The population of Columbia county is estimated at 147,451. In 2017 there were 1,826 births and 954 deaths in Columbia county. Columbia county has 28,017 housing units that are owned with a mortgage or a loan, 7,458 that are owned free and clear and 9,423 that are renter occupied.

  The good residents of Columbia County filed 63,670 federal tax returns in 2017. This amount represents 1.4% of all Georgia filings and 0.043% of the entire nation. Columbia had a combined total federal tax liability of $673,208,000 on earned income of $4,612,823,000. Other notable statistics from Columbia County were 1,320 unemployment claims which collected a total of $4,078,000 and 22,300 charitable contributions valued at $152,360,000. 22,880 filings from Columbia County paid a combined total of $65,754,000 in property taxes and 20,890 filings paid $150,443,000 on mortgage interest costs.

  In 2010 Columbia county had 103 religious congregations with an estimated 47,891 members.
34.4% of the Columbia population has a college level Bachelors degree or higher. 7.7% have less than a highschool diploma level education.

About 44% of Columbia County voted in the presidential election of 2016. This is an increase from the 2012 election by 5,348 votes.
At $75,832 the median income is 135.1% of the Georgia average. An estimated 3,047 people claimed to be unemployed last year in Columbia, the equivalant of around 4.2% 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 Columbia County.
Total # Employed	Industry Job Type
5,383	Retail trade
3,389	Accommodation and food services
3,235	Food services and drinking places
3,154	Restaurants and other eating places
3,078	Health care and social assistance
2,978	Manufacturing
1,961	Ambulatory health care services
1,603	Full-service restaurants
1,456	Limited-service restaurants
1,348	Professional, scientific, and technical services
1,259	Food and beverage stores
1,157	Grocery stores
1,040	Motor vehicle and parts dealers
969	Machinery manufacturing
882	Wholesale trade

In 2018 the average price reduction was 2.25% in Columbia County (averaging across 3 zip codes; 30907, 30809 and 30813).

In 2018 12.36% of listings in Columbia County (averaging across 4 zip codes; 30809, 30814, 30907 and 30813) dropped their price.

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