# Marshall County, Minnesota: Power, Data Centers and the Local Economy

Home to Warren

Marshall County is not a build-out site today. It feels the boom through the grid it shares, the utilities that serve it and the work nearby. Marshall County is home to Warren, Stephen and Argyle. Construction employs 176, up 28.5% since 2019, and construction is 1.4 times as concentrated here as in the U.S. economy. Next door, Grand Forks County, North Dakota, has 3 data centers. Employers here counted 2,430 jobs in 2025, up 8.7% from 2019 (the 8th fastest growth of 87 Minnesota counties). Otter Tail Power Co is the largest utility serving Marshall County, one of 8 with territory here. Its residential customers paid an average 11.33¢/kWh in 2024, below the 14.36¢ median for Minnesota utilities.

+8.7%
total jobs since 2019, now 2,430

1.4×
the U.S. share of jobs in construction

11.33¢
per kWh for Otter Tail Power Co residential customers, 2024

## Cities and towns in Marshall County

Marshall County is home to Warren, Stephen and Argyle.

Warren1,558 residents
Stephen581 residents
Argyle531 residents
Alvarado390 residents
Newfolden345 residents
New Solum Township302 residents
Excel Township297 residents
Middle River296 residents
McCrea Township241 residents
Oslo239 residents
Spruce Valley Township232 residents
New Folden Township212 residents
New Maine Township196 residents
Grygla171 residents
Viking Township169 residents
West Valley Township153 residents
Valley Township128 residents
Vega Township125 residents
Nelson Park Township122 residents
Marsh Grove Township118 residents
Holt Township117 residents
Comstock Township114 residents
Oak Park Township107 residents
Agder Township106 residents

And 16 smaller places.

Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.

## What changed in Marshall County

| Measure | Then | Now | Change | Rank in Minnesota |
|---|---|---|---|---|
| Population (2020 → 2025) | 9,025 | 8,798 | ▼ 2.5% | 73rd of 87 by size |
| Total jobs (2019 → 2025) | 2,235 | 2,430 | ▲ 8.7% | 8th of 87 by growth |
| Average annual pay (2019 → 2025) | $44,398 | $57,774 | ▲ 30.1% | — |
| Construction jobs (2019 → 2025) | 137 | 176 | ▲ 28.5% | 12th of 72 by growth |
| Unemployment rate (2019 → August 2026) | 6.4% | 6.0% | ▼ 0.4pts | — |

Unemployment was 6.0% in August 2026, against 6.4% in 2019. 8,798 people live here, down 2.5% since 2020.

## Who powers Marshall County

### Utilities with service territory in Marshall County

| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Otter Tail Power Co | Investor Owned | Bundled | 50,118 | 11.33¢ | 37% |
| City of Alvarado - (MN) | — | — | — | — | — |
| City of Newfolden - (MN) | — | — | — | — | — |
| P K M Electric Coop, Inc | — | — | — | — | — |
| Roseau Electric Coop, Inc | — | — | — | — | — |
| City of Stephen - (MN) | — | — | — | — | — |
| City of Warren - (MN) | — | — | — | — | — |
| Red Lake Electric Coop, Inc | — | — | — | — | — |

Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.

No operating power plant is located in Marshall County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.

## The Marshall County labor market

| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 2,430 | $57,774 | 1.00 |
| Construction | 176 | $88,814 | 1.37 |

Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.

## Data centers and local rules in Marshall County

No data center, local measure or delayed project is on record in Marshall County. Minnesota has 25 local measures on record statewide.

## Marshall County and its neighbors

Of the 8 counties that border Marshall County, Grand Forks County carries the most build-out activity: data centers, planned generation and operating plants combined.

[[[[[[[[

| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Marshall County | 8,798 | ▲ 8.7% | — | — | — | — |
| Beltrami County](https://savrn.com/power-supply-chain-map/minnesota/beltrami-county) | 47,055 | ▲ 2.5% | 51 MW | 50 MW | — | — |
| Grand Forks County](https://savrn.com/power-supply-chain-map/north-dakota/grand-forks-county) ND | 74,501 | ▲ 3.1% | — | — | 3 | — |
| Kittson County](https://savrn.com/power-supply-chain-map/minnesota/kittson-county) | 4,031 | ▼ 1.1% | — | — | — | — |
| Pembina County](https://savrn.com/power-supply-chain-map/north-dakota/pembina-county) ND | 6,568 | ▼ 4.7% | 6 MW | — | — | — |
| Pennington County](https://savrn.com/power-supply-chain-map/minnesota/pennington-county) | 13,686 | ▼ 7.9% | 6 MW | — | — | — |
| Polk County](https://savrn.com/power-supply-chain-map/minnesota/polk-county) | 30,545 | ▼ 1.2% | 14 MW | — | 1 | — |
| Roseau County](https://savrn.com/power-supply-chain-map/minnesota/roseau-county) | 15,246 | ▼ 1.8% | 11 MW | — | — | — |
| Walsh County](https://savrn.com/power-supply-chain-map/north-dakota/walsh-county) ND | 10,179 | ▼ 2.9% | 4 MW | — | — | — |

## More of Minnesota

[All Minnesota countiesThe state power page and county mapOpen →](https://savrn.com/power-supply-chain-map/minnesota)[Beltrami County47,055 peopleOpen →](https://savrn.com/power-supply-chain-map/minnesota/beltrami-county)[Polk County30,545 peopleOpen →](https://savrn.com/power-supply-chain-map/minnesota/polk-county)[Roseau County15,246 peopleOpen →](https://savrn.com/power-supply-chain-map/minnesota/roseau-county)[Pennington County13,686 peopleOpen →](https://savrn.com/power-supply-chain-map/minnesota/pennington-county)[Kittson County4,031 peopleOpen →](https://savrn.com/power-supply-chain-map/minnesota/kittson-county)

## Marshall County, answered from the record

### Who provides electricity in Marshall County, Minnesota?

8 utilities have service territory in Marshall County in the EIA-861 2024 report: Otter Tail Power Co, City of Alvarado - (MN), City of Newfolden - (MN), P K M Electric Coop, Inc. The largest, Otter Tail Power Co, charged residential customers 11.33¢/kWh on average in 2024.

### Are there data centers in Marshall County?

The SAVRN Data Center Map has no data center in Marshall County. The nearest activity on record is next door in Grand Forks County.

### Is Marshall County adding jobs?

Employers counted 2,430 jobs in 2025 against 2,235 in 2019 (+8.7%, BLS QCEW). Construction went from 137 to 176.

### Does Marshall County have a data center moratorium?

No county-level measure is on record for Marshall County. Minnesota has 25 local measures statewide, listed on the state page.

---
Canonical: https://savrn.com/power-supply-chain-map/minnesota/marshall-county
Updated: 2026-10-08. Refreshed weekly by SAVRN from EIA, BLS, BEA, Census and the SAVRN trackers. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).
