Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota

A · Identity

Official name (Federal Register)

Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota 91 FR 4102 (Jan. 30, 2026)

State(s)

South Dakota

BIA region

Great Plains

BIA agency office

Lower Brule Agency

Headquarters

187 Oyate Circle, Lower Brule, South Dakota 57548

Website

lowerbrulesiouxtribe.com

B · Governance

Election cycle

Next election: 09/2022 (per BIA TLD)

Current leadership

Boyd I. Gourneau — Chairman

C · Charter & Corporate Entities

No chartered entities on record yet.

D · Economic Development Profile

No economic profile data on record yet.

E · History & Context

No narrative on record yet.

F · Validated Sourcing

✓Federal Register2026-07-18 ✓BIA Tribal Leaders Directory2026-07-21

Record last verified 2026-07-18. Nothing enters this record without a source.