<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001782021</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001520697</issuerCik>
      <issuerName>Acadia Healthcare Company, Inc.</issuerName>
      <secFileNumber>001-35331</secFileNumber>
      <issuerAddress>
        <com:street1>6100 TOWER CIRCLE</com:street1>
        <com:street2>SUITE 1000</com:street2>
        <com:city>FRANKLIN</com:city>
        <com:stateOrCountry>TN</com:stateOrCountry>
        <com:zipCode>37067</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>615-861-6000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Hollinsworth John S.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch </name>
        <address>
          <com:street1>1152 15th St NW</com:street1>
          <com:street2>Suite 6000</com:street2>
          <com:city>Washington</com:city>
          <com:stateOrCountry>DC</com:stateOrCountry>
          <com:zipCode>20005</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>20000</noOfUnitsSold>
      <aggregateMarketValue>1060339.17</aggregateMarketValue>
      <noOfUnitsOutstanding>92867210</noOfUnitsOutstanding>
      <approxSaleDate>08/30/2024</approxSaleDate>
      <securitiesExchangeName>nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/21/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>NA</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
      <paymentDate>08/30/2024</paymentDate>
      <natureOfPayment>Company Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Hollinsworth </name>
        <address>
          <com:street1>108 Goverors Way</com:street1>
          <com:city>Brentwood</com:city>
          <com:stateOrCountry>TN</com:stateOrCountry>
          <com:zipCode>37027</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/29/2024</saleDate>
      <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
      <grossProceeds>812065.18</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/30/2024</noticeDate>
      <signature>John Hollinsworth</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
