Marshall County, Oklahoma: Power, Data Centers and the Local Economy
Home to Madill and Kingston
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 Madill, Kingston and Oakland. Employers here counted 5,498 jobs in 2025, up 23.9% from 2019 (the 5th fastest growth of 77 Oklahoma counties). Next door, Bryan County has 1 data center. Unemployment was 4.6% in August 2026, against 3.3% in 2019. Electrical contractors employ 19, at an average $43,582 a year.
Cities and towns in Marshall County
Marshall County is home to Madill, Kingston and Oakland.
Unincorporated communities (governed by the county): Cumberland, Lebanon, Little City, McBride.
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
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Oklahoma |
|---|---|---|---|---|
| Population (2020 → 2025) | 15,340 | 16,255 | ▲ 6.0% | 43rd of 77 by size |
| Total jobs (2019 → 2025) | 4,439 | 5,498 | ▲ 23.9% | 5th of 77 by growth |
| Average annual pay (2019 → 2025) | $38,898 | $51,992 | ▲ 33.7% | — |
| Unemployment rate (2019 → August 2026) | 3.3% | 4.6% | ▲ 1.3pts | — |
Oklahoma Gas & Electric Co is the largest utility serving Marshall County, one of 2 with territory here. Its residential customers paid an average 11.78¢/kWh in 2024, below the 12.53¢ median for Oklahoma utilities. 16,255 people live here, up 6.0% 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 |
|---|---|---|---|---|---|
| Oklahoma Gas & Electric Co | Investor Owned | Bundled | 710,123 | 11.78¢ | 44% |
| Red River Valley Rrl Elec Assn | Cooperative | Bundled | 15,852 | 11.38¢ | 20% |
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 | 5,498 | $51,992 | 1.00 |
| Electrical contractors | 19 | $43,582 | 0.48 |
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. Oklahoma has 15 local measures on record statewide.
Marshall County and its neighbors
Of the 5 counties that border Marshall County, Grayson 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 | 16,255 | ▲ 23.9% | — | — | — | — |
| Bryan County | 51,367 | ▲ 14.9% | 10 MW | — | 1 | — |
| Carter County | 48,910 | ▲ 0.6% | — | — | — | — |
| Grayson County TX | 153,613 | ▲ 11.4% | 929 MW | — | — | — |
| Johnston County | 10,448 | ▲ 5.1% | 304 MW | — | — | — |
| Love County | 10,780 | ▼ 13.1% | 3 MW | — | — | — |
More of Oklahoma
Marshall County, answered from the record
Who provides electricity in Marshall County, Oklahoma?
2 utilities have service territory in Marshall County in the EIA-861 2024 report: Oklahoma Gas & Electric Co, Red River Valley Rrl Elec Assn. The largest, Oklahoma Gas & Electric Co, charged residential customers 11.78¢/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 Bryan County.
Is Marshall County adding jobs?
Employers counted 5,498 jobs in 2025 against 4,439 in 2019 (+23.9%, BLS QCEW).
Does Marshall County have a data center moratorium?
No county-level measure is on record for Marshall County. Oklahoma has 15 local measures statewide, listed on the state page.