The population of Spencer county is estimated at 18,239. In 2017 there were 189 births and 154 deaths in Spencer county. Spencer county has 4,075 housing units that are owned with a mortgage or a loan, 1,097 that are owned free and clear and 993 that are renter occupied.

  The upstanding residents of Spencer County filed 8,410 federal tax returns in 2017. This amount represents 0.4% of all Kentucky filings and 0.006% of the entire nation. Spencer had a combined total federal tax liability of $72,653,000 on earned income of $532,001,000. Other notable statistics from Spencer County were 380 unemployment claims which collected a total of $1,050,000 and 2,660 charitable contributions valued at $8,507,000. 3,100 filings from Spencer County paid a combined total of $6,677,000 in property taxes and 2,910 filings paid $19,348,000 on mortgage interest costs.

  In 2010 Spencer county had 23 religious congregations with an estimated 5,680 members.
19.8% of the Spencer population has a college level Bachelors degree or higher. 11.2% have less than a highschool diploma level education.

Approximately 52% of Spencer County voted in the presidential election of 2016. This represents an increase from the 2012 election by 1,078 votes.
At $80,808 the median income is 167.2% of the Kentucky average. An estimated 378 people claimed to be unemployed last year in Spencer, the equivalant of around 3.8% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 3.9%.

Top 15 Industries in Spencer County.
Total # Employed	Industry Job Type
233	Retail trade
219	Health care and social assistance
187	Accommodation and food services
187	Food services and drinking places
181	Limited-service restaurants
93	Food and beverage stores
55	Finance and insurance
54	Gasoline stations
49	Professional, scientific, and technical services
20	Services to buildings and dwellings
3	Computer systems design and related services
0	Other motor vehicle dealers
0	Motor vehicle and parts dealers
0	Automobile dealers
0	Used car dealers

In 2018 17.28% of listings in Spencer County.

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