But many engaged couples trump that cost -- some more than double -- in some cities and states across the nation.

Couples in Manhattan spend an average of nearly $87,000 to tie the knot -- almost triple the national average.

Lovebirds in Long Island, Philadelphia and Boston spend a lot too. Those three cities made the top 15 in The Knot's list of the 25 most expensive places to get married in America.

Here is the complete list and the average cost of a wedding in each city or state:

1. Manhattan -- $86,916
2. Long Island -- $57,343
3. North and Central New Jersey -- $51,287
4. Chicago -- $48,449
5. New York City Outer Boroughs -- $48,449
6. Santa Barbara and Ventura, California --  $44,214
7. Rhode Island -- $42,469
8. Westchester and Hudson Valley, New York -- $42,444
9. Connecticut -- $41,745
10. Philadelphia -- $40,350
11. Los Angeles -- $38,735
12. South New Jersey -- $38,620
13. Washington, D.C., northern Virginia and suburban Maryland -- $37,487
14. Southern Florida, including Miami, Fort Lauderdale and surrounding areas -- $37,210
15. Boston -- $35,512
16. Houston -- $35,475
17. Louisiana -- $35,008
18. Lehigh Valley and Poconos, Pennsylvania -- $34,488
19. San Francisco -- $33,836
20. Orange County and Inland Empire, California -- $32,021
21. Baltimore -- $31,964
22. Chicago suburbs -- $31,489
23. Detroit -- $31,044
24. San Diego -- $30,885
25. Maine -- $29,854

The wedding site broke down the budgets of weddings with information gathered from 18,000 brides and grooms married in 2015 and found that the most money is generally spent on the wedding venue, the engagement ring and the reception band respectively.