County name	Population 2020	Metro area	Rural-Urban Continuum Code
Dallas	2613539	Dallas-Fort Worth	RUCC 1
Tarrant	2110640	Dallas-Fort Worth	RUCC 1
Collin	1064465	Dallas-Fort Worth	RUCC 1
Denton	906422	Dallas-Fort Worth	RUCC 1
Ellis	192455	Dallas-Fort Worth	RUCC 1
Johnson	179927	Dallas-Fort Worth	RUCC 1
Parker	148222	Dallas-Fort Worth	RUCC 1
Kaufman	145310	Dallas-Fort Worth	RUCC 1
Rockwall	107819	Dallas-Fort Worth	RUCC 1
Hunt	99956	Dallas-Fort Worth	RUCC 1
Wise	68632	Dallas-Fort Worth	RUCC 1
Hood	61598	Dallas-Fort Worth	RUCC 1
Somervell	9205	Dallas-Fort Worth	RUCC 1
Harris	4731145	Houston	RUCC 1
Fort Bend	822779	Houston	RUCC 1
Montgomery	620443	Houston	RUCC 1
Brazoria	372031	Houston	RUCC 1
Galveston	350682	Houston	RUCC 1
Liberty	91628	Houston	RUCC 1
Waller	56794	Houston	RUCC 1
Chambers	46571	Houston	RUCC 1
Austin	30167	Houston	RUCC 1
Bexar	2009324	San Antonio	RUCC 1
Guadalupe	172706	San Antonio	RUCC 1
Comal	161501	San Antonio	RUCC 1
Medina	50748	San Antonio	RUCC 1
Wilson	49753	San Antonio	RUCC 1
Atascosa	48981	San Antonio	RUCC 1
Kendall	44279	San Antonio	RUCC 1
Bandera	20851	San Antonio	RUCC 1
Travis	1290188	Austin	RUCC 1
Williamson	609017	Austin	RUCC 1
Hays	241067	Austin	RUCC 1
Bastrop	97216	Austin	RUCC 1
Caldwell	45883	Austin	RUCC 1
Hidalgo	870781	McAllen	RUCC 2
El Paso	865657	El Paso	RUCC 2
Hudspeth	3202	El Paso	RUCC 2
Bell	370647	Killeen	RUCC 2
Coryell	83093	Killeen	RUCC 2
Lampasas	21627	Killeen	RUCC 2
Nueces	353178	Corpus Christi	RUCC 2
San Patricio	68755	Corpus Christi	RUCC 2
Aransas	23830	Corpus Christi	RUCC 2
Cameron	421017	Brownsville	RUCC 2
Jefferson	256526	Beaumont-Port Arthur	RUCC 2
Orange	84808	Beaumont-Port Arthur	RUCC 2
Hardin	56231	Beaumont-Port Arthur	RUCC 2
Newton	12217	Beaumont-Port Arthur	RUCC 2
Lubbock	310639	Lubbock	RUCC 2
Lynn	5596	Lubbock	RUCC 2
Crosby	5133	Lubbock	RUCC 2
McLennan	260579	Waco	RUCC 2
Falls	16968	Waco	RUCC 2
Randall	140753	Amarillo	RUCC 2
Potter	118525	Amarillo	RUCC 2
Carson	5807	Amarillo	RUCC 2
Armstrong	1848	Amarillo	RUCC 2
Oldham	1758	Amarillo	RUCC 2
Brazos	233849	Bryan-College Station	RUCC 2
Burleson	17642	Bryan-College Station	RUCC 2
Robertson	16757	Bryan-College Station	RUCC 2
Webb	267114	Laredo	RUCC 2
Smith	233479	Tyler	RUCC 3
Gregg	124239	Longview	RUCC 3
Rusk	52214	Longview	RUCC 3
Upshur	40892	Longview	RUCC 3
Taylor	143208	Abilene	RUCC 3
Jones	19663	Abilene	RUCC 3
Callahan	13708	Abilene	RUCC 3
Midland	169983	Midland	RUCC 3
Martin	5237	Midland	RUCC 3
Ector	165171	Odessa	RUCC 3
Wichita	129350	Wichita Falls	RUCC 3
Clay	10218	Wichita Falls	RUCC 3
Archer	8560	Wichita Falls	RUCC 3
Grayson	135543	Sherman	RUCC 3
Tom Green	120003	San Angelo	RUCC 3
Irion	1513	San Angelo	RUCC 3
Victoria	91319	Victoria	RUCC 3
Goliad	7012	Victoria	RUCC 3
Bowie	92893	Texarkana	RUCC 3
Angelina	86395	rural	rural
Henderson	82150	rural	rural
Walker	76400	rural	rural
Harrison	68839	rural	rural
Starr	65920	rural	rural
Nacogdoches	64653	rural	rural
Van Zandt	59541	rural	rural
Anderson	57922	rural	rural
Maverick	57887	rural	rural
Navarro	52624	rural	rural
Kerr	52598	rural	rural
Cherokee	50412	rural	rural
Polk	50123	rural	rural
Lamar	50088	rural	rural
Burnet	49130	rural	rural
Val Verde	47586	rural	rural
Wood	44843	rural	rural
Erath	42545	rural	rural
Cooke	41668	rural	rural
Wharton	41570	rural	rural
Jim Wells	38891	rural	rural
Brown	38095	rural	rural
Hopkins	36787	rural	rural
Matagorda	36255	rural	rural
Hill	35874	rural	rural
Washington	35805	rural	rural
Fannin	35662	rural	rural
Howard	34860	rural	rural
Jasper	32980	rural	rural
Hale	32522	rural	rural
Titus	31247	rural	rural
