Citation:
Thoughtful House Center for Children, Graphing IDEA Professional 2010, Thoughtful House, Austin, TX,
Acessed at http://www.thoughtfulhouse.org/disabilities/ on September 8, 2010.

MS Excel File HMTL
Prevalence Number of Cases
Prevalence Denominator: Births † Public School Enrollment ‡
All Disabilities Autism Specific Learning Disabilities Speech Or Language Impairments Mental Retardation Emotional Disturbance Multiple Disabilities Hearing Impairments Orthopedic Impairments Other Health Impairments Visual Impairments Deaf-Blindness Traumatic Brain Injury Developmental Delay Autism + Developmental Delay
2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992

† As of 12/3/2009 the birth data is limited to years 1969 to 2005.
‡ As of 12/3/2009 the enrollment data only includes data for grades pre-kindergarten to twelfth (6 to 18 year olds) for school years 1992 to 2007. Therefore, the prevalence data will be restricted to this range.

Autism Autism Prevalence (cases per 10,000 births) for 2008-2009

State		Ages
Name	Abbr	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3
U.S. And Outlying Areas	US	0.074	4.332	8.608	11.518	21.449	34.260	41.652	46.005	50.092	54.429	57.700	62.712	67.326	68.533	70.060	70.143	65.880	53.663	33.609	22.253
Alabama	AL		1.023	5.007	7.107	12.661	23.338	29.226	33.076	29.735	38.953	35.544	46.295	50.746	55.595	44.077	40.361	30.436	20.486	15.460	11.745
Alaska	AK		5.199	9.905	6.942	12.733	26.828	40.528	34.786	35.018	44.904	39.853	52.277	57.425	50.798	47.123	45.986	43.987	13.881	7.738	9.561
Arizona	AZ		6.630	7.463	10.106	18.436	31.163	43.477	36.527	44.773	50.509	52.840	57.464	58.408	65.141	65.437	69.161	64.839			0.000
Arkansas	AR		0.000			17.849	36.891	39.357	40.093	43.156	36.958	47.565	51.264	51.268	53.047	44.729	55.390	58.903	34.406	13.222	7.141
California	CA		6.572	8.136	11.116	17.128	30.325	37.855	41.703	48.297	52.604	57.876	65.391	71.579	74.186	78.277	82.917	84.849	84.566	69.855	51.796
Colorado	CO		1.664	5.232	7.175	15.070	19.646	26.484	24.908	30.404	33.314	28.491	33.432	38.102	37.027	36.676	35.071	36.862	23.796	14.306	9.718
Connecticut	CT		3.618	14.953	14.795	24.104	43.874	55.117	54.752	60.660	73.533	73.759	85.829	91.739	95.716	100.637	102.467	98.950	68.808	47.749	35.476
Delaware	DE				21.125	23.427	36.211	41.370	47.326	46.406	51.627	48.252	46.816	59.558	42.455	62.438	69.774	59.540	55.609	33.424	26.625
District of Columbia	DC	0.000			3.150	5.093		8.518				30.989	35.322			56.092	35.410	45.902	32.813	22.690	8.782
Florida	FL		7.084	10.274	10.626	17.353	24.868	31.923	36.522	38.288	44.192	44.511	51.928	56.482	59.040	64.470	72.840	66.863	51.260	30.864	18.299
Georgia	GA		4.813	8.690	11.045	23.697	37.058	45.150	49.408	54.578	62.610	63.485	66.401	66.521	68.035	68.982	56.918	41.939	29.784	18.005	10.197
Hawaii	HI		0.000	4.723	11.324	10.717	28.521	40.604	27.990	38.424	38.182	44.563	50.020	56.304	41.530	48.430	46.275	48.618	45.856	37.744	30.685
Idaho	ID				12.634	36.430	52.030	65.007	63.521	76.376	69.310	61.745	54.892	65.494	65.420	54.012	49.787	44.954	26.606	20.415	12.141
Illinois	IL		5.522	8.642	13.005	20.069	32.650	36.723	40.808	46.842	46.983	47.986	52.709	56.630	63.542	63.123	63.348	52.101	40.878	26.386	19.886
Indiana	IN		5.222	6.002	15.074	37.988	57.796	70.785	81.318	83.572	98.751	94.357	95.283	95.510	96.507	94.414	89.638	79.344	60.971	31.328	22.594
Iowa	IA		0.000			7.033	14.276	16.036	16.005	16.302	16.028	15.617	15.821	15.825	14.588	12.805	11.165	9.304	7.597	5.724	4.070
Kansas	KS		3.483	5.855	8.783	16.160	32.097	30.411	39.888	37.712	39.784	42.564	43.176	38.520	44.990	45.631	39.878	32.159	28.372	12.856	13.287
Kentucky	KY				4.929	16.435	28.019	32.057	34.860	34.264	36.275	44.777	45.110	50.065	48.458	55.150	42.446	39.701	32.587	23.690	11.870
Louisiana	LA		4.710	6.466	7.372	12.000	15.868	20.733	27.060	23.117	23.918	30.826	28.323	31.097	37.675	33.874	34.123	28.920	27.522	17.592	12.636
Maine	ME		0.000			26.692	54.785	64.902	74.914	80.039	86.356	108.901	113.395	123.789	143.358	124.237	142.452	134.457	124.865	108.290	64.484
Maryland	MD		3.520	15.275	15.805	32.634	51.516	67.219	63.459	72.278	64.921	71.855	79.043	81.837	90.082	78.583	84.679	76.211	43.374	33.499	21.339
