is a village located in Fukushima Prefecture, Japan. , the village had an official registered population of 1,861, and a population density of 9.5 persons per km². The total area of Kawauchi is . The village was evacuated as a result of the 2011 Fukushima Daiichi nuclear disaster, but in 2014, all restrictions were lifted. Geography Kawauchi is located in the Abukuma Plateau of central Fukushima with a mean altitude of between 400 and 500 meters. North of Kawauchi, there is at a substation of Kita–Iwaki powerline, a 500 kV-line already designed for future 1100 kV operation. Surrounding municipalities Fukushima Prefecture Iwaki Tamura Tomioka Naraha Ōkuma Climate Kawauchi has a humid continental climate (Köppen Cfa) characterized by mild summers and cold winters with heavy snowfall. The average annual temperature in Kawauchi is 10.3 °C. The average annual rainfall is 1431 mm with September as the wettest month. The temperatures are highest on average in August, at around 22.5 °C, and lowest in January, at around -0.7 °C. Demographics Per Japanese census data, the population of Kawauchi has declined steadily over the past 60 years and is now less than half what it was a century ago. History The area of present-day Kawauchi was part of Mutsu Province. After the Meiji restoration, on April 1, 1889, the village of Kawauchi was created within Futaba District, Fukushima with the establishment of the modern municipalities system. 2011 Fukushima Daiichi nuclear disaster Kawauchi suffered moderate damage from the 2011 Tōhoku earthquake and tsunami. However, the eastern portion of the village is located within the nominal 20-kilometer exclusion zone of the Fukushima Daiichi nuclear power plant, and as a result of wind patterns following the Fukushima Daiichi nuclear disaster, the entire population of the village was evacuated by government order by May 2011. A portion of the village was re-opened in March 2012. In August 2014, the government divided the remaining portion of the village into two zones, and projected a lifting of the evacuation order for 275 residents in one of the zones in October. The ambient radiation dose was lower than that of the surrounding municipalities, and as of 2012, the average exposure dose among residents was reported to be below 1 millisievert per year. By 2017, more than 80% of the villagers had returned, but many were older and the younger generation had a lower return rate than the whole. It was