Harmon County, Oklahoma: Power, Data Centers and the Local Economy
Home to Hollis
Harmon 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. Harmon County is home to Hollis. Next door, Hardeman County, Texas, has 1,000 MW of planned generation. Employers here counted 641 jobs in 2025, down 2.0% from 2019. Public Service Co of Oklahoma is the largest utility serving Harmon County, one of 3 with territory here. Its residential customers paid an average 12.73¢/kWh in 2024. Unemployment was 2.8% in August 2026, against 2.4% in 2019.
Cities and towns in Harmon County
Harmon County is home to Hollis.
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 Harmon County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Oklahoma |
|---|---|---|---|---|
| Population (2020 → 2025) | 2,476 | 2,327 | ▼ 6.0% | 76th of 77 by size |
| Total jobs (2019 → 2025) | 654 | 641 | ▼ 2.0% | 46th of 77 by growth |
| Average annual pay (2019 → 2025) | $34,676 | $44,615 | ▲ 28.7% | — |
| Unemployment rate (2019 → August 2026) | 2.4% | 2.8% | ▲ 0.4pts | — |
2,327 people live here, down 6.0% since 2020.
Who powers Harmon County
Utilities with service territory in Harmon County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Public Service Co of Oklahoma | Investor Owned | Bundled | 501,093 | 12.73¢ | 36% |
| Harmon Electric Assn Inc | — | — | — | — | — |
| Northfork 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 Harmon County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The Harmon County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 641 | $44,615 | 1.00 |
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 Harmon County
No data center, local measure or delayed project is on record in Harmon County. Oklahoma has 15 local measures on record statewide.
Harmon County and its neighbors
Of the 6 counties that border Harmon County, Hardeman 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 |
|---|---|---|---|---|---|---|
| Harmon County | 2,327 | ▼ 2.0% | — | — | — | — |
| Beckham County | 22,159 | ▲ 0.8% | — | — | — | — |
| Childress County TX | 6,643 | ▲ 18.3% | 572 MW | 170 MW | 3 | — |
| Collingsworth County TX | 2,487 | ▼ 7.1% | — | — | — | — |
| Greer County | 5,373 | ▼ 8.6% | — | — | — | — |
| Hardeman County TX | 3,292 | ▲ 4.5% | 200 MW | 1,000 MW | — | — |
| Jackson County | 24,764 | ▲ 0.4% | — | — | — | — |
More of Oklahoma
Harmon County, answered from the record
Who provides electricity in Harmon County, Oklahoma?
3 utilities have service territory in Harmon County in the EIA-861 2024 report: Public Service Co of Oklahoma, Harmon Electric Assn Inc, Northfork Electric Coop, Inc. The largest, Public Service Co of Oklahoma, charged residential customers 12.73¢/kWh on average in 2024.
Are there data centers in Harmon County?
The SAVRN Data Center Map has no data center in Harmon County. The nearest activity on record is next door in Hardeman County.
Is Harmon County adding jobs?
Employers counted 641 jobs in 2025 against 654 in 2019 (-2.0%, BLS QCEW).
Does Harmon County have a data center moratorium?
No county-level measure is on record for Harmon County. Oklahoma has 15 local measures statewide, listed on the state page.