Banks in Lemmon, SD

Bank branch map: Lemmon

Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.

Short answer: 3 banks and credit unions operate 3 locations in Lemmon, according to the FDIC and the NCUA. 3 of them have coordinates on record and are on the map. 1 publish opening hours.

Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.

All banks and credit unions in Lemmon

Sorted by number of local branches. Each branch shows where its hours and phone number come from.

Short answer: BMO and Dacotah Bank have the most locations in Lemmon, with 1 each. 2 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.

BMO BMO Bank National Association · 1 branch · main office Chicago, IL Bank · 1

BMO has 1 branch in Lemmon, 7 across South Dakota and 988 nationwide. FDIC records list its main office in Chicago, IL and show it operating since 1947. With $254.97 billion in total assets on June 30, 2026, it ranks No. 16 of 4,232 U.S. banks by total assets. The Lemmon Branch at 214 Main Ave dates to 1987 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• Lemmon Branch

  214 Main Ave, 57638

  Hours: see the bank's site
  DirectionsWebsite

BMO: profile, branches and contacts

Dacotah Bank 1 branch · main office Aberdeen, SD Bank · 1

Dacotah Bank has 1 branch in Lemmon, 21 across South Dakota and 32 nationwide. FDIC records list its main office in Aberdeen, SD and show it operating since 1955. With $4.92 billion in total assets on June 30, 2026, it ranks No. 292 of 4,232 U.S. banks by total assets. The 321 Main Street Branch at 321 Main Ave dates to 1920 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• 321 Main Street Branch

  321 Main Ave, 57638

  Hours: see the bank's site
  DirectionsWebsite

Dacotah Bank: profile, branches and contacts

Dakota Plains Credit Union 1 office · main office Lemmon, SD Credit union · 1

Dakota Plains Credit Union has 1 office in Lemmon, 4 across South Dakota. It is based in Lemmon, SD and $86.2 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.

Who can join: see the credit union's site.

• Main Office main office

  519 Main Ave, 57638

  (605) 374-3880Today 9 am to 4:30 pm

  All hours

  Mon to Fri 9 am to 4:30 pm; Sat to Sun not published

  Hours: NCUA, March 31, 2026

  Directions

Dakota Plains Credit Union: profile, branches and contacts

Join a credit union in Lemmon

1 credit union has 1 office here: Dakota Plains Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Lemmon page has every office in the state's directory.

Banking in Lemmon: the local picture

Short answer: 2 banks run 2 branches in Lemmon according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.

Of the 2 banks, 0 have their main office in Lemmon, 1 elsewhere in South Dakota and 1 out of state, according to the FDIC.

The bank with the longest record here is BMO, operating since 1947 according to the FDIC. In FDIC branch records, the longest-running branch is Dacotah Bank's office at 321 Main Ave, dating to 1920; the newest is BMO's at 214 Main Ave, from 1987.

The only credit union with an office here is Dakota Plains Credit Union.

Of the 1 location with published hours. None open on Saturday. 2 locations have no published hours in these sources.

Saturday hours in Lemmon

Short answer: None of the 1 Lemmon location with published hours lists Saturday hours. 2 locations do not publish hours in these sources; call ahead.

Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 2 of the 3 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.

Chase, Bank of America and other national banks

Which big national banks have branches in Lemmon, and where the nearest one is if they do not.

Short answer: In Lemmon: BMO (1). No branches in Lemmon: Chase (nearest in Sioux Falls, 313 mi), Wells Fargo (nearest in Mobridge, 88 mi), Bank of America, PNC Bank, U.S. Bank (nearest in Rapid City, 139 mi), Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank.

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Lemmon to the nearest branch in South Dakota.

What your savings could earn

National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.

Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.

Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Lemmon residents like anyone else.

Banks near Lemmon

Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.

Short answer: The closest towns with more choice are Mobridge (88 miles) and Belle Fourche (120 miles). Spearfish, 130 miles away, has the most banks nearby: 9.

Bank branch openings and closings in Lemmon

FDIC branch records, between September 5, 2025 and September 5, 2026.

Short answer: FDIC branch records show no bank branch openings in Lemmon between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Banks and credit unions based in Lemmon

Short answer: 1 institution has its main office in Lemmon: Dakota Plains Credit Union.

Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.

Largest banks in Lemmon by total assets

Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Lemmon offices.

Short answer: BMO is the largest bank with offices in Lemmon, with $254.97 billion in total assets on June 30, 2026, No. 16 among U.S. banks by total assets. Dacotah Bank is second with $4.92 billion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.

Banks in Lemmon: FAQ

How we build this page

Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.