South Dakota / AIANNHCE 1100 / Federally-recognized area

Flandreau

The full tribal profile includes the report map, demographic tables, broadband tables, FCC provider sections, and interactive charts.

100.0%25/3 availability

100.0%100/20 availability

0.0%1000/100 availability

11Fixed providers

Figure 1. Location of Flandreau within South Dakota, with boundary detail (inset).

About the Tribal Area

In South Dakota, this federally recognized tribe uses Flandreau Reservation as its main reservation, and it spans about 3.5 square miles. FCC BDC records show 11 fixed providers and 3 mobile providers serving roughly 180 service locations, with current availability of 100.0% at 25/3 Mbps, 100.0% at 100/20, and 97.6% at 1000/100.

Tribal Area Description

A federally recognized tribe in South Dakota, Flandreau is organized around tribal lands. The land base is relevant for broadband planning due to rural service coverage and middle-mile access constraints.

Website Summary: fsst-nsn.gov

The Home page for Flandreau functions as a community information page rather than a long-form tribal history. It emphasizes local contacts, community resources, and links to regional programs and services. The available content is oriented toward practical resources rather than a dedicated narrative profile for the tribe. The page includes sections on Government, Our Constitution, Judiciary, Attorney General, and Law Enforcement.

Table 1. Demographics

Indicator	2019	2020	2021	2022	2023	2024
Population	444	512	529	529	549	520
Households	163	191	173	178	184	192
Median age	29.1	34.0	32.4	29.8	30.1	35.8
Male / Female	49.5% / 50.5%	50.0% / 50.0%	51.6% / 48.4%	51.2% / 48.8%	55.2% / 44.8%	56.9% / 43.1%
Avg. household size	2.72	2.68	3.06	2.97	2.98	2.71
Pop. density (per sq mi)	128.2	147.8	152.7	152.7	158.5	150.1
HH density (per sq mi)	47.0	55.1	49.9	51.4	53.1	55.4

Table 2. Economic & Education

Indicator	2019	2020	2021	2022	2023	2024
Median household income	$41,250	$40,865	$43,958	$39,000	$46,667	$42,778
Per capita income	$25,865	$18,112	$21,073	$19,332	$20,506	$22,864
Poverty rate	34.5%	29.0%	28.8%	28.1%	23.8%	25.1%
Unemployment rate	7.4%	13.2%	8.3%	7.6%	11.2%	12.9%
HS diploma or higher	57.1%	60.5%	69.4%	69.0%	71.2%	65.1%
Bachelor's degree or higher	12.6%	12.1%	13.7%	13.0%	16.2%	16.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates. Queried by AIANNHCE code. Population and household density are calculated from Census population or households divided by land area in square miles.

Table 3. Download/Upload Speeds (Mbps)

Period	Download	Upload
2019Q1	62.5 Mbps	8.6 Mbps
2019Q2	18.8 Mbps	6.7 Mbps
2019Q3	30.6 Mbps	4.0 Mbps
2019Q4	46.3 Mbps	5.5 Mbps
2020Q1	44.5 Mbps	13.6 Mbps
2020Q2	48.7 Mbps	25.0 Mbps
2020Q3	55.6 Mbps	12.4 Mbps
2020Q4	18.0 Mbps	11.6 Mbps
2021Q1	111.0 Mbps	15.9 Mbps
2021Q2	257.1 Mbps	44.4 Mbps
2021Q3	5.3 Mbps	2.1 Mbps
2021Q4	50.1 Mbps	37.4 Mbps
2022Q1	0.0 Mbps	0.0 Mbps
2022Q2	0.0 Mbps	0.0 Mbps
2022Q3	0.0 Mbps	0.0 Mbps
2022Q4	89.6 Mbps	22.9 Mbps
2023Q1	32.8 Mbps	29.9 Mbps
2023Q2	276.3 Mbps	17.5 Mbps
2023Q3	39.3 Mbps	23.7 Mbps
2023Q4	0.0 Mbps	0.0 Mbps
2024Q1	0.0 Mbps	0.0 Mbps
2024Q2	269.3 Mbps	28.6 Mbps
2024Q3	677.0 Mbps	60.5 Mbps

Table 4. Coverage by Tier (%)

