Section E: Sample Sizes and Population Estimates

Full report with all data on State treatment planning areas

Click on your State in the list below to find the data for its treatment planning areas. In the data table, click on the State to get the map and list of substate areas that define each State treatment planning area.

National Data Alabama Alaska Arizona Arkansas California Colorado Connecticut

Delaware District of Columbia Florida Georgia Hawaii

Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana

Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana

Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota

Ohio Oklahoma Oregon Pennsylvania Rhode Island

South Carolina South Dakota Tennessee Texas Utah

Vermont Virginia Washington West Virginia Wisconsin Wyoming

60426

**Table E1. Sample Sizes and Population Estimates, by Substate Region, for Persons Aged 12 or Older: 2002, 2003, and 2004 NSDUHs**
State/Substate Region	Total Sample Size¹	Population Estimate²
National	203,670	238,383,326


Alabama	2,719	3,738,595
Region 1	641	1,045,391
Region 2	822	1,195,902
Region 3	492	669,635
Region 4	764	827,667


Alaska	2,692	506,672
Gulf Coast	314	60,571
Rural	269	54,811
Southeast	282	59,688
Urban	1,827	331,601


Arizona	2,724	4,495,853
Maricopa	1,709	2,691,257
Pima	392	737,747
Rural North	422	531,036
Rural South	201	535,813


Arkansas	2,699	2,248,591
Areas 1 and 5	529	510,820
Areas 2 and 3	283	284,447
Areas 4 and 7	426	323,445
Area 6	258	185,212
Areas 8 and 12	342	258,470
Area 9	486	420,831
Areas 10, 11, and 13	375	265,366


California	10,924	28,640,736
Region 1	323	771,749
Region 2	889	2,569,654
Region 3	524	1,126,240
Region 4	489	1,559,888
Region 5	785	2,039,235
Region 6 (Santa Clara)	532	1,451,273
Region 7	233	612,337
Region 8	556	1,193,606
Region 9	286	764,849
Region 10	361	974,799
Region 11 (Los Angeles)	3,170	7,949,895
Region 12	652	1,418,884
Region 13 (Riverside)	403	1,291,836
Region 14 (Orange)	807	2,404,593
Region 15	914	2,511,897


Colorado	2,759	3,734,649
Region 1	418	469,436
Regions 2 and 7	1,513	2,098,364
Region 3	339	537,763
Region 4	206	222,138
Regions 5 and 6	283	406,948


Connecticut	2,807	2,869,984
Eastern	303	340,328
North Central	887	808,277
Northwestern	485	493,440
South Central	661	677,227
Southwest	471	550,713


Delaware	2,807	676,230
Kent	454	107,095
New Castle (excluding Wilmington city)	1,628	362,404
Sussex	503	142,701
Wilmington City	222	64,030


District of Columbia	2,716	476,169
Ward 1	310	59,823
Ward 2	307	65,109
Ward 3	370	69,746
Ward 4	315	63,437
Ward 5	350	57,199
Ward 6	209	56,964
Ward 7	422	54,490
Ward 8	433	49,400


Florida	10,856	14,163,444
District 1	382	540,910
District 2	491	569,829
District 3	381	448,978
District 4	783	959,108
District 7	1,324	1,688,808
District 8	525	825,351
District 9 (Palm Beach)	725	1,011,059
District 10 (Broward)	1,019	1,412,085
District 11	1,579	2,055,980
District 12	490	440,686
District 13	482	706,807
District 14	460	527,030
District 15	338	425,747
Suncoast	1,877	2,551,067


Georgia	2,689	6,959,438
Region 1	446	940,001
Region 2	477	1,146,526
Region 3	1,082	2,951,882
Region 4	326	939,561
Region 5	358	981,469


Hawaii	2,756	1,003,498
Hawaii Island	365	124,463
Honolulu	1,972	721,941
Kauai and Maui	419	157,093


Idaho	2,721	1,106,717
Region 1	338	157,266
Region 2	219	87,227
Region 3	453	163,937
Region 4	685	302,359
Region 5	397	136,463
Region 6	306	125,832
Region 7	323	133,633


