Interest and dividend income increased $2.2 million, or 3.6%, to $62.9 million for the six months ended June 30, 2025, from $60.7 million for the six months ended June 30, 2024, primarily due to a $2.3 million increase in interest on loans. The increase in interest on loans resulted primarily from an increase of $86.1 million in the average balance of loans to $2.22 billion for the six months ended June 30, 2025 from $2.14 billion for the six months ended June 30, 2024. The weighted average yield on loans increased to 5.18% for the six months ended June 30, 2025 compared to 5.15% for the six months ended June 30, 2024.
Average interest-earning assets increased $51.4 million, to $2.59 billion for the three months ended June 30, 2025, from $2.54 billion for the three months ended June 30, 2024. The yield on interest-earning assets increased to 4.93% for the three months ended June 30, 2025, from 4.89% for the three months ended June 30, 2024.
Average interest-earning assets increased $49.4 million, to $2.57 billion for the six months ended June 30, 2025, from $2.53 billion for the six months ended June 30, 2024. The yield on interest-earning assets increased to 4.93% for the six months ended June 30, 2025, from 4.84% for the six months ended June 30, 2024.
Interest Expense. Total interest expense decreased $1.3 million, or 10.7%, to $11.2 million for the three months ended June 30, 2025, from $12.6 million for the three months ended June 30, 2024. Interest expense on deposit accounts decreased $1.0 million, or 12.6%, to $7.2 million for the three months ended June 30, 2025, from $8.3 million for the three months ended June 30, 2024, due to a decrease in the weighted average rate on interest-bearing deposits to 1.69% for the three months ended June 30, 2025, from 2.05% for the three months ended June 30, 2024. Interest expense on Federal Home Loan Bank advances decreased $338 thousand, or 8.5%, to $3.6 million for the three months ended June 30, 2025, from $4.0 million for the three months ended June 30, 2024, due to a decrease in the average advances of $28.2 million between periods.
Total interest expense decreased $1.8 million, or 7.1%, to $23.1 million for the six months ended June 30, 2025, from $24.8 million for the six months ended June 30, 2024. Interest expense on Federal Home Loan Bank advances decreased $905 thousand, or 10.8%, to $7.4 million for the six months ended June 30, 2025, from $8.3 million for the six months ended June 30, 2024, due to a decrease in the average advances of $35.8 million between periods. Interest expense on deposit accounts decreased $900 thousand, or 5.7%, to $15.0 million for the six months ended June 30, 2025, from $15.9 million for the six months ended June 30, 2024, due to a decrease in the weighted average rate on interest-bearing deposits to 1.75% for the six months ended June 30, 2025, from 2.01% for the six months ended June 30, 2024.
Net Interest Income. Net interest income increased $2.3 million, or 12.6%, to $20.6 million for the three months ended June 30, 2025, from $18.3 million for the three months ended June 30, 2024, primarily due to an increase in net interest margin to 3.19% for the three months ended June 30, 2025, from 2.90% for the three months ended June 30, 2024 and a $51.4 million increase in the average balance of interest-earning assets during the three months ended June 30, 2025. Net interest rate spread increased to 2.76%, for the three months ended June 30, 2025, compared to 2.38% for the three months ended June 30, 2024. The increase in net interest margin and spread was driven by an increase in the weighted average yield on interest earning assets combined with a decrease in the weighted average rate paid on interest-bearing liabilities to 2.17% for the three months ended June 30, 2025, from 2.51% for the three months ended June 30, 2024.
Net interest income increased $3.9 million, or 11.0%, to $39.8 million for the six months ended June 30, 2025, from $35.9 million for the six months ended June 30, 2024, primarily due to an increase in net interest margin to 3.12% for the six months ended June 30, 2025, from 2.86% for the six months ended June 30, 2024 and $49.4 million increase in the average balance of interest-earning assets during the six months ended June 30, 2025. Net interest rate spread increased to 2.70%, for the six months ended June 30, 2025, compared to 2.32% for the six months ended June 30, 2024. The increase in net interest margin and spread was driven by an increase in the weighted average yield on interest earning assets combined with a decrease in the weighted average rate paid on interest-bearing liabilities to 2.23% for the six months ended June 30, 2025, from 2.52% for the six months ended June 30, 2024.
Allowance for Credit Losses. Based on management’s analysis of the adequacy of allowance for credit losses, a credit loss expense of $1.1 million was recorded for the three months ended June 30, 2025, compared to a credit loss reversal of $320 thousand for the three months ended June 30, 2024.
A credit loss expense of $18.7 million was recorded for the six months ended June 30, 2025, compared to a provision of $310 thousand for the six months ended June 30, 2024. The $18.4 million increase is primarily due to the $16.7 million charge-off in the first quarter related to a land loan, as previously disclosed.
Non-interest Income. Non-interest income increased $1.8 million, or 52.3%, to $5.2 million for the three months ended June 30, 2025, from $3.4 million for the three months ended June 30, 2024. The increase was primarily due to the $1.3 million decrease in net loss on securities available for sale, from a loss of $78 thousand for the three months ended June 30,