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  <xs:element name="LoansHeldForSaleAggregateUnpaidPrincipalBalanceFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="spfi_LoansHeldForSaleAggregateUnpaidPrincipalBalanceFairValueDisclosure"/>
  <xs:element name="NumberOfCompanySharesReceivedForEachShareOfBOHHoldingsShareHeld" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_NumberOfCompanySharesReceivedForEachShareOfBOHHoldingsShareHeld"/>
  <xs:element name="BOHHoldingsIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_BOHHoldingsIncMember"/>
  <xs:element name="BOHMergerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_BOHMergerMember"/>
  <xs:element name="BankSubsidiaryMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_BankSubsidiaryMember"/>
  <xs:element name="CBProvenceLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CBProvenceLLCMember"/>
  <xs:element name="CBTBrushyCreekLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CBTBrushyCreekLLCMember"/>
  <xs:element name="CBTPropertiesLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CBTPropertiesLLCMember"/>
  <xs:element name="CityBankMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CityBankMember"/>
  <xs:element name="CollateralDiscountsAndSellingCostsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CollateralDiscountsAndSellingCostsMember"/>
  <xs:element name="CommercialAndConstructionRealEstatePortfolioSegmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CommercialAndConstructionRealEstatePortfolioSegmentMember"/>
  <xs:element name="CommercialGeneralLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CommercialGeneralLoansMember"/>
  <xs:element name="CommercialSpecializedLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_CommercialSpecializedLoansMember"/>
  <xs:element name="ConsumerOneToFourFamilyResidentialLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_ConsumerOneToFourFamilyResidentialLoansMember"/>
  <xs:element name="ConsumerOtherLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_ConsumerOtherLoansMember"/>
  <xs:element name="EmployeeStockPurchasePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_EmployeeStockPurchasePlanMember"/>
  <xs:element name="EquityIncentivePlan2019Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_EquityIncentivePlan2019Member"/>
  <xs:element name="FinancingReceivables30To89DaysPastDueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_FinancingReceivables30To89DaysPastDueMember"/>
  <xs:element name="MortgageBankingDerivativesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_MortgageBankingDerivativesMember"/>
  <xs:element name="MortgageForwardContractsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_MortgageForwardContractsMember"/>
  <xs:element name="NonBankSubsidiaryMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_NonBankSubsidiaryMember"/>
  <xs:element name="NonOwnerOccupiedRealEstateMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_NonOwnerOccupiedRealEstateMember"/>
  <xs:element name="O2026Q2DividendsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_O2026Q2DividendsMember"/>
  <xs:element name="OtherCollateralMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_OtherCollateralMember"/>
  <xs:element name="OtherNoninterestExpenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_OtherNoninterestExpenseMember"/>
  <xs:element name="PaymentDelayAndInterestRateReductionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_PaymentDelayAndInterestRateReductionMember"/>
  <xs:element name="PaymentDelayTermExtensionAndInterestRateReductionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_PaymentDelayTermExtensionAndInterestRateReductionMember"/>
  <xs:element name="RuidosoRetailIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_RuidosoRetailIncMember"/>
  <xs:element name="SouthPlainsFinancialCapitalTrustsSPFCTIIIVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_SouthPlainsFinancialCapitalTrustsSPFCTIIIVMember"/>
  <xs:element name="SubordinatedDebtSecuritiesIssuedInDecember2018Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_SubordinatedDebtSecuritiesIssuedInDecember2018Member"/>
  <xs:element name="SubordinatedDebtSecuritiesIssuedInSeptember292020Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_SubordinatedDebtSecuritiesIssuedInSeptember292020Member"/>
  <xs:element name="TermExtensionAndPaymentDelayMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_TermExtensionAndPaymentDelayMember"/>
  <xs:element name="ThirdPartyAppraisalsOrInspectionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_ThirdPartyAppraisalsOrInspectionsMember"/>
  <xs:element name="AssetsLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_AssetsLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract"/>
  <xs:element name="FairValueOfAssetsMeasuredOnNonRecurringBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_FairValueOfAssetsMeasuredOnNonRecurringBasisAbstract"/>
  <xs:element name="InterestIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_InterestIncomeAbstract"/>
  <xs:element name="ProceedsFromPaymentsToSaleAndMaturityOfDebtSecuritiesAvailableForSaleAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_ProceedsFromPaymentsToSaleAndMaturityOfDebtSecuritiesAvailableForSaleAbstract"/>
  <xs:element name="SecuritiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_SecuritiesAbstract"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="spfi_DocumentAndEntityInformationAbstract"/>
</xs:schema>
