# Dubuque County, Iowa: Power, Data Centers and the Local Economy Home to Dubuque, Asbury and Dyersville Dubuque County sits inside the data center build-out. The SAVRN Data Center Map lists 1 data center in Dubuque County. Dubuque County is home to Dubuque, Asbury, most of Dyersville (4,260 of its 4,574 residents) and Peosta. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “12-month data center moratorium”. Construction employs 2,696, up 5.5% since 2019. 3 MW of that came online in 2019 or later, mostly petroleum. 1 data centers on the SAVRN Data Center Map 27 MW of operating power plants, mostly petroleum -2.0% total jobs since 2019, now 57,730 ## Cities and towns in Dubuque County Dubuque County is home to Dubuque, Asbury, most of Dyersville (4,260 of its 4,574 residents) and Peosta. Dubuque59,148 residents Asbury6,035 residents Dyersville4,260 residents · 93% of the city Peosta2,225 residents Epworth2,037 residents Cascade1,995 residents · 83% of the city Farley1,718 residents New Vienna381 residents Worthington373 residents Holy Cross345 residents Luxemburg236 residents Rickardsville203 residents Sherrill169 residents Bernard117 residents Centralia116 residents Sageville98 residents Balltown76 residents Graf75 residents Zwingle67 residents · 75% of the city - Dyersville also extends into [Delaware County](https://savrn.com/power-supply-chain-map/iowa/delaware-county). - Cascade also extends into [Jones County](https://savrn.com/power-supply-chain-map/iowa/jones-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 Dubuque County | Measure | Then | Now | Change | Rank in Iowa | |---|---|---|---|---| | Population (2020 → 2025) | 99,311 | 99,381 | ▲ 0.1% | 9th of 99 by size | | Total jobs (2019 → 2025) | 58,912 | 57,730 | ▼ 2.0% | 50th of 99 by growth | | Average annual pay (2019 → 2025) | $47,294 | $60,537 | ▲ 28.0% | — | | Construction jobs (2019 → 2025) | 2,555 | 2,696 | ▲ 5.5% | 42nd of 81 by growth | | Unemployment rate (2019 → August 2026) | 2.7% | 3.5% | ▲ 0.8pts | — | | Generating capacity added since 2019 | — | 3 MW | | — | | Generating capacity retired since 2019 | — | 0 MW | | — | Unemployment was 3.5% in August 2026, against 2.7% in 2019. Its power plants have 27 MW of capacity, 86% of it petroleum. Employers here counted 57,730 jobs in 2025, down 2.0% from 2019. Interstate Power and Light Co is the largest utility serving Dubuque County, one of 4 with territory here. Its residential customers paid an average 17.90¢/kWh in 2024, above the 13.77¢ median for Iowa utilities. 99,381 people live here, up 0.1% since 2020, 9th of 99 Iowa counties by population. ## Who powers Dubuque County ### Utilities with service territory in Dubuque County | Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales | |---|---|---|---|---|---| | Interstate Power and Light Co | Investor Owned | Bundled | 417,153 | 17.90¢ | 29% | | Maquoketa Valley Rrl Elec Coop | Cooperative | Bundled | 11,051 | 13.76¢ | 48% | | Allamakee-Clayton El Coop, Inc | — | — | — | — | — | | Cascade Municipal Utilities | — | — | — | — | — | 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 | Technology | Capacity | Share | |---|---|---| | Petroleum | 23 MW | 86% | | Solar | 4 MW | 14% | | Largest plants | Owner | Technology | MW | Since | |---|---|---|---|---| | John Deere Dubuque Works | John Deere Dubuque Works | Petroleum | 9 MW | 1994 | | Cascade | Cascade Municipal Utilities - (IA) | Petroleum | 7 MW | 1951 | | West Dubuque Solar | Interstate Power and Light Co | Solar | 4 MW | 2017 | | Alliant SBD 9205 A Y