Illinois	11,015	10,322,088
Region I (Cook)	4,348	4,417,932
Region II	3,147	2,991,864
Region III	1,414	1,178,720
Region IV	910	756,690
Region V	1,196	976,882


Indiana	2,739	5,101,122
Central	634	1,245,713
East	250	463,956
North Central	387	758,690
Northeast	308	510,198
Northwest	352	589,933
Southeast	302	545,093
Southwest	203	409,001
West	303	578,538


Iowa	2,668	2,484,098
Central	399	414,698
North Central	362	287,483
Northeast	739	603,925
Northwest	380	412,105
Southeast	544	529,058
Southwest	244	236,829


Kansas	2,601	2,212,747
Kansas City Metro	829	692,580
Northeast	490	430,459
South Central	339	295,639
Southeast	219	163,708
West	268	264,053
Wichita (Sedgwick)	456	366,308


Kentucky	2,750	3,418,175
Adanta, Cumberland River, and Lifeskills	549	584,975
Bluegrass, Comprehend, and North Key	794	971,447
Communicare and River Valley	275	376,105
Four Rivers and Pennyroyal	219	340,620
Kentucky River, Mountain, and Pathways	327	414,354
Seven Counties	586	730,674


Louisiana	2,806	3,645,652
Region 1	262	463,930
Regions 2 and 9	762	866,590
Region 3	260	309,355
Region 4	349	445,315
Regions 5 and 6	364	473,252
Regions 7 and 8	550	710,752
Region 10 (Jefferson)	259	376,459


Maine	2,730	1,122,916
Planning Region 1	1,004	402,704
Region 1 (Cumberland)	597	235,526
Region 2 (York)	407	167,178
Planning Region 2	1,112	440,195
Region 3	506	192,251
Region 4	302	118,793
Region 5	304	129,151
Planning Region 3	614	280,017
Region 6 (Penobscot)	359	126,881
Region 7	255	153,136


Maryland	2,683	4,511,986
Anne Arundel	232	420,996
Baltimore City	376	524,038
Central	580	1,053,167
Montgomery	453	752,565
Prince George's	396	668,847
Rural	315	588,426
Western	331	503,948


Massachusetts	2,757	5,392,745
Boston	330	655,027
Central	324	675,603
Metrowest	630	1,259,508
Northeast	537	1,053,294
Southeast	548	1,056,546
Western	388	692,768


Michigan	11,129	8,312,012
Bay	325	299,889
Detroit City	945	721,027
Genesee	505	355,660
Kalamazoo	727	405,603
Kent	729	479,915
Lakeshore	929	611,837
Macomb	785	674,748
Mid South	1,151	876,690
Northern	880	730,896
Oakland	1,217	1,009,662
Pathways	232	177,120
Saginaw	208	171,910
Southeast	1,390	1,027,047
St. Clair	330	252,499
Washtenaw	538	420,486
Western	238	97,024


Minnesota	2,689	4,227,533
Regions 1 and 2	290	445,529
Regions 3 and 4	504	683,879
Regions 5 and 6	509	828,450
Region 7A (Hennepin)	606	968,298
Region 7B (Ramsey)	253	436,013
Region 7C	527	865,362


Mississippi	2,652	2,335,004
Region 1	533	489,477
Region 2	393	336,136
Region 3	365	345,309
Region 4	509	406,343
Region 5	203	153,210
Region 6	259	230,785
Region 7	390	373,744


Missouri	2,719	4,714,191
Central	406	637,365
Eastern	882	1,656,405
Eastern (St. Louis City and County)	606	1,112,676
Eastern (excluding St. Louis)	276	543,730
Northwest	670	1,139,174
Northwest (Jackson)	396	540,975
Northwest (excluding Jackson)	274	598,199
Southeast	290	572,850
Southwest	471	708,398


Montana	2,732	773,692
Region 1	260	66,068
Region 2	418	118,272
Region 3	510	157,914
Region 4	803	197,587
Region 5	741	233,851