Massachusetts	MA		9.279	12.450	14.461	21.185	45.084	50.042	58.925	59.014	69.567	73.870	81.131	90.160	80.106	93.121	91.888	96.452	92.412	86.514	69.993
Michigan	MI		11.374	11.525	14.385	28.511	41.625	53.027	60.469	65.525	69.963	73.470	74.113	77.956	78.378	78.284	75.022	62.731	54.007	33.442	19.341
Minnesota	MN		7.540	25.900	29.589	59.442	89.416	102.386	119.968	124.001	133.095	136.107	145.119	149.075	150.486	149.843	141.796	124.774	97.359	74.196	43.148
Mississippi	MS				5.200	8.804	12.630	15.657	16.811	19.846	24.913	23.910	32.986	32.372	34.493	31.537	31.455	21.759	17.933	9.573	5.425
Missouri	MO		1.430	5.490	9.140	22.600	36.139	42.175	44.880	49.620	59.018	54.042	65.508	70.596	67.984	71.669	68.509	64.402	29.723	10.287	5.851
Montana	MT		0.000				23.906		25.946		32.310	43.294			33.498	42.895	46.490	41.933	21.012	19.099	6.907
Nebraska	NE		0.000	3.297	12.236	17.058	37.605	35.530	38.052	52.088	48.187	46.809	56.606	50.140	53.697	59.645	49.154	47.945	33.569	24.685	13.769
Nevada	NV	0.000	3.624	5.588	10.837	25.306	32.602	46.039	61.305	66.065	62.660	59.330	74.691	72.128	79.261	80.444	92.091	94.959	66.276	54.830	31.931
New Hampshire	NH		0.000	8.796	6.867	35.733	45.538	63.016	53.260	58.283	63.416	67.493	76.155	65.840	79.655	72.558	62.773	64.820	57.667	51.493	35.368
New Jersey	NJ		2.719	10.385	11.537	17.213	30.535	36.405	42.445	45.832	49.901	55.815	61.706	72.719	82.979	87.951	91.023	97.845	84.200	0.000	0.000
New Mexico	NM		3.713	4.871	6.312	11.490	16.102	17.812	23.226	26.489	20.802	24.974	24.562	35.142	32.378	36.366	32.070	32.807	30.552	19.025	7.283
New York	NY		0.733	8.488	12.034	18.093	25.314	34.874	36.107	41.600	40.498	48.340	50.770	56.699	60.434	66.206	71.961	72.985	64.876	12.243
North Carolina	NC		5.540	8.685	13.625	29.515	43.166	51.294	50.756	57.641	62.702	63.559	72.046	73.150	74.945	71.565	56.606	53.560	43.609	30.706	22.746
North Dakota	ND				8.279	15.250	33.494	33.623	32.226	31.665	46.012	44.327	52.676	61.775	33.788	45.597	48.499	51.121	26.342	13.433	10.727
Ohio	OH		4.217	6.557	11.219	23.400	36.951	43.354	53.268	52.742	55.107	62.825	62.158	65.971	62.183	63.162	64.261	57.663	42.959	25.511	14.893
Oklahoma	OK				4.959	12.424	27.764	26.650	34.398	39.490	41.382	43.513	44.956	51.758	54.479	32.341	21.948	19.155	13.142	7.212	4.440
Oregon	OR		6.001	26.605	29.267	51.279	84.520	96.260	104.229	100.250	122.866	122.085	126.230	135.401	122.327	129.465	110.763	114.735	94.227	75.310	42.028
Pennsylvania	PA		2.016	8.635	10.539	21.768	34.985	44.649	50.714	58.931	62.232	66.133	80.222	90.336	89.319	95.501	102.930	97.425	84.065	66.875	49.524
Rhode Island	RI				14.307	23.893	46.398	56.626	65.000	67.417	88.447	98.008	93.938	82.546	99.070	95.962	93.605	54.275	56.779	56.342	44.892
South Carolina	SC		2.566	8.679	9.072	18.402	21.797	26.714	28.977	30.841	34.756	33.648	43.858	41.576	47.154	45.978	52.371	40.713	36.838	24.033	17.501
South Dakota	SD				17.105	20.786	28.029	29.583	39.508	33.651	39.141	33.419	41.286	50.544	48.721	50.266	43.881	51.512	38.088	19.404	20.939
Tennessee	TN		2.890	3.969	7.338	16.273	23.849	28.723	30.696	36.834	41.682	42.845	47.799	49.227	47.612	48.737	49.272	39.826	33.211	24.108	15.536
Texas	TX	0.611	5.106	7.673	9.543	21.181	31.577	37.250	41.347	45.343	50.844	52.905	57.220	61.820	58.589	61.363	63.217	58.619	43.526	28.849	16.169
Utah	UT		3.860	7.023	10.398	22.792	35.420	45.095	55.506	56.445	50.282	51.085	51.789	48.489	50.359	57.230	55.047	44.413	31.087	18.157	13.965
Vermont	VT
Virginia	VA		5.821	9.303	13.923	25.873	41.556	43.126	55.784	54.124	63.730	68.865	71.520	81.822	83.179	78.837	69.779	68.363	48.393	23.958	13.390
Washington	WA		2.163	13.866	16.750	29.186	42.504	56.515	59.599	57.205	63.190	68.638	62.028	77.075	72.601	62.812	61.204	54.795	39.136	28.870	19.709
West Virginia	WV				9.516	12.268	15.353	26.217	22.383	29.502	31.661	37.590	43.415	37.114	45.378	51.761	58.253	56.785	24.839
Wisconsin	WI				14.530	27.350	48.325	55.685	63.410	69.581	67.577	73.466	76.626	80.208	83.790	83.086	83.826	78.614	44.832	31.363	21.554
Wyoming	WY				9.254	25.978	28.311	52.100	40.167	31.332	65.485	47.725	53.233	51.184	81.555	67.168	50.695	55.601	34.328