Number and percentage of children served under Individuals with Disabilities Education Act (IDEA), Part B, by age group and state or jurisdiction: Selected school years, 1990-91 through 2022-23

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Table 204.70.Number and percentage of children served under Individuals with Disabilities Education Act (IDEA), Part B, by age group and state or jurisdiction: Selected school years, 1990-91 through 2022-23
State or jurisdiction	3- to 21-year-olds served																3- to 5-year-olds served (including 5-year-olds not yet in kindergarten)¹
State or jurisdiction	1990-91	2000-01	2010-11	2015-16	2018-19		2019-20		2020-21		2021-22		2022-23	As a percent of public school enrollment, 2022-23		Percent change in number served, 2000-01 to 2022-23	1990-91	2000-01	2010-11	2015-16	2018-19		2019-20		2020-21	2021-22		2022-23
1	2	3	4	5	6		7		8		9		10	11		12	13	14	15	16	17		18		19	20		21
United States	4,710,089	6,295,816	6,434,916	6,676,974	7,134,248		7,281,881		7,182,916		7,259,425		7,525,941	15.2		19.5	389,751	592,087	723,738	746,499	818,575		723,726		494,888	472,622		527,163
Alabama	94,601	99,828	82,286	84,278	93,472		96,429		95,189		94,889		99,921	13.3		0.1	7,154	7,554	7,492	7368	8,036		8472		3,877	4,246		4,669
Alaska	14,390	17,691	18,048	18,390	19,479		19,473		18,941		18,966		19,368	14.8		9.5	1,458	1,637	2,104	2115	2,477		2474		1,181	1,033		1,103
Arizona	56,629	96,442	125,816	132,592	144,812		148,121		144,814		145,834		149,811	13.2		55.3	4,330	9,144	14,756	15328	16,746		10552		8,537	8,115		8,824
Arkansas	47,187	62,222	64,881	68,178	74,863		76,483		75,267		77,744		80,226	16.3		28.9	4,626	9,376	13,034	12981	13,497		10144		8,723	9,469		9,925
California	468,420	645,287	672,174	727,718	788,268		754,502		773,183		780,599		805,289	13.6	²	24.8	39,627	57,651	72,404	78610	86,456		50582		62,112	41,751		47,017
Colorado	56,336	78,715	84,710	95,101	105,186		109,276		106,887		109,008		113,289	13.0		43.9	4,128	8,202	11,797	12774	14,471		15029		8,182	8,263		9,108
Connecticut	63,886	73,886	68,167	75,030	82,336		85,010		84,155		86,103		88,635	17.3		20.0	5,466	7,172	7,933	8691	9,785		6406		5,762	5,921		6,709
Delaware	14,208	16,760	18,608	20,742	24,382		26,060		24,672		26,355		27,502	19.4		64.1	1,493	1,652	2,123	2030	2,801		3263		2,084	2,138		2,361
District of Columbia	6,290	10,559	11,947	12,258	14,113		14,927		14,977		14,319		15,126	16.6		43.3	411	374	957	1471	1,895		2146		1,211	1,021		1,376
Florida	234,509	367,335	368,808	372,476	405,796		420,515		409,257		420,679		432,391	15.1		17.7	14,883	30,660	36,027	39359	42,076		42980		20,664	21,367		23,219
Georgia	101,762	171,292	177,544	202,314	219,111		225,610		222,620		224,052		230,363	13.2		34.5	7,098	16,560	15,911	18201	18,661		11271		9,348	9,318		10,161
Hawaii	12,705	23,951	19,716	19,223	19,592		20,125		20,017		19,655		19,920	11.7		-16.8	809	1,919	2,398	2444	2,555		2704		1,988	1,839		1,880
Idaho	21,703	29,174	27,388	29,718	34,310		35,846		35,536		36,871		38,298	12.1		31.3	2,815	3,591	3,596	3331	3,866		4106		2,372	2,303		2,211
Illinois	236,060	297,316	302,830	296,784	297,960		300,356		291,371		289,165		295,261	15.9		-0.7	22,997	28,787	36,488	37878	38,046		37946		22,904	22,755		25,336
Indiana	112,949	156,320	166,073	171,368	178,511		182,135		180,789		182,496		188,078	18.2		20.3	7,243	15,101	18,725	18049	18,914		19622		12,390	12,695		14,015
Iowa	59,787	72,461	68,501	63,822	67,990		69,673		69,295		70,196		71,801	14.0		-0.9	5,421	5,580	7,378	6226	7,429		7831		4,285	4,214		4,836
Kansas	44,785	61,267	66,873	70,762	75,511		77,559		76,283		78,273		81,063	16.6		32.3	3,881	7,728	10,604	11387	12,105		9091		7,795	7,808		8,442
Kentucky	78,853	94,572	102,370	99,283	106,158		108,475		105,779		104,938		109,749	16.6		16.0	10,440	16,372	17,963	17044	18,232		18546		10,225	10,430		11,674
Louisiana	72,825	97,938	82,943	84,221	86,829		89,121		86,582	³	86,243	⁴	96,916	13.5		-1.0	6,703	9,957	10,427	10430	10,484		10921		8,382	8,382	³	6,648
