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· Net farm self-employment income <br /> · Social Security and railroad retirement <br /> income <br /> · Public assistance income <br /> · All other income such as interest, divi- <br /> dends, veteran's payments, pensions, <br /> unemployment insurance, alimony, etc. <br /> <br /> The total represents the amount of in- <br />come received before deductions for per- <br />sonal income taxes, Social Security, bond <br />purchases, union dues, medicare deduc- <br />lions, etc. <br /> <br /> Receipts from the following sources are <br />not included as income: Money received <br />from the sale of personal property; capital <br />gains; the value of income "in kind" such as <br />food produced and consumed in the home <br />or free living quarters; withdrawal of bank <br />deposits; money borrowed; tax refunds; ex- <br />change of money between relatives livin§ <br />in the same household; gifts and lump sum <br />inheritances, insurance payments, and <br />other types of lump sum receipts. <br /> <br /> County Estimates <br /> <br /> At the county level, 1977 PCI estimates <br />were developed by carrying forward the <br />· 1970 census per capita amount for each in- <br />come type listed above. Census wage and <br />salary per capita income amounts were up- <br />dated using the percent change in the IRS <br />wage and salary per exemption. For the re- <br />maining income types, the percent chang~ <br />in the BEA per capita amounts were used. <br />The 1977 per capita amounts for each in- <br />come type were then multiplied by the <br />April 1, 1970 population estimate, and the <br />resulting county income aggregates were <br /> <br />adjusted to State income aggregates.. For <br />each county the aggregate amounts for <br />each income type were added to get an <br />estimated 1977 total money income, which <br />was then divided by the estimated popu- <br />lation to derive the 1977 PCI estimate. <br /> <br /> Subcounty Governmental Unit Estimates <br /> <br /> For all townships and municipalities, the . <br />updates were also developed using per <br />capita amounts. Updated census estimates <br />of Adjusted Gross Income per capita were <br />developed using the percent change in IRS <br />Adjusted Gross Income per exemption. <br />The estimates for Social Security, public as- <br />sistance and other forms of transfer income <br />were made by assuming that the 1970 Cen- <br />sus per capita amounts for this income type <br />grew at the same rate as that for the county. <br /> <br /> The rates of change in per capita income <br />for governmental units with a 1970 popula- <br />lion un~Jer 1,000 were computed in the <br />same manner as those for larger areas. How- <br />ever, the 1970 census per capita income <br />figures were not used as the base figure for <br />these small area estimates. The 1969 base <br />per capita income estimates for these areas <br />were developed by computing a weighted <br />average of their 1970 Census value and a <br />regression estimate. This procedure was <br />used to improve the statistical accuracy of <br />these estimates. <br /> <br /> The PCI estimates for all townships and <br />for all municipalities outside of townships <br />were adjusted to the county estimates to <br />ensure conformity. The estimates for mu- <br />nicipalities located within townships were <br />adjusted to the township estimates. <br /> <br />7 <br /> <br /> <br />