Transportation planning in the Tyler urbanized area is performed by the Tyler Area MPO in close cooperation with the TxDOT. The travel demand forecast model for the area is maintained by TxDOT using the TRIPCAL5 program for the trip generation. This model is an excellent ‘what if’ tool in the MPO planners arsenal. However, it requires various demographic data, including population, number of households, average household size, median household income, and employment for the base year and the forecast years as inputs. The Tyler Area MPO is responsible for providing this required demographic data to TxDOT. The Tyler Area MPO has requested the resources of a consulting firm to assist in developing 2018 base-year and 2050 planning horizon-year socioeconomic data inputs to the TRIPCAL5 trip generation program. In addition, the MPO will need intermediate year data (2023, 2028, and 2033). These inputs include population, households, income and employment. The following general steps will be employed in the development of the demographic and socioeconomic data: Collect data from various data sources, both public and private. Develop population, group quarter, household, and employment control totals for base year and forecast years Develop base year population, household, and employment numbers at the TAZ level. Develop forecast year population, household, and employment numbers at the TAZ level. Develop median income for TAZs for base year, and estimate trends to forecast future years. Conduct demographic review for reasonableness and completeness. Document the methodology used with this report. A quality control process will be used to ensure the accuracy of the results produced. Both the accuracy of the calculations and the reasonableness of the results will be assessed during the quality control process.