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Resources by state

Autism resources by state

Every state and DC has its own hub: where to start with early intervention, school evaluations, Medicaid, and free rights help — with key numbers from named public sources. City guides nest under their state.

How we use numbers

State figures come from primary public sources — U.S. Census child population and U.S. Department of Education IDEA Section 618 child counts. A number appears on a hub only once its source can be named, and city pages never invent local figures.

The short answer

  • Pick your state above for official Part C early intervention, state education agency, Medicaid, and Protection & Advocacy entry points.
  • Numbers on each hub are Census ages 0–17 and IDEA §618 served counts (when published) — not modeled autism totals from national rates.
  • Federal IDEA rights apply everywhere; how you open the door (program names, phones, waivers) is state-specific and verified on each hub.

Compare states (verified fields)

Compare states on verified child population and a published-access checklist. Do not compare invented autism headcounts — we do not publish them.

Sort by
StateChildren 0–17 (Census)IDEA Autism ages 3–21 (SY 2022–23)Access checklistMedicaid expansion
ArizonaAZ1,583,026Vintage 202317,409OSEP §618 served count · not full census100%Stronger published access pathYes
ArkansasAR705,607Vintage 20237,109OSEP §618 served count · not full census100%Stronger published access pathYes
CaliforniaCA8,445,535Vintage 2023149,127OSEP §618 served count · not full census100%Stronger published access pathYes
ColoradoCO—Being re-checked—Being re-checked100%Stronger published access pathYes
ConnecticutCT722,986Vintage 202312,566OSEP §618 served count · not full census100%Stronger published access pathYes
DelawareDE211,937Vintage 20233,650OSEP §618 served count · not full census100%Stronger published access pathYes
District of ColumbiaDC126,592Vintage 20232,040OSEP §618 served count · not full census100%Stronger published access pathYes
HawaiiHI293,613Vintage 20232,428OSEP §618 served count · not full census100%Stronger published access pathYes
IdahoID467,342Vintage 20234,352OSEP §618 served count · not full census100%Stronger published access pathYes
IllinoisIL2,705,462Vintage 202332,888OSEP §618 served count · not full census100%Stronger published access pathYes
IndianaIN1,587,254Vintage 202318,728OSEP §618 served count · not full census100%Stronger published access pathYes
IowaIA730,122Vintage 2023—Not in parsed file / suppressed100%Stronger published access pathYes
KentuckyKY1,016,893Vintage 202310,916OSEP §618 served count · not full census100%Stronger published access pathYes
LouisianaLA1,067,148Vintage 20238,671OSEP §618 served count · not full census100%Stronger published access pathYes
MaineME249,052Vintage 20234,792OSEP §618 served count · not full census100%Stronger published access pathYes
MarylandMD1,361,916Vintage 202316,054OSEP §618 served count · not full census100%Stronger published access pathYes
MassachusettsMA1,341,801Vintage 202328,667OSEP §618 served count · not full census100%Stronger published access pathYes
MichiganMI2,111,911Vintage 202323,742OSEP §618 served count · not full census100%Stronger published access pathYes
MinnesotaMN1,300,934Vintage 202324,241OSEP §618 served count · not full census100%Stronger published access pathYes
NebraskaNE480,998Vintage 20235,599OSEP §618 served count · not full census100%Stronger published access pathYes
NevadaNV685,956Vintage 202310,977OSEP §618 served count · not full census100%Stronger published access pathYes
New HampshireNH252,050Vintage 20233,456OSEP §618 served count · not full census100%Stronger published access pathYes
New JerseyNJ2,010,282Vintage 202326,496OSEP §618 served count · not full census100%Stronger published access pathYes
New MexicoNM451,345Vintage 20235,050OSEP §618 served count · not full census100%Stronger published access pathYes
New YorkNY3,959,906Vintage 202359,655OSEP §618 served count · not full census100%Stronger published access pathYes
North CarolinaNC2,336,580Vintage 202327,979OSEP §618 served count · not full census100%Stronger published access pathYes
North DakotaND184,734Vintage 20231,889OSEP §618 served count · not full census100%Stronger published access pathYes
OregonOR831,830Vintage 202312,644OSEP §618 served count · not full census100%Stronger published access pathYes
PennsylvaniaPA2,629,005Vintage 202347,997OSEP §618 served count · not full census100%Stronger published access pathYes
South DakotaSD221,898Vintage 20232,071OSEP §618 served count · not full census100%Stronger published access pathYes
UtahUT933,151Vintage 20238,290OSEP §618 served count · not full census100%Stronger published access pathYes
VirginiaVA1,881,489Vintage 202327,571OSEP §618 served count · not full census100%Stronger published access pathYes
WashingtonWA1,648,066Vintage 202320,102OSEP §618 served count · not full census100%Stronger published access pathYes
West VirginiaWV352,212Vintage 20233,391OSEP §618 served count · not full census100%Stronger published access pathYes
AlaskaAK175,506Vintage 20231,903OSEP §618 served count · not full census86%Stronger published access pathYes
MissouriMO1,374,429Vintage 202316,027OSEP §618 served count · not full census86%Stronger published access pathYes
MontanaMT235,650Vintage 20231,224OSEP §618 served count · not full census86%Stronger published access pathYes
OhioOH—Being re-checked—Being re-checked86%Stronger published access pathYes
OklahomaOK966,581Vintage 20239,464OSEP §618 served count · not full census86%Stronger published access pathYes
Rhode IslandRI203,838Vintage 20232,732OSEP §618 served count · not full census86%Stronger published access pathYes
VermontVT114,636Vintage 20231,261OSEP §618 served count · not full census86%Stronger published access pathYes
AlabamaAL1,130,824Vintage 202310,929OSEP §618 served count · not full census71%Mixed published access pathNo
FloridaFL4,380,826Vintage 202357,638OSEP §618 served count · not full census71%Mixed published access pathNo
KansasKS694,334Vintage 20235,889OSEP §618 served count · not full census71%Mixed published access pathNo
MississippiMS679,822Vintage 20236,653OSEP §618 served count · not full census71%Mixed published access pathNo
TennesseeTN1,570,724Vintage 202317,011OSEP §618 served count · not full census71%Mixed published access pathNo
TexasTX7,560,983Vintage 2023112,617OSEP §618 served count · not full census71%Mixed published access pathNo
WisconsinWI1,249,128Vintage 202315,409OSEP §618 served count · not full census71%Mixed published access pathNo
WyomingWY129,549Vintage 20231,183OSEP §618 served count · not full census71%Mixed published access pathNo
GeorgiaGA2,538,519Vintage 202329,444OSEP §618 served count · not full census57%Mixed published access pathNo
South CarolinaSC1,144,058Vintage 202313,121OSEP §618 served count · not full census57%Mixed published access pathNo

