Abstract: This research focused to access the impact of population growth on the socio-economic status of households in Somolu local government area of Lagos state in South-West region of Nigeria. About 200 respondents were used as the sample size which were obtained using the following processes after paying several research visit to the Somolu local government area in order to gain the first hand information. The survey questionnaires were validated following a pilot test and reliability test. Descriptive statistics provide background information for sample characteristics. Background information includes the profiles of the respondents (gender, role, educational level, sex, household size). Frequency distributions and percentages provided an overview of the collected data. These were displayed in the form of graphs and tables. It was observed that the population of youths within the ages of 25-35 dominates across the four zones. A high proportion of individuals were within the ages of 36-45. This characterizes a population of fertile, actively reproducing individuals. The male population seems to dominate in all the zones, compared to the females. There were a higher proportion of unmarried individuals, among which might also be dating in courtship or living with a significant other without a legal union. There are also a good number of married couples living together in the zones. A high number of participants from Ilaje/Chemist and Bajulaiye had no formal education. More individuals form Fadeyi were educated up to the Tertiary level and the average were distribution was across the primary and secondary levels of education. The highest proportion of the population felt that the increase in population had a negative effect on their health including but not limited to access to healthcare services, access to a clean environment, access to childcare and maternity services. This study attempted to examine the impact of population growth on the socio-economic status of households in Somolu local government area. Findings evidenced a trend of large families with sources of income that is insufficient or not sufficient enough to cater for its members. The households also felt that the effect of increase in population was negative with relation to the health, accommodation, income and livelihood.