At a glance: Kansas Kansas is the 34th most populous state in the U.S., with 2,940,546 residents across its 81,758 square miles, according to the U.S. Census Bureau. The state ranked No. 29 for business in 2024 by CNBC. Kansas is known for its agriculture, and its largest industry by revenue in 2024 was farm, lawn and garden equipment wholesaling. This was followed by aircraft, engine and parts manufacturing and then corn, wheat and soybean wholesaling. These three industries generated a combined $77 billion in revenue. Energy Kansas ranks No. 24 among states for most energy production, with its leading production sources being natural gas, crude oil and noncombustible renewables, according to the U.S. Energy Information Administration. Kansas ranks No. 17 for most energy consumption per capita. The leading energy sources consumed by Kansans are natural gas, coal and motor gasoline. Kansas’ residential electricity rate is $0.1452/kWh, cheaper than the national average. The commercial electricity rate is also cheaper; Kansas’ commercial users pay a rate of $0.1085/kWh, compared to the national average commercial rate of $0.1259/kWh. Industrial users pay $0.0764/kWh, compared to the national average industrial electricity rate of $0.0804/kWh. Kansans’ residential natural gas price is $14.55 per thousand cubic feet, below the national average of $15.39, according to the most recently available data from the U.S. Energy Information Administration. Environment Annual carbon emissions increased 21.5 percent since 1970, while the state’s population grew 31 percent during the same span. The population is projected to increase another 2.21 percent, to 3.02 million residents, by 2030. The federal government lists 19 species in Kansas as threatened or endangered.