Marshall County, Indiana: Power, Data Centers and the Local Economy
Home to Center Township, Plymouth and German Township
Marshall County is one of the places pushing back on the data center build-out. Marshall County is home to Center Township, Plymouth, German Township and Bremen. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “Local moratorium on data centers with no end date”. Employers here counted 19,640 jobs in 2025, up 6.2% from 2019. 8 MW of that came online in 2019 or later, mostly solar. Its power plants have 14 MW of capacity, 53% of it other technologies.
Cities and towns in Marshall County
Marshall County is home to Center Township, Plymouth, German Township and Bremen.
Unincorporated communities (governed by the county): Koontz Lake.
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 Indiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 46,064 | 46,599 | ▲ 1.2% | 32nd of 92 by size |
| Total jobs (2019 → 2025) | 18,493 | 19,640 | ▲ 6.2% | 19th of 92 by growth |
| Average annual pay (2019 → 2025) | $39,727 | $54,156 | ▲ 36.3% | — |
| Electrical contractor jobs (2019 → 2025) | 151 | 103 | ▼ 31.8% | — |
| Unemployment rate (2019 → August 2026) | 3.2% | 3.2% | ● 0.0pts | — |
| Generating capacity added since 2019 | — | 8 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Northern Indiana Pub Serv Co is the largest utility serving Marshall County, one of 7 with territory here. Its residential customers paid an average 19.09¢/kWh in 2024, above the 14.63¢ median for Indiana utilities. Unemployment was 3.2% in August 2026, against 3.2% in 2019. 46,599 people live here, up 1.2% since 2020. Electrical contractors employ 103, down 31.8% since 2019 against up 34.8% statewide, at an average $76,699 a year.
Who powers Marshall County
Net change in operating capacity since 2019: +8 MW. Colors follow the fuel legend above.
Utilities with service territory in Marshall County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Northern Indiana Pub Serv Co | Investor Owned | Bundled | 430,648 | 19.09¢ | 25% |
| Indiana Michigan Power Co | Investor Owned | Bundled | 422,062 | 16.31¢ | 28% |
| Kankakee Valley Rural E M C | Cooperative | Bundled | 18,994 | 15.20¢ | 18% |
| Town of Argos | — | — | — | — | — |
| Bremen Electric Light & Power Co | — | — | — | — | — |
| Fulton County Rural E M C | — | — | — | — | — |
| Marshall County Rural E M C | — | — | — | — | — |
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 2
| Technology | Capacity | Share |
|---|---|---|
| Other technologies | 8 MW | 53% |
| Solar | 7 MW | 47% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Zimmerman Energy | Landfill Energy Systems | Other technologies | 8 MW | 2014 |
| Bremen | Indiana Municipal Power Agency | Solar | 7 MW | 2022 |
The Marshall County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 19,640 | $54,156 | 1.00 |
| Electrical contractors | 103 | $76,699 | 0.73 |
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
Local measures 1
| Measure | Status | Date | |
|---|---|---|---|
| Local moratorium on data centers with no end date | In force | 2026-04 |
Marshall County and its neighbors
Of the 6 counties that border Marshall County, St. Joseph 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 | 46,599 | ▲ 6.2% | 14 MW | — | — | 1 |
| Elkhart County | 208,774 | ▼ 4.6% | 114 MW | — | — | — |
| Fulton County | 20,091 | ▼ 1.2% | — | — | 1 | 1 |
| Kosciusko County | 80,892 | ▼ 8.3% | — | — | — | — |
| Pulaski County | 12,463 | ▲ 22.8% | 3 MW | 1,124 MW | — | 1 |
| St. Joseph County | 272,861 | ▼ 2.3% | 1,012 MW | — | 20 | 1 |
| Starke County | 23,425 | ▼ 2.1% | 891 MW | — | — | 1 |
More of Indiana
Marshall County, answered from the record
Who provides electricity in Marshall County, Indiana?
7 utilities have service territory in Marshall County in the EIA-861 2024 report: Northern Indiana Pub Serv Co, Indiana Michigan Power Co, Kankakee Valley Rural E M C, Town of Argos. The largest, Northern Indiana Pub Serv Co, charged residential customers 19.09¢/kWh on average in 2024.
What county is Center Township, IN in?
Center Township is in Marshall County, Indiana. About 16,383 people live there (2025 Census estimate).
What county is Plymouth, IN in?
Plymouth is in Marshall County, Indiana. About 11,081 people live there (2025 Census estimate).
What power plants are in Marshall County?
2 operating plants with 14 MW of capacity. The largest is Zimmerman Energy (8 MW, other technologies).
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 Pulaski County.
Is Marshall County adding jobs?
Employers counted 19,640 jobs in 2025 against 18,493 in 2019 (+6.2%, BLS QCEW).
Does Marshall County have a data center moratorium?
The SAVRN Moratorium Tracker holds 1 local measure for Marshall County, 1 in force.