Pettis County, Missouri: Power, Data Centers and the Local Economy
Home to Sedalia and La Monte
Pettis 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. Pettis County is home to Sedalia, La Monte, Green Ridge and Smithton. Next door, Henry County has 400 MW of planned generation. Construction employs 614, up 5.0% since 2019. Unemployment was 4.3% in August 2026, against 3.5% in 2019. Union Electric Co - (MO) is the largest utility serving Pettis County, one of 6 with territory here. Its residential customers paid an average 12.56¢/kWh in 2024.
Cities and towns in Pettis County
Pettis County is home to Sedalia, La Monte, Green Ridge and Smithton.
- Windsor also extends into Henry County.
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 Pettis County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Missouri |
|---|---|---|---|---|
| Population (2020 → 2025) | 43,011 | 44,254 | ▲ 2.9% | 25th of 115 by size |
| Total jobs (2019 → 2025) | 19,606 | 19,680 | ▲ 0.4% | 69th of 115 by growth |
| Average annual pay (2019 → 2025) | $36,869 | $51,233 | ▲ 39.0% | — |
| Construction jobs (2019 → 2025) | 585 | 614 | ▲ 5.0% | 56th of 71 by growth |
| Unemployment rate (2019 → August 2026) | 3.5% | 4.3% | ▲ 0.8pts | — |
Employers here counted 19,680 jobs in 2025, up 0.4% from 2019. 44,254 people live here, up 2.9% since 2020.
Who powers Pettis County
Utilities with service territory in Pettis County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Union Electric Co - (MO) | Investor Owned | Bundled | 1,095,619 | 12.56¢ | 44% |
| Evergy Missouri West | Investor Owned | Bundled | 305,583 | 12.55¢ | 42% |
| Evergy Metro | Investor Owned | Bundled | 273,860 | 13.72¢ | 51% |
| Co-Mo Electric Coop Inc | Cooperative | Bundled | 31,119 | 15.18¢ | 14% |
| West Central Electric Coop Inc - (MO) | Cooperative | Bundled | 15,280 | 12.28¢ | 22% |
| Central Missouri Elec Coop Inc | Cooperative | Bundled | 11,167 | 12.51¢ | 10% |
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 Pettis County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The Pettis County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 19,680 | $51,233 | 1.00 |
| Construction | 614 | $59,798 | 0.59 |
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 Pettis County
No data center, local measure or delayed project is on record in Pettis County. Missouri has 21 local measures on record statewide.
Pettis County and its neighbors
Of the 7 counties that border Pettis County, Henry 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 |
|---|---|---|---|---|---|---|
| Pettis County | 44,254 | ▲ 0.4% | — | — | — | — |
| Benton County | 20,536 | ▲ 9.3% | 161 MW | — | — | — |
| Cooper County | 17,136 | ▲ 3.5% | — | — | — | — |
| Henry County | 22,671 | ▲ 14.4% | — | 400 MW | — | — |
| Johnson County | 56,670 | ▲ 4.6% | 321 MW | — | — | — |
| Lafayette County | 33,531 | ▲ 1.8% | 54 MW | — | — | — |
| Morgan County | 22,418 | ▲ 6.0% | — | — | — | — |
| Saline County | 23,265 | ▲ 1.6% | 34 MW | 122 MW | — | — |
More of Missouri
Pettis County, answered from the record
Who provides electricity in Pettis County, Missouri?
6 utilities have service territory in Pettis County in the EIA-861 2024 report: Union Electric Co - (MO), Evergy Missouri West, Evergy Metro, Co-Mo Electric Coop Inc. The largest, Union Electric Co - (MO), charged residential customers 12.56¢/kWh on average in 2024.
What county is Sedalia, MO in?
Sedalia is in Pettis County, Missouri. About 22,621 people live there (2025 Census estimate).
Are there data centers in Pettis County?
The SAVRN Data Center Map has no data center in Pettis County. The nearest activity on record is next door in Henry County.
Is Pettis County adding jobs?
Employers counted 19,680 jobs in 2025 against 19,606 in 2019 (+0.4%, BLS QCEW). Construction went from 585 to 614.
Does Pettis County have a data center moratorium?
No county-level measure is on record for Pettis County. Missouri has 21 local measures statewide, listed on the state page.