at 1.2%. Just over 2,300 people (1.6%) did not state their ethnicity. Accounting for just 0.4% of the population, Wicklow has by far the lowest percentage of black residents in the Greater Dublin Area. The 2016 census recorded 524 black residents in Wicklow, of which 408 (78%) were of African descent and 116 (22%) were of other black backgrounds. Urban areas The 2016 census recorded that 65 percent of Wicklow's residents lived in urban areas (settlements with a population greater than 1,500) and 35 percent lived in rural areas. Of Wicklow's rural population, roughly 26 percent (36,800 people) live in the open countryside outside of any designated settlements, while 9 percent (13,032 people) live in settlements with less than 1,500 people. According to the CSO report Urban and Rural Life in Ireland 2019, Wicklow (alongside Kildare) has the highest proportion of residents living in satellite towns. The 10 largest settlements in the county are listed below. The county town is marked in bold. Migration As of 2016, around 85% of Wicklow's population was born within the Republic of Ireland, and a further 0.9% was born in Northern Ireland. Just over 38% of Wicklow's usually resident population was born within the county, making it the second least indigenous county in Ireland, after Meath. While around 35% of the county's population was born in neighbouring Dublin, it is likely that a significant portion of these are Wicklow natives who were born in one of Dublin's many hospitals. People born in the United Kingdom are by far the largest immigrant group, comprising 5.9% of Wicklow's population (8,388 people). Of this group, only around half (4,045 people) stated that they were either UK or dual Irish-UK citizens. The Poles are the second largest immigrant group, constituting 2.0% of the county's population. The census recorded 2,905 Polish citizens in Wicklow, of which 2,759 were born in Poland. The fastest growing major immigrant groups between 2011 and 2016 were Romanians, Indians and Filipinos. There was also a large increase in the number of Brazilians (+107%), Italians (+59%) and Spaniards (+53%) living in Wicklow over this period. *Includes Hong Kong SAR Religion The 2016 census showed that religious affiliation in Wicklow was as follows: Catholic 73%, Irreligion 13.3%, Other Christian 8.8%, Other stated religions 3.1%, and not stated 1.8%. The single largest religious denomination in 2016 was the Roman Catholic Church, with 103,947 adherents. This is a