Smiling mom holds her young blonde daughter on her hip, standing on a gravel road on their farm outside Mayville, ND

More to Love in 
Mayville-Portland.

Kind neighbors. Growing families. Strong businesses. From the pizza to the parks, come see why we’ve loved being part of the Mayville-Portland community since 1970.

Smiling blonde woman in a gold sweater, making a peace sign on her way to open a new checking account in Mayville, ND.

$250 Checking Offer1
Only September 17 – 18!

Receive $2501 when you stop in and open a new checking account with us for the first time – exclusively at our Mayville location.

Come on Over
Exterior view of Gate City Bank's welcoming location at 11 1st Street SE in Mayville, ND

Oh Hello, Neighbor!

Come on over to your friendly neighborhood bank, located in the heart of Mayville, ND. We’d love to give you a warm welcome!

See Map & Hours
Main Street view by the railroad crossing in downtown Mayville, ND

“For many years, I have told the tellers how I love Gate City Bank. Everyone has always been friendly, and the coffee pot is always on. I appreciate that they hire local people, too.”

– Arlie S., Mayville, ND

Happy boy in baseball cap, sitting in a grain truck on his family farm outside of Portland, ND

Come see how we’re investing in the future of Mayville‑Portland.

See News Stories

58257 by the Numbers.

#1
Mortgage Lender
in ND
54
Years and Counting
in Mayville
#1
Most Popular Bank in ND (Bankrate)
Collage of May-Port CG Public Schools and Mayville State University debit cards from Gate City Bank

Let's Go, Patriots and Comets!

Cheer on your home team with your debit card! We’ll donate $10 to support your favorite local school, including May-Port CG Public Schools and Mayville State University.

Order My Card

Homegrown Banking With Heart.

Volunteers call bingo on a machine donated in part by a Gate City Bank donation at Luther Memorial Home in Mayville, ND.

Luther Memorial Home

Luther Memorial Home in Mayville, ND, received a much‑needed bingo machine thanks in part to a Gate City Bank donation. The upgrade is enriching activities and improving quality of life for residents.

Giggling girl surrounded by red heart-shaped confetti, celebrating Giving Hearts Day in Fargo, ND

Giving Hearts Day

Since 2014, we’ve been honored to partner with Dakota Medical Foundation – donating countless volunteer hours and dollars to benefit local charities across North Dakota and Minnesota.

Military service member in Fargo hugs his two kids, while his wife tries to hold back tears in their home purchased with a VA loan

Military Banking

We’re proud to serve our nation’s finest. Learn about our long history of honoring service members and their loved ones through VA loans, veteran charities and military support.

1 Offer valid September 17-18, 2026. Not valid with other checking offers. Customer must be a first-time Gate City Bank checking customer and at least 10 years of age, and account must be opened in person at the Mayville Gate City Bank location. $250 will be deposited into qualifying accounts by November 18, 2026; recipients will receive a 1099-INT or 1042-S form. Account must be open and maintain a positive balance to receive the credit. $50 minimum deposit to open, and $250 bonus does not count toward minimum deposit. Gate City Bank reserves the right to decline opening an account based on account opening criteria, type of referral source or applications opened outside of North Dakota and Minnesota.