<TABLE> <S> <C>
<ARTICLE> 9
<LEGEND>
This schedule contains information extracted from Allegiant Bancorp,
Inc.'s quarterly report on Form 10-Q for the quarter ended June 30, 2000
and is qualified in its entirety by reference to such report.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 22,042
<INT-BEARING-DEPOSITS> 573,481
<FED-FUNDS-SOLD> 0
<TRADING-ASSETS> 0
<INVESTMENTS-HELD-FOR-SALE> 54,394
<INVESTMENTS-CARRYING> 6,574
<INVESTMENTS-MARKET> 6,399
<LOANS> 703,765
<ALLOWANCE> 9,580
<TOTAL-ASSETS> 827,182
<DEPOSITS> 639,406
<SHORT-TERM> 86,490
<LIABILITIES-OTHER> 4,084
<LONG-TERM> 30,860
0
17,250
<COMMON> 66
<OTHER-SE> 49,026
<TOTAL-LIABILITIES-AND-EQUITY> 827,182
<INTEREST-LOAN> 30,683
<INTEREST-INVEST> 1,874
<INTEREST-OTHER> 41
<INTEREST-TOTAL> 32,598
<INTEREST-DEPOSIT> 13,677
<INTEREST-EXPENSE> 17,945
<INTEREST-INCOME-NET> 14,653
<LOAN-LOSSES> 1,565
<SECURITIES-GAINS> 173
<EXPENSE-OTHER> 10,506
<INCOME-PRETAX> 5,442
<INCOME-PRE-EXTRAORDINARY> 3,221
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 3,221
<EPS-BASIC> 0.527
<EPS-DILUTED> 0.524
<YIELD-ACTUAL> 9.00
<LOANS-NON> 744
<LOANS-PAST> 85
<LOANS-TROUBLED> 0
<LOANS-PROBLEM> 0
<ALLOWANCE-OPEN> 8,315
<CHARGE-OFFS> 332
<RECOVERIES> 32
<ALLOWANCE-CLOSE> 9,580
<ALLOWANCE-DOMESTIC> 0
<ALLOWANCE-FOREIGN> 0
<ALLOWANCE-UNALLOCATED> 0
</TABLE>