McDonald | Industrial Energy Applications Inc | Petroleum | 4 MW | 1990 | | Alliant SBD 9301 Prairie Farms | Industrial Energy Applications Inc | Petroleum | 4 MW | 1993 | ## The Dubuque County labor market | Industry (2025) | Jobs | Average pay | Concentration vs U.S. | |---|---|---|---| | All industries | 57,730 | $60,537 | 1.00 | | Construction | 2,696 | $78,608 | 0.88 | | Data processing and hosting | 31 | $166,659 | 0.17 | 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 Dubuque County 1 data center in Dubuque County is on the SAVRN Data Center Map: [see them by city and operator](https://savrn.com/data-center-map/iowa#p-dubuque). ### Local measures | Measure | Status | Date | |---|---|---| | 12-month data center moratorium | In force | 2026-05 | ## Dubuque County and its neighbors Of the 6 counties that border Dubuque County, Grant 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 | |---|---|---|---|---|---|---| | Dubuque County | 99,381 | ▼ 2.0% | 27 MW | — | 1 | 1 | | Clayton County](https://savrn.com/power-supply-chain-map/iowa/clayton-county) | 16,845 | ▼ 8.5% | 6 MW | — | — | 1 | | Delaware County](https://savrn.com/power-supply-chain-map/iowa/delaware-county) | 17,674 | ▲ 3.9% | 110 MW | — | — | — | | Grant County](https://savrn.com/power-supply-chain-map/wisconsin/grant-county) WI | 52,446 | ▼ 4.2% | 453 MW | 67 MW | — | 1 | | Jackson County](https://savrn.com/power-supply-chain-map/iowa/jackson-county) | 19,288 | ▼ 7.5% | 47 MW | — | — | — | | Jo Daviess County](https://savrn.com/power-supply-chain-map/illinois/jo-daviess-county) IL | 21,594 | ▲ 5.3% | 9 MW | — | — | — | | Jones County](https://savrn.com/power-supply-chain-map/iowa/jones-county) | 21,253 | ▲ 1.2% | — | — | 2 | — | ## More of Iowa [All Iowa countiesThe state power page and county mapOpen →](https://savrn.com/power-supply-chain-map/iowa)[Jones County21,253 peopleOpen →](https://savrn.com/power-supply-chain-map/iowa/jones-county)[Jackson County19,288 peopleOpen →](https://savrn.com/power-supply-chain-map/iowa/jackson-county)[Delaware County17,674 peopleOpen →](https://savrn.com/power-supply-chain-map/iowa/delaware-county)[Clayton County16,845 peopleOpen →](https://savrn.com/power-supply-chain-map/iowa/clayton-county) ## Dubuque County, answered from the record ### Who provides electricity in Dubuque County, Iowa? 4 utilities have service territory in Dubuque County in the EIA-861 2024 report: Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, Allamakee-Clayton El Coop, Inc, Cascade Municipal Utilities. The largest, Interstate Power and Light Co, charged residential customers 17.90¢/kWh on average in 2024. ### What county is Dubuque, IA in? Dubuque is in Dubuque County, Iowa. About 59,148 people live there (2025 Census estimate). ### What power plants are in Dubuque County? 5 operating plants with 27 MW of capacity. The largest is John Deere Dubuque Works (9 MW, petroleum). ### Are there data centers in Dubuque County? Yes. The SAVRN Data Center Map lists 1 data center in Dubuque County. ### Is Dubuque County adding jobs? Employers counted 57,730 jobs in 2025 against 58,912 in 2019 (-2.0%, BLS QCEW). Construction went from 2,555 to 2,696. ### Does Dubuque County have a data center moratorium? The SAVRN Moratorium Tracker holds 1 local measure for Dubuque County, 1 in force. --- Canonical: https://savrn.com/power-supply-chain-map/iowa/dubuque-county Updated: 2026-10-08. Refreshed weekly by SAVRN from EIA, BLS, BEA, Census and the SAVRN trackers. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).