According to the a 1960 census, the population in Palmer Township was slightly more than 8,000. In 1969, a special federal census showed a population of 12,252, including 5,982 white males, 6,249 white females, seven non-white males and 14 non-white females. By 1970, the population further grew to 12,601, making it the third largest municipality in Northampton County. Between 1960 and 1970, the assessed value of the township jumped from $24 million to $42 million, and the township budget grew from $93,000 to about $1 million. Also throughout that decade, an average of 125 living units per year were constructed, with the average housing value falling between $23,000 and $25,000. In 1970, about 35 percent of the land was in agriculture, mostly in the northern portion of the township.