Ladora is a city in Iowa County, Iowa, United States. The population was 229 at the time of the 2020 census. Ladora was platted in 1867 and i…Ladora is a city in Iowa County, Iowa, United States. The population was 229 at the time of the 2020 census. Ladora was platted in 1867 and incorporated in 1879. According to the United States Census Bureau, the city has a total area of 0.30 square miles, all land.