The aim of this paper (the second of two) is to present the basic results of a cross–sectional study on arterial hypertension in adults in Ilha do Governador (a district of the city of Rio de Janeiro, Brazil), with a representative sample of the population, stratified by the census tracts' mean household incorre (low, median, and high). Overall, prevalence of uncontrolled hypertension in Ilha do Governador was 16.1% (C.I. of 95%: 13.4 to 18.9%), and with the inclusion of controlled hypertensive individuals this figure rose to 24.9% (C I. of 95%: 21.7 to 28.7%). Under both criteria (whether including controlled hypertensive individuais or not), higher prevalences were from low‑incorre strata, while lower ones were from the high‑incorre strata. However, it was only possible to reject the hypothesis of strata homogeneity of prevalences (including controlled hypertensives), and even then at a 10% level of significance, when the confounding effect of age was adjusted. Proportionally, women with hypertension appear to control their blood pressure levels better than men in all age brackets.