Year	25/3	100/20	1 Gbps
2015	27.0%	24.3%	0.0%
2016	24.3%	24.3%	0.0%
2017	37.8%	35.1%	0.0%
2018	37.8%	24.3%	0.0%
2019	94.6%	94.6%	24.3%
2020	94.6%	94.6%	24.3%
2021	100.0%	100.0%	60.0%
2022	100.0%	100.0%	14.3%
2023	100.0%	100.0%	97.6%
2024	100.0%	100.0%	0.0%

Table 5. Adoption (%)

Year	All households	Low-income households
2017	44.7%	34.1%
2018	52.5%	33.3%
2019	52.1%	35.0%
2020	61.8%	48.8%
2021	60.7%	27.6%
2022	60.7%	36.8%
2023	64.7%	58.3%
2024	66.7%	55.8%

Table 6. Current Status (2024, %)

Tier	Coverage
25/3 Mbps	100.0%
100/20 Mbps	100.0%
1 Gbps	0.0%

Table 7. Comparison with National Averages (%)

Metric	Tribal	National
25/3 Mbps	100.0%	92%
100/20 Mbps	100.0%	85%
Adoption	66.7%	78%

Sources: FCC Broadband Data Collection, Ookla Open Data Initiative, and U.S. Census Bureau ACS 5-Year Estimates. National benchmarks are carried over from the report comparison section.

Figure 2. Speed Trends (2019–2024)

Figure 3. Availability (2015–2025)

Figure 4. Adoption (2017–2024)

Figure 5. Current Status (2024)

Figure 6. Comparison with National Averages

Figure 7. Fixed Coverage by Technology (25/3 Mbps)

Figure 8. Mobile Area Coverage

Notes: speed trends reflect quarterly mean throughput. Availability shows the share of population with access. Tooltips on the charts expose the underlying values for each series.

Table 8. Broadband Provider Summary

Metric	Value
Fixed broadband providers	11
Mobile broadband providers	3
Broadband serviceable locations	180

Table 9. Broadband Providers

Fixed	Mobile
AT&T Inc.	AT&T Inc.
Lumen Technologies, Inc.	T-Mobile USA, Inc.
T-Mobile USA, Inc.	Verizon Communications Inc.
EchoStar Corporation	—
Mediacom Communications Corp.	—
Midcontinent Communications	—
Valley Telecommunications Cooperative Association, Inc.	—
Verizon Communications Inc.	—
Viasat, Inc.	—
Clarity Telecom, LLC	—
Space Exploration Technologies Corp.	—

Table 10. Fixed Coverage by Technology (% of locations)

Technology	25/3	100/20	250/25	1 Gbps
Any Technology	100.0%	100.0%	100.0%	96.7%
Fiber	96.7%	96.7%	96.7%	96.7%
Cable	67.2%	67.2%	67.2%	0.0%
Fixed Wireless	100.0%	100.0%	0.0%	0.0%
Copper (DSL)	2.8%	0.0%	0.0%	0.0%
Satellite	100.0%	100.0%	100.0%	0.0%

Table 11. Mobile Coverage (% of area)

Technology	Coverage
4G LTE	100.0%
5G-NR (Speed Tier 1)	100.0%
5G-NR (Speed Tier 2)	86.4%
Total area (sq mi)	8.532

Table 8. Coverage by Tier and Technology (% of locations)

Dec. 2022

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	17.2	0.0
All Satellite	100.0	100.0	100.0	100.0	0.0	0.0
All Wired	87.1	87.1	80.3	80.3	80.3	12.0
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	80.3	12.0
Any Technology	100.0	100.0	100.0	100.0	89.7	12.0
Any Terrestrial	100.0	100.0	100.0	100.0	89.7	12.0
Cable	68.2	68.2	68.2	68.2	68.2	0.0
Cable/Fiber	80.3	80.3	80.3	80.3	80.3	12.0
Copper	39.1	35.6	0.4	0.0	0.0	0.0
Fiber	12.0	12.0	12.0	12.0	12.0	12.0
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	0.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	17.2	17.2	17.2	17.2	17.2	0.0

