Terrace and Pembroke Road which was a dirt road to University Drive. There were no other transportation routes of any kind supplying access to the new community. Miramar's early city fathers advocated the philosophy of planned and controlled growth. The city adopted a Comprehensive Land Use Plan in 1972 before cities and counties were mandated to do so. This provided the framework for the orderly development of future growth. Two-thirds of the land within city limits is currently undeveloped. Geography According to the United States Census Bureau, the city has a total area of , of which is land and (5.66%) is water. A 2017 study put the city in fifth place for US cities most vulnerable to coastal flooding, with 93,000 residents living within FEMA's coastal floodplain. The city is bordered by the following municipalities: To the north: Pembroke Pines To the northeast: Hollywood To the east: West Park To the south: Miami-Dade County Demographics 2020 census As of the 2020 United States census, there were 134,721 people, 39,853 households, and 31,042 families residing in the city. 2010 census As of 2010, there were 40,294 households, with 7.1% being vacant. As of 2000, 48.2% had children under the age of 18 living with them, 56.0% were married couples living together, 19.1% had a female householder with no husband present, and 19.1% were non-families. 14.3% of all households were made up of individuals, and 3.3% had someone living alone who was 65 years of age or older. The average household size was 3.15 and the average family size was 3.48. In 2000, the city's population was spread out, with 31.0% under the age of 18, 8.6% from 18 to 24, 35.4% from 25 to 44, 18.7% from 45 to 64, and 6.3% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 90.8 males. For every 100 females age 18 and over, there were 85.0 males. In 2000, the median income for a household in the city was $50,289, and the median income for a family was $52,952. Males had a median income of $34,145 versus $28,283 for females. The per capita income for the city was $18,462. About 7.0% of families and 8.2% of the population were below the poverty line, including 9.8% of those under age 18 and 8.5% of those age 65 or over. As of 2000,