Data policy — only verified figures

  • Children ages 0–17. Summed from the U.S. Census Bureau Vintage 2023 SC-EST2023-AGESEX-CIV file (civilian population by single year of age). Primary source linked on every state page.
  • IDEA Autism ages 3–21. From U.S. Department of Education OSEP Section 618 Part B child count (SY 2022–23): children served under the Autism disability category. A served administrative count — not a full population census of every autistic child.
  • CDC ADDM 1 in 31. Quoted only as national monitoring-site context (2022, 16 sites, 8-year-olds). We do not multiply it by state population to invent a headcount.
  • Access checklist. Points only for fields with a cited source: ECTA Part C website / referral phone / referral URL; KFF Medicaid expansion status; presence of SEA, Medicaid, and P&A URLs in this catalog.
  • What is not on these pages. No estimated autism headcounts, no invented prevalence by state, no private clinic rankings. For IDEA special-education autism child counts, use OSEP Section 618 products from the U.S. Department of Education when you need that specific measure.
  • City pages. City guides nest under each state hub and list local intake contacts and resources. We only show a city number when a primary source exists for that place — and a resource's claims about itself are attributed to its own website and dated, never asserted by us.

Sources: Census SC-EST2023-AGESEX-CIV · CDC MMWR ADDM 2022 · ECTA Part C coordinator directory · KFF Medicaid expansion tracker · agency URLs on each hub.

How the systems fit together