Bee	31047	rural	rural
Kleberg	31040	rural	rural
Grimes	29268	rural	rural
Cass	28454	rural	rural
Palo Pinto	28409	rural	rural
San Jacinto	27402	rural	rural
Gillespie	26725	rural	rural
Milam	24754	rural	rural
Uvalde	24564	rural	rural
Fayette	24435	rural	rural
Shelby	24022	rural	rural
Panola	22491	rural	rural
Limestone	22146	rural	rural
Houston	22066	rural	rural
Gaines	21598	rural	rural
Hockley	21537	rural	rural
Moore	21358	rural	rural
Llano	21243	rural	rural
Gray	21227	rural	rural
Hutchinson	20617	rural	rural
Colorado	20557	rural	rural
Lavaca	20337	rural	rural
Willacy	20164	rural	rural
Calhoun	20106	rural	rural
Montague	19965	rural	rural
DeWitt	19824	rural	rural
Tyler	19798	rural	rural
Gonzales	19653	rural	rural
Freestone	19435	rural	rural
Andrews	18610	rural	rural
Deaf Smith	18583	rural	rural
Frio	18385	rural	rural
Bosque	18235	rural	rural
Young	17867	rural	rural
Eastland	17725	rural	rural
Lee	17478	rural	rural
Scurry	16932	rural	rural
Leon	15719	rural	rural
Pecos	15193	rural	rural
Jackson	14988	rural	rural
Reeves	14748	rural	rural
Nolan	14738	rural	rural
Karnes	14710	rural	rural
Zapata	13889	rural	rural
Trinity	13602	rural	rural
Comanche	13594	rural	rural
Madison	13455	rural	rural
Lamb	13045	rural	rural
Wilbarger	12887	rural	rural
Camp	12464	rural	rural
Dawson	12456	rural	rural
Rains	12164	rural	rural
Morris	11973	rural	rural
Terry	11831	rural	rural
Ward	11644	rural	rural
Red River	11587	rural	rural
Blanco	11374	rural	rural
Live Oak	11335	rural	rural
Franklin	10359	rural	rural
Ochiltree	10015	rural	rural
Runnels	9900	rural	rural
Sabine	9894	rural	rural
Parmer	9869	rural	rural
Duval	9831	rural	rural
Marion	9725	rural	rural
Zavala	9670	rural	rural
Brewster	9546	rural	rural
Stephens	9101	rural	rural
Mitchell	8990	rural	rural
Dimmit	8615	rural	rural
Jack	8472	rural	rural
Hamilton	8222	rural	rural
San Augustine	7918	rural	rural
Winkler	7791	rural	rural
Yoakum	7694	rural	rural
Coleman	7684	rural	rural
McCulloch	7630	rural	rural
Castro	7371	rural	rural
Dallam	7115	rural	rural
Brooks	7076	rural	rural
Swisher	6971	rural	rural
Bailey	6904	rural	rural
Refugio	6741	rural	rural
Childress	6664	rural	rural
La Salle	6664	rural	rural
Presidio	6131	rural	rural
Garza	5816	rural	rural
San Saba	5730	rural	rural
Haskell	5416	rural	rural
Floyd	5402	rural	rural
Hartley	5382	rural	rural
Hansford	5285	rural	rural
Delta	5230	rural	rural
Wheeler	4990	rural	rural
Jim Hogg	4838	rural	rural
Crane	4675	rural	rural
Mills	4456	rural	rural
Kimble	4286	rural	rural
Mason	3953	rural	rural
Fisher	3672	rural	rural
Hardeman	3549	rural	rural
Baylor	3465	rural	rural
Reagan	3385	rural	rural
Hemphill	3382	rural	rural
Sutton	3372	rural	rural
Knox	3353	rural	rural
Upton	3308	rural	rural
Concho	3303	rural	rural
Coke	3285	rural	rural
Donley	3258	rural	rural
Kinney	3129	rural	rural
Shackelford	3105	rural	rural
Crockett	3098	rural	rural
Lipscomb	3059	rural	rural
Hall	2825	rural	rural
Sherman	2782	rural	rural
Real	2758	rural	rural
Collingsworth	2652	rural	rural
Cochran	2547	rural	rural
Schleicher	2451	rural	rural
Culberson	2188	rural	rural
Jeff Davis	1996	rural	rural
Menard	1962	rural	rural
Dickens	1770	rural	rural
Throckmorton	1440	rural	rural
Briscoe	1435	rural	rural
Edwards	1422	rural	rural
Cottle	1380	rural	rural
Sterling	1372	rural	rural
Stonewall	1245	rural	rural
Glasscock	1116	rural	rural
Foard	1095	rural	rural
Motley	1063	rural	rural
Roberts	827	rural	rural
Terrell	760	rural	rural
Kent	753	rural	rural
Borden	631	rural	rural
McMullen	600	rural	rural
Kenedy	350	rural	rural
King	265	rural	rural
Loving	64	rural	rural