Maine	27,987	35,633	32,261	32,531	34,382		35,020		34,482		34,883		35,828	20.6		0.5	2,895	3,978	3,824	3512	3,642		2397		2,493	2,243		2,399
Maryland	88,017	112,077	103,490	105,440	110,563		113,714		110,944		109,574		114,732	12.9		2.4	7,163	10,003	12,875	13473	14,645		15526		10,083	9,161		10,773
Massachusetts	149,743	162,216	167,526	168,199	176,627		179,634		175,548		177,582		182,105	19.7		12.3	12,141	14,328	16,662	16802	18,377		18906		10,573	10,397		12,184
Michigan	166,511	221,456	218,957	197,316	199,794		199,147		193,592		194,055		199,856	13.9		-9.8	14,547	19,937	23,183	20573	22,073		20594		12,202	11,312		12,406
Minnesota	79,013	109,880	122,850	128,218	141,454		145,888		144,492		145,936		151,845	17.5		38.2	8,646	11,522	15,076	15843	18,353		19196		11,921	11,627		12,992
Mississippi	60,872	62,281	64,038	66,799	69,433		70,329		67,162		67,572		69,280	15.7		11.2	5,642	6,944	10,191	8660	8,261		8391		3,914	3,821		3,973
Missouri	101,166	137,381	127,164	126,328	132,286		132,638		126,064		125,588		127,376	14.3		-7.3	4,100	11,307	15,891	17123	18,253		12606		10,155	10,637		11,722
Montana	16,955	19,313	16,761	17,387	19,380		19,645		19,156		20,014		21,112	14.0		9.3	1,751	1,635	1,656	1592	1,722		1047		870	773		820
Nebraska	32,312	42,793	44,299	47,795	52,005		52,774		52,050		53,069		55,212	16.8		29.0	2,512	3,724	5,050	5557	6,551		6731		4,189	4,218		4,668
Nevada	18,099	38,160	48,148	55,452	60,120		63,828		62,000		61,639		64,032	13.2		67.8	1,401	3,676	6,947	8838	8,443		8787		3,830	3,513		4,305
New Hampshire	19,049	30,077	29,920	28,806	29,920		30,400		29,199		30,309		30,917	18.3		2.8	1,468	2,387	3,135	3335	3,677		3809		2,139	1,936		2,213
New Jersey	178,870	221,715	232,002	232,401	241,063		246,693		237,344		238,371		243,035	17.6		9.6	14,741	16,361	17,073	18674	20,701		14851		13,441	13,038		14,715
New Mexico	36,000	52,256	46,628	49,667	53,996		54,147		53,786		54,073		56,195	17.8		7.5	2,210	4,970	5,224	4245	6,607		3817		3,475	2,930		3,347
New York	307,366	441,333	454,542	499,551	530,702		540,245		532,943		522,078		524,993	20.7		19.0	26,266	51,665	64,923	67067	73,348		75084		40,837	40,172		45,966
North Carolina	122,942	173,067	185,107	198,808	201,658		203,848		193,809		195,269		202,310	13.1		16.9	10,516	17,361	18,433	19070	20,111		20909		10,239	10,810		12,600
North Dakota	12,294	13,652	13,170	13,953	15,902		16,438		16,483		17,049		17,654	14.9		29.3	1,164	1,247	1,714	1972	2,343		2492		1,715	1,644		1,754
Ohio	205,440	237,643	259,454	253,896	271,090		275,267		270,977		272,884		278,916	16.6		17.4	12,487	18,664	22,454	21897	26,419		27487		19,007	19,630		22,004
Oklahoma	65,457	85,577	97,250	108,459	115,289		116,875		115,219		117,468		120,920	17.2		41.3	5,163	6,393	8,298	9023	10,309		10054		4,796	4,982		5,030
Oregon	54,422	75,204	81,050	84,517	89,125		91,493		87,040		85,559		87,648	15.2	²	16.5	2,854	6,926	9,392	10374	11,693		9009		7,258	6,845		7,650
Pennsylvania	214,254	242,655	295,080	303,633	327,908		339,283		338,713		342,947		357,917	21.1		47.5	17,982	21,477	31,072	33022	37,012		30533		29,953	28,317		31,962
Rhode Island	20,646	30,727	25,332	23,515	24,170		24,548		23,949		23,846		24,650	17.9		-19.8	1,682	2,614	2,945	3022	3,235		2350		2,084	2,135		2,441
South Carolina	77,367	105,922	100,289	101,776	106,521		108,932		106,315		109,492		112,142	14.2		5.9	7,948	11,775	11,083	9432	9,792		10399		4,950	5,762		6,623
South Dakota	14,726	16,825	18,026	19,527	21,712		22,175		21,763		22,305		23,232	16.4		38.1	2,105	2,286	2,738	2627	2,923		3039		1,884	1,851		1,833
Tennessee	104,853	125,863	120,263	129,386	130,229		131,408		125,097		127,179		132,339	13.1		5.1	7,487	10,699	13,096	12905	14,592		14958		8,308	8,960		10,293
Texas	344,529	491,642	442,019	463,238	532,185		588,317		605,351		635,340		703,058	12.7		43.0	24,848	36,442	41,494	43787	53,750		35112		29,913	29,975		35,760
Utah	46,606	53,921	70,278	79,932	86,532		87,968		85,890		88,831		91,715	13.3		70.1	3,424	5,785	8,990	10007	10,741		7889		7,151	7,311		7,572
