Approximately 28,125 women aged 15-49 years live in Toamasina, comprising approximately 22.5% of the city¿s 172,000 inhabitants. 385 mothers under 50 years old were surveyed in a study of selected demographic data. 68.4% of the mothers were 20-34 years old, while the mothers¿ mean age was 31.5 years. 63.2% of the surveyed women married before reaching 20 years old, while the median marriage age in the city was 17.6 years. Approximately 8.6% of the mothers were single. 57.7% of women in Toamasina bear their first child before reaching 19 years old. 61.8% of single mothers are 15-19 years old, and 55.9% of them have completed high school. 80.5% of the mothers know how to read and write. Fathers of the most recent child in households were of median age 36 years. 38% of households had at least 7 people living under the same roof and 34.4% of mothers have only 2 rooms available, including the kitchen. An average of 6.1 people per household reside in a mean 2.5 rooms. These findings can help shape the delivery of family planning and primary health services to these residents, and also help to define an appropriate housing policy.