June 2023

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
All Satellite	100.0	100.0	100.0	100.0	0.0	0.0
All Wired	100.0	100.0	100.0	100.0	100.0	97.4
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	100.0	97.4
Any Technology	100.0	100.0	100.0	100.0	100.0	97.4
Any Terrestrial	100.0	100.0	100.0	100.0	100.0	97.4
Cable	66.5	66.5	66.5	66.5	66.5	0.0
Cable/Fiber	100.0	100.0	100.0	100.0	100.0	97.4
Copper	39.6	36.5	2.2	0.0	0.0	0.0
Fiber	97.4	97.4	97.4	97.4	97.4	97.4
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	0.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	0.0	0.0	0.0	0.0	0.0	0.0

Dec. 2023

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
All Satellite	100.0	100.0	100.0	100.0	0.0	0.0
All Wired	98.5	98.5	98.5	98.5	98.5	97.7
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	98.5	97.7
Any Technology	100.0	100.0	100.0	100.0	98.5	97.7
Any Terrestrial	100.0	100.0	100.0	100.0	98.5	97.7
Cable	61.1	61.1	61.1	61.1	61.1	0.0
Cable/Fiber	98.5	98.5	98.5	98.5	98.5	97.7
Copper	43.5	39.7	3.0	0.0	0.0	0.0
Fiber	97.7	97.7	97.7	97.7	97.7	97.7
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	0.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	1.5	1.5	1.5	1.5	0.0	0.0

June 2024

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
All Satellite	100.0	100.0	100.0	100.0	0.0	0.0
All Wired	100.0	100.0	100.0	100.0	100.0	96.3
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	100.0	96.3
Any Technology	100.0	100.0	100.0	100.0	100.0	96.3
Any Terrestrial	100.0	100.0	100.0	100.0	100.0	96.3
Cable	69.3	69.3	69.3	69.3	69.3	0.0
Cable/Fiber	100.0	100.0	100.0	100.0	100.0	96.3
Copper	44.8	41.1	3.1	0.0	0.0	0.0
Fiber	96.3	96.3	96.3	96.3	96.3	96.3
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	0.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	8.6	8.6	8.6	8.6	0.0	0.0

Dec. 2024

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
All Satellite	100.0	100.0	100.0	100.0	0.0	0.0
All Wired	100.0	100.0	100.0	100.0	100.0	96.1
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	100.0	96.1
Any Technology	100.0	100.0	100.0	100.0	100.0	96.1
Any Terrestrial	100.0	100.0	100.0	100.0	100.0	96.1
Cable	69.5	69.5	69.5	69.5	69.5	0.0
Cable/Fiber	100.0	100.0	100.0	100.0	100.0	96.1
Copper	43.5	40.3	2.6	0.0	0.0	0.0
Fiber	96.1	96.1	96.1	96.1	96.1	96.1
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	0.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	3.9	3.9	3.9	3.9	0.0	0.0

June 2025

Technology	2/2	10/1	25/3	100/20	250/25	1000/100
All Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
All Satellite	100.0	100.0	100.0	100.0	100.0	0.0
All Wired	100.0	100.0	100.0	100.0	100.0	96.7
All Wired and Licensed Fixed Wireless	100.0	100.0	100.0	100.0	100.0	96.7
Any Technology	100.0	100.0	100.0	100.0	100.0	96.7
Any Terrestrial	100.0	100.0	100.0	100.0	100.0	96.7
Cable	67.2	67.2	67.2	67.2	67.2	0.0
Cable/Fiber	100.0	100.0	100.0	100.0	100.0	96.7
Copper	39.4	36.1	2.8	0.0	0.0	0.0
Fiber	96.7	96.7	96.7	96.7	96.7	96.7
GSO Satellite	100.0	100.0	100.0	0.0	0.0	0.0
Licensed Fixed Wireless	100.0	100.0	100.0	100.0	0.0	0.0
NGSO Satellite	100.0	100.0	100.0	100.0	100.0	0.0
Other	0.0	0.0	0.0	0.0	0.0	0.0
Unlicensed Fixed Wireless	0.0	0.0	0.0	0.0	0.0	0.0

FCC Broadband Data Collection (BDC), June 2025 filing vintage. Coverage values show the share of residential broadband serviceable locations by technology and speed tier across D22, J23, D23, J24, D24, and J25 filings.

Source: FCC Broadband Data Collection (BDC), June 2025 Filing (J25). Fixed coverage shows the share of residential broadband serviceable locations, and mobile coverage shows the share of tribal land area.