<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/rega/onezfiler" xmlns:ns1="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>1-Z</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0001962911</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <successorFilingFlag>N</successorFilingFlag>
      </flags>
    </filerInfo>
  </headerData>
  <formData>
    <item1>
      <issuerName>INFINITY BANCORP</issuerName>
      <street1>6 HUTTON CENTRE</street1>
      <street2>SUITE 100</street2>
      <city>SANTA ANA</city>
      <stateOrCountry>CA</stateOrCountry>
      <zipCode>92707</zipCode>
      <phone>657-223-1000</phone>
      <commissionFileNumber>024-12158</commissionFileNumber>
    </item1>
    <summaryInfoOffering>
      <offeringQualificationDate>05-02-2023</offeringQualificationDate>
      <offeringCommenceDate>12-06-2023</offeringCommenceDate>
      <offeringSecuritiesQualifiedSold>800000</offeringSecuritiesQualifiedSold>
      <offeringSecuritiesSold>380000</offeringSecuritiesSold>
      <pricePerSecurity>12.5000</pricePerSecurity>
      <portionSecuritiesSoldIssuer>4750000.00</portionSecuritiesSoldIssuer>
      <portionSecuritiesSoldSecurityholders>0.00</portionSecuritiesSoldSecurityholders>
      <auditorSpName>Crowe LLP</auditorSpName>
      <auditorFees>47300.00</auditorFees>
      <legalSpName>Richard E. Knecht</legalSpName>
      <legalFees>25000.00</legalFees>
      <issuerNetProceeds>4639100.00</issuerNetProceeds>
      <clarificationResponses>Net proceeds is $4,750,000 less (a) fees from above of $72,300, (b) for EDGAR services of $26,100, (c) $2,500 filing fee paid to California DFPI, and (d) $10,000 estimated cost to be paid to Continental to issue the shares.</clarificationResponses>
    </summaryInfoOffering>
    <signatureTab>
      <cik>0001962911</cik>
      <regulationIssuerName1>INFINITY BANCORP</regulationIssuerName1>
      <regulationIssuerName2>INFINITY BANCORP</regulationIssuerName2>
      <signatureBy>/s/ Allison Duncan</signatureBy>
      <date>05-16-2024</date>
      <title>Chief Financial Officer</title>
    </signatureTab>
  </formData>
</edgarSubmission>