Nebraska	2,706	1,424,181
Regions 1 and 2	276	160,125
Region 3	336	185,747
Region 4	345	177,257
Region 5	712	352,077
Region 6	1,037	548,975


Nevada	2,744	1,819,654
Clark	1,739	1,272,420
Rural	449	252,450
Washoe	556	294,784


New Hampshire	2,724	1,090,971
Central	875	306,886
Central 1	499	150,826
Central 2	376	156,060
Northern	362	143,071
Southern	1,487	641,015
Southern 1 (Rockingham)	525	242,087
Southern 2	962	398,928


New Jersey	2,623	7,122,220
Central	618	1,623,001
Metropolitan	623	1,730,183
Northern	852	2,301,135
Southern	530	1,467,901


New Mexico	2,540	1,532,154
Region 1	515	307,463
Region 2	302	241,179
Region 3 (Bernalillo)	836	473,778
Region 4	325	197,427
Region 5	562	312,307


New York	10,988	15,936,611
Region A	4,114	6,783,637
Region 1	727	1,086,902
Region 2	1,458	2,420,786
Region 3	811	1,358,851
Region 4	1,118	1,917,099
Region B	2,197	3,390,472
Region 5	1,501	2,301,946
Region 6	696	1,088,527
Region C	3,615	4,453,090
Region 7	453	672,377
Region 8	622	799,365
Region 9	593	781,149
Region 10	424	368,537
Region 11	742	863,023
Region 12	781	968,641
Region D	1,062	1,309,411
Region 13	323	405,254
Region 14	332	443,294
Region 15	407	460,863


North Carolina	2,675	6,852,670
Eastern	628	1,335,969
North Central	612	1,594,528
South Central	549	1,632,048
Western	886	2,290,125


North Dakota	2,691	532,496
Badlands and West Central	646	139,380
Lake Region and South Central	447	84,477
North Central and Northwest	458	94,234
Northeast	393	75,254
Southeast	747	139,151


Ohio	10,726	9,430,911
Boards 2, 46, 55, and 68	489	426,037
Boards 3, 52, and 85	407	297,031
Boards 4 and 78	311	271,228
Boards 5 and 60	319	275,831
Boards 7, 15, 41, 79, and 84	397	395,761
Boards 8, 13, and 83	424	357,481
Board 9 (Butler)	346	280,030
Board 12	354	279,065
Boards 18 and 47	1,434	1,370,748
Boards 20, 32, 54, and 69	344	286,010
Boards 21, 39, 51, 70, and 80	454	409,517
Boards 22, 74, and 87	338	323,375
Boards 23 and 45	356	275,625
Board 25 (Franklin)	1,136	896,680
Boards 27, 71, and 73	438	400,256
Boards 28, 43, and 67	511	397,548
Board 31 (Hamilton)	712	685,266
Board 48 (Lucas)	517	369,627
Board 50 and 76	507	525,946
Board 57 (Montgomery)	421	455,742
Board 77 (Summit)	511	452,108


Oklahoma	2,660	2,855,085
Central	302	312,768
East Central	268	332,368
Northeast	405	373,740
Northwest and Southwest	357	427,811
Oklahoma County	414	539,723
Southeast	388	407,490
Tulsa County	526	461,185


Oregon	2,739	2,973,905
Region 1 (Multnomah)	518	583,586
Region 2	677	678,432
Region 3	809	935,309
Region 4	458	438,254
Region 5	277	338,324


Pennsylvania	10,768	10,351,563
Region 1 (Allegheny)	1,129	1,071,775
Regions 2, 3, 8, and 9	547	568,074
Regions 4, 11, 42, and 48	677	704,023
Regions 5, 20, 26, 28, and 40	752	593,701
Regions 6, 12, 16, 35, 39, 41, 44, and 45	713	623,668
Regions 7, 13, 22, and 37	1,940	1,966,710
Regions 10, 14, 15, 25, 31, 36, and 46	593	488,904
Regions 17, 24, 27, 43, and 47	618	718,048
Region 18 (Philadelphia)	1,390	1,224,324
Regions 19 and 23	308	309,413
Regions 21, 30, 32, and 49	1,182	1,112,909
Regions 29 and 34	461	476,095
Regions 33 and 38	458	493,920


