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Industry · Mining, Quarrying, and Oil and Gas Extraction

Underground Coal Mining

NAICS 212115 · 332 matched workers · high confidence

Strong Republican lean
28.4% Democratic, 71.6% Republican

Two-party shares across 332 workers in the Underground Coal Mining industry.

28.4%
71.6%
DemocraticRepublican
Imputed
26.7% D · 73.3% R
Includes lean for unaffiliated registrants
Hierarchy
Mining, Quarrying, and Oil and Gas Extraction › Coal Mining
NAICS2 21 · NAICS4 2121
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Where Underground Coal Mining falls

Among the most Republican-leaning industries in Mining, Quarrying, and Oil and Gas Extraction (100th percentile).

← DemocraticRepublican →Crude Petroleum Extraction — 40% DemocraticDrilling Oil and Gas Wells — 40% DemocraticSupport Activities for Oil and Gas Operations — 39% DemocraticNatural Gas Extraction — 38% DemocraticIron Ore Mining — 48% DemocraticOther Crushed and Broken Stone Mining and Quarrying — 39% DemocraticConstruction Sand and Gravel Mining — 40% DemocraticCopper, Nickel, Lead, and Zinc Mining — 44% DemocraticOther Metal Ore Mining — 42% DemocraticGold Ore and Silver Ore Mining — 41% DemocraticOther Nonmetallic Mineral Mining and Quarrying — 46% DemocraticCrushed and Broken Limestone Mining and Quarrying — 40% DemocraticSurface Coal Mining — 35% DemocraticIndustrial Sand Mining — 45% DemocraticCrushed and Broken Granite Mining and Quarrying — 50% DemocraticUnderground Coal Mining — 28% Democratic0%25%50%75%100%
Each dot is one of the 15 other industries in Mining, Quarrying, and Oil and Gas Extraction; size scales by workforce. Hover to see names — click to jump.

How this is measured

VRscores estimate the partisan composition of an industry by linking voter registration records to employment profiles, then aggregating workers up the NAICS hierarchy. The two-party shares above exclude workers with no major-party affiliation.

Read the full methodology or the published Organization Science paper.

Top employers in Mining, Quarrying, and Oil and Gas Extraction

Other industries in Mining, Quarrying, and Oil and Gas Extraction

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Citation

Kagan, Max; Frake, Justin; Hurst, Reuben (2026). “VRscores: A New Measure and Data Set of Workforce Politics Using Voter Registrations.” Organization Science, 37(2), 444–465.
https://doi.org/10.1287/orsc.2025.20402