Dallas County provide police services within cities?
A: Municipal departments normally provide policing inside cities. The Sheriff’s Department has countywide authority but focuses on the jail, court security, legal-process service and duties required by state law.