Knox County, Indiana: Power, Data Centers and the Local Economy
Home to Vincennes Township, Vincennes and Vigo Township

Knox County hosts some of the generating capacity Indiana runs on. Knox County is home to Vincennes Township, Vincennes, Vigo Township and Bicknell. Next door, Sullivan County has 964 MW of planned generation. Construction employs 705, up 12.1% since 2019. Its power plants have 1,463 MW of capacity, 67% of it natural gas, the 9th largest fleet in Indiana. 150 MW of that came online in 2019 or later, mostly solar.
Cities and towns in Knox County
Knox County is home to Vincennes Township, Vincennes, Vigo Township and Bicknell.
Unincorporated communities (governed by the county): Emison, Freelandville, Ragsdale, Westphalia.
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 Knox County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Indiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 36,253 | 35,652 | ▼ 1.7% | 44th of 92 by size |
| Total jobs (2019 → 2025) | 17,327 | 16,811 | ▼ 3.0% | 73rd of 92 by growth |
| Average annual pay (2019 → 2025) | $40,812 | $53,538 | ▲ 31.2% | — |
| Construction jobs (2019 → 2025) | 629 | 705 | ▲ 12.1% | 47th of 68 by growth |
| Electrical contractor jobs (2019 → 2025) | 54 | 55 | ▲ 1.9% | — |
| Electric utility jobs (2019 → 2025) | 320 | 252 | ▼ 21.2% | — |
| Unemployment rate (2019 → August 2026) | 3.1% | 3.5% | ▲ 0.4pts | — |
| Generating capacity added since 2019 | — | 150 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Electrical contractors employ 55, up 1.9% since 2019 against up 34.8% statewide, at an average $62,902 a year. Employers here counted 16,811 jobs in 2025, down 3.0% from 2019. Duke Energy Indiana, LLC is the largest utility serving Knox County, one of 4 with territory here. Its residential customers paid an average 12.75¢/kWh in 2024, below the 14.63¢ median for Indiana utilities. Unemployment was 3.5% in August 2026, against 3.1% in 2019. 35,652 people live here, down 1.7% since 2020.
Who powers Knox County
Net change in operating capacity since 2019: +150 MW. Colors follow the fuel legend above.
Utilities with service territory in Knox County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Duke Energy Indiana, LLC | Investor Owned | Bundled | 796,265 | 12.75¢ | 31% |
| AES Indiana | Investor Owned | Bundled | 469,499 | 13.75¢ | 14% |
| Utilities Dist-Western IN REMC | Cooperative | Bundled | 18,898 | 16.10¢ | 13% |
| Western Indiana Energy REMC | Cooperative | Bundled | 15,017 | 14.39¢ | 19% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 3
| Technology | Capacity | Share |
|---|---|---|
| Natural gas | 982 MW | 67% |
| Coal | 332 MW | 23% |
| Solar | 150 MW | 10% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Edwardsport | Duke Energy Indiana, LLC | Natural gas | 813 MW | 2013 |
| Wheatland Generating Facility | Duke Energy Indiana, LLC | Natural gas | 500 MW | 2000 |
| Wheatland | Origis Energy USA, Inc | Solar | 150 MW | 2026 |
The Knox County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 16,811 | $53,538 | 1.00 |
| Construction | 705 | $76,024 | 0.79 |
| Electrical contractors | 55 | $62,902 | 0.45 |
| Electric utilities | 252 | $142,078 | 5.54 |
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 Knox County
No data center, local measure or delayed project is on record in Knox County. Indiana has 40 local measures on record statewide, and 1 neighboring county has one: Lawrence County.
Knox County and its neighbors
Of the 8 counties that border Knox County, Sullivan 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 |
|---|---|---|---|---|---|---|
| Knox County | 35,652 | ▼ 3.0% | 1,463 MW | — | — | — |
| Crawford County IL | 18,648 | ▲ 8.2% | 7 MW | — | — | — |
| Daviess County | 34,209 | ▲ 8.5% | 14 MW | — | — | — |
| Gibson County | 33,091 | ▲ 2.1% | 3,540 MW | 200 MW | — | — |
| Greene County | 31,165 | ▲ 0.8% | 248 MW | — | — | — |
| Lawrence County IL | 13,790 | ▼ 11.7% | 9 MW | — | — | 1 |
| Pike County | 12,003 | ▼ 2.2% | 2,263 MW | — | — | — |
| Sullivan County | 20,831 | ▼ 2.2% | 1,548 MW | 964 MW | — | — |
| Wabash County IL | 10,907 | ▼ 1.4% | — | — | — | — |
More of Indiana
Knox County, answered from the record
Who provides electricity in Knox County, Indiana?
4 utilities have service territory in Knox County in the EIA-861 2024 report: Duke Energy Indiana, LLC, AES Indiana, Utilities Dist-Western IN REMC, Western Indiana Energy REMC. The largest, Duke Energy Indiana, LLC, charged residential customers 12.75¢/kWh on average in 2024.
What county is Vincennes Township, IN in?
Vincennes Township is in Knox County, Indiana. About 21,431 people live there (2025 Census estimate).
What county is Vincennes, IN in?
Vincennes is in Knox County, Indiana. About 16,378 people live there (2025 Census estimate).
What power plants are in Knox County?
3 operating plants with 1,463 MW of capacity. The largest is Edwardsport (813 MW, natural gas).
Are there data centers in Knox County?
The SAVRN Data Center Map has no data center in Knox County. The nearest activity on record is next door in Sullivan County.
Is Knox County adding jobs?
Employers counted 16,811 jobs in 2025 against 17,327 in 2019 (-3.0%, BLS QCEW). Construction went from 629 to 705.
Does Knox County have a data center moratorium?
No county-level measure is on record for Knox County. Indiana has 40 local measures statewide, listed on the state page.