Vermont	12,160	13,623	13,936	13,903	14,911		15,555		15,154		15,313		15,471	18.5		13.6	1,097	1,237	1,762	1774	2,050		2128		1,361	1,235		1,365
Virginia	112,072	162,212	162,338	164,757	175,450		179,481		174,043		172,635		177,836	14.1		9.6	9,892	14,444	17,081	16755	18,807		19653		10,584	10,591		12,471
Washington	83,545	118,851	127,978	135,757	147,628		152,495		147,202		146,751		151,949	13.9		27.8	9,558	11,760	14,275	15361	17,140		18256		10,150	9,565		10,819
West Virginia	42,428	50,333	45,007	45,297	47,183		47,278		45,846		46,661		46,973	18.7		-6.7	2,923	5,445	5,607	5004	5,245		5142		3,093	3,491		3,557
Wisconsin	85,651	125,358	124,722	120,864	120,864	⁵	120,864	⁵	120,348		122,844		125,334	15.2		0.0	10,934	14,383	16,079	16089	16,089	⁵	16089	⁵	8,152	8,449		9,152
Wyoming	10,852	13,154	15,348	15,608	15,487		15,858		15,341		15,924		16,352	17.7		24.3	1,221	1,695	3,398	3367	3,139		2399		2,146	2,223		2,280
Bureau of Indian Education	6,997	8,448	6,801	6,309	6,754		7,023		5,844		5,484		5,651	15.4		-33.1	1,092	338	396	266	240		9		4	0		0
Other jurisdictions	38,986	70,670	131,847	131,127	110,100		110,340		103,841		96,289		98,853	36.6		39.9	3,892	8,168	14,505	16920	12,284		8736		7499	7,137		8,229
American Samoa	363	697	935	666	561		584		544		535		462	---		-33.7	48	48	142	50	56		64		41	28		25
Federated States of Micronesia	---	---	---	2,047	1,761		1,754		1,734		1,663		1,620	---		---	---	---	---	133	72		131		25	21		26
Guam	1,750	2,267	2,003	2,036	1,929		1,854		1,783		1,754		1,699	---		-25.1	198	205	165	159	149		148		88	102		116
Marshall Islands	---	---	---	812	603		645		718		721		726	---		---	---	---	---	44	9		25		7	5		3
Northern Marianas	411	569	944	886	964		992		978		1,007		1,036	11.1		82.1	211	53	104	93	108		78		79	79		91
Palau	---	131	---	97	81		90		97		105		95	---		-27.5	---	10	---	6	1		6		14	10		4
Puerto Rico	35,129	65,504	126560	123,376	103,137		103,318		96,919		89,491		92,293	36.8		40.9	3,345	7,746	13,952	16303	11,799		8206		7167	6,825		7,884
U.S. Virgin Islands	1,333	1,502	1,405	1,207	1,064		1,103		1,068		1,013		922	9.1		-38.6	90	106	142	132	90		78		78	67		80
---Not available.
¹Data for 3- to 5-year-olds prior to 2019-20 include 5-year-olds in kindergarten. In 2019-20, states/entities had the option of reporting 5-year-olds in kindergarten in either the 3- to 5-year-old age group or the 5- to 21-year-old age group. Starting in 2020-21, states/entities were required to report 5-year-olds in kindergarten in the 5- to 21-year-old age group.
²Includes imputations for nonreported prekindergarten enrollment.
³Data for 5- to 21-year-olds are for 2019-20 instead of 2020-21 because 2020-21 data for this age group were not available for this state.
⁴Data for 3- to 5-year-olds are for 2020-21 instead of 2021-22 because 2021-22 data for this age group were not available for this state.
⁵Data for 3- to 21-year-olds are for 2015-16 because 2018-19 and 2019-20 data were not available for this state.
NOTE: Prior to October 1994, children and youth with disabilities were served under Chapter 1 of the Elementary and Secondary Education Act (ESEA) as well as under the Individuals with Disabilities Education Act (IDEA), Part B. Data reported in this table for 1990-91 include children ages 0-21 served under Chapter 1 of ESEA.
SOURCE: U.S. Department of Education, Office of Special Education Programs, Annual Report to Congress on the Implementation of the Individuals with Disabilities Education Act, selected years, 1992 through 2006; and Individuals with Disabilities Education Act (IDEA) database, retrieved October 13, 2023, from https://data.ed.gov/dataset/idea-section-618-state-part-b-child-count-and-educational-environments/resources. National Center for Education Statistics, Common Core of Data (CCD), "State Nonfiscal Survey of Public Elementary/Secondary Education," 2022-23. (This table was prepared December 2023.)

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