The population of Smith county is estimated at 19,466. In 2017 there were 231 births and 207 deaths in Smith county. Smith county has 3,369 housing units that are owned with a mortgage or a loan, 2,298 that are owned free and clear and 1,743 that are renter occupied.

  The upstanding residents of Smith County filed 8,480 federal tax returns in 2017. This amount represents 0.3% of all Tennessee filings and 0.006% of the entire nation. Smith had a combined total federal tax liability of $60,148,000 on earned income of $430,547,000. Other notable statistics from Smith County were 230 unemployment claims which collected a total of $574,000 and 770 charitable contributions valued at $4,830,000. 870 filings from Smith County paid a combined total of $1,296,000 in property taxes and 730 filings paid $4,880,000 on mortgage interest costs.

  In 2010 Smith county had 46 religious congregations with an estimated 6,417 members.
11.2% of the Smith population has a college level Bachelors degree or higher. 16.2% have less than a highschool diploma level education.

About 38% of Smith County voted in the presidential election of 2016. This represents an increase from the 2012 election by 329 votes.
At $47,653 the median income is 92.9% of the Tennessee average. An estimated 318 people claimed to be unemployed last year in Smith, the equivalant of around 3.5% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 4.6%.

Top 15 Industries in Smith County.
Total # Employed	Industry Job Type
959	Manufacturing
579	Retail trade
239	Motor vehicle parts manufacturing
239	Transportation equipment manufacturing
72	Gasoline stations
72	Gasoline stations with convenience stores
51	Health and personal care stores
51	Pharmacies and drug stores
46	Grocery stores
35	Lawn and garden equipment and supplies stores
35	Nursery, garden center, and farm supply stores
33	Administrative and support and waste management and remediation services
33	Administrative and support services
23	Miscellaneous store retailers
21	Real estate and rental and leasing

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