Getting Text and Values in a COMBOBOX in C#

I am trying to create a COMBOBOX from SQL, and I can populate the box with the text from one column, but I need to also keep the values associated with that data element to feed a second SQL select in another COMBOBOX.

Example:  When you select a state (Maine) I want to pass the FIPS code (ID from the DB) to the next SQL statement to run another SQL query.  How can I do this?
 

sqlConn.Open();
            SqlDataAdapter sqlFIPSAdapter = new SqlDataAdapter("SELECT DISTINCT State_FIPS_ID, State_Name " +
                                                               "FROM FIPS_Table " +
                                                               "ORDER BY State_Name;", sqlConn);
            DataTable dtFIPS = new DataTable();
            sqlFIPSAdapter.Fill(dtFIPS);
            cb_State.DisplayMember = "State_Name";
            cb_State.ValueMember = "State_FIPS_ID";
            foreach (DataRow dr in dtFIPS.Rows)
            {
                cb_State.Items.Add(dr[1]);
            }
            this.cb_State.Text = "<Select a State>";
            sqlConn.Close();

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