Gregg County, Texas Zip Codes

Zip Code	City	Population
75605	Longview	33,614
75604	Longview	31,361
75662	Kilgore	24,640
75601	Longview	15,470
75647	Gladewater	13,026
75603	Longview	6,341
75693	White Oak	6,128

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.