Rhode Island	2,750	907,237
Bristol and Newport	364	118,008
Kent	477	144,619
Providence	1,596	535,344
Washington	313	109,266


South Carolina	2,718	3,420,953
Region 1	651	906,807
Region 2	1,079	1,013,492
Region 3	431	609,218
Region 4	557	891,436


South Dakota	2,688	629,601
Eastern Planning Area	1,894	444,684
Region 3 (Minnehaha)	598	126,777
Region 4	327	92,843
Region 5	311	70,938
Region 6	357	76,176
Region 7	301	77,950
Western Planning Area	794	184,917
Region 1 (Pennington)	349	74,298
Region 2	445	110,619


Tennessee	2,672	4,889,397
Region 1	203	414,256
Region 2	401	910,385
Region 3	507	790,049
Region 4 (Davidson)	314	488,498
Region 5	506	1,032,544
Region 6	299	515,952
Region 7 (Shelby)	442	737,713


Texas	10,846	17,474,613
Region 1	414	637,742
Region 2	248	454,802
Region 3	3,026	4,632,679
Region 3a	2,017	2,947,625
Region 3bc	1,009	1,685,054
Region 4	456	853,162
Region 5	312	614,847
Region 6	2,640	4,048,145
Region 6a	2,333	3,604,775
Region 6bc	307	443,370
Region 7	1,375	2,001,108
Region 7a	768	1,197,112
Region 7bcd	607	803,996
Region 8	983	1,803,636
Region 9	269	423,600
Region 10	315	572,068
Region 11	808	1,432,825
Region 11abd	490	960,002
Region 11c (Hidalgo)	318	472,823


Utah	2,697	1,832,958
Bear River, Northeastern, Summit, Tooele, and Wasatch	339	214,404
Central, Four Corners, San Juan, and Southwest	249	216,491
Davis County	300	191,426
Salt Lake County	1,020	738,410
Utah County	533	302,906
Weber, Morgan	256	169,323


Vermont	2,737	534,674
Champlain Valley	1,106	205,867
Rural Northeast	706	126,316
Rural Southeast	508	114,597
Rural Southwest	417	87,893


Virginia	2,693	5,946,908
Region 1	391	887,644
Region 2	650	1,539,440
Region 3	468	1,113,747
Region 4	526	1,010,996
Region 5	658	1,395,083


Washington	2,728	5,071,678
Region 1	341	650,558
Region 2	239	458,959
Region 3	462	829,229
Region 4 (King)	803	1,511,053
Region 5	436	791,304
Region 6	447	830,575


West Virginia	2,678	1,547,545
Eastern Highland	567	318,523
Northern	706	393,024
Northern A and B	227	133,464
Northern C and D	479	259,561
South Central	924	552,785
South Central I	233	147,180
South Central II	261	161,876
South Central III	430	243,729
Southern	481	283,212
Southern I and III	272	187,150
Southern II	209	96,062


Wisconsin	2,691	4,589,917
Milwaukee	461	770,589
Northeastern	588	999,044
Northern	252	416,180
Southeastern	481	918,853
Southern	536	845,000
Western	373	640,251


Wyoming	2,649	420,883
Judicial District 1 (Laramie)	389	69,847
Judicial District 2	345	41,891
Judicial District 3	386	58,398
Judicial District 4	205	29,352
Judicial District 5	270	42,994
Judicial District 6	284	38,938
Judicial District 7 (Natrona)	309	56,420
Judicial District 8	228	30,302
Judicial District 9	233	52,742
¹ Total sample size is the combined sample size from the 2002, 2003, and 2004 NSDUHs. ² Population Estimate is the simple average of the 2002, 2003, and 2004 population counts for persons aged 12 or older. The sum of the substate region population counts within a State may not exactly match the State population count listed in the table due to rounding. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2002, 2003, and 2004.