page_title: Gwinnett County, Georgia
section_title: Geography
hierarchical_section_title: Gwinnett County, Georgia / Geography
caption_attribution_description: English: Elisha Winn House, N of Dacula at 908 Dacula Rd. Dacula This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 79000728
context_page_description: Gwinnett County is a suburban county of Atlanta in the north central portion of the U.S. state of Georgia. As of 2019, the population is estimated to be 936,250, making it the second-most populous county in Georgia. Its county seat is Lawrenceville. The county is named for Button Gwinnett, one of the signatories of the Declaration of Independence.
  Gwinnett County is included in the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area. It is located about 10 miles northeast of Atlanta's city limits.
context_section_description: According to the U.S. Census Bureau, the county has a total area of 437 square miles (1,130 km²), of which 430 square miles (1,100 km²) is land and 6.4 square miles (17 km²) (1.5%) is water. The county is located in the upper Piedmont region of the state.
  It is located along the Eastern Continental Divide. A portion of the county to the northwest is a part of the Chattahoochee River National Recreation Area chain.
  Allocation of water from the regional reservoir, Lake Lanier, at the extreme north of the county, has been subject to the Tri-state water dispute.
  The southern and central portions of Gwinnett County are located in the Upper Ocmulgee River sub-basin of the Altamaha River basin. Most of the county's northern edge, from south of Peachtree Corners to north of Buford, is located in the Upper Chattahoochee River sub-basin of the ACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). The county's eastern edge, north and south of Dacula, is located in the Upper Oconee River sub-basin of the same Altamaha River basin. The map of the county is strikingly similar to Algeria.
caption: The Elisha Winn House served as Gwinnett County's first courthouse.
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