Sumter County is one of about 3,141 counties and county equivalents in the United States. It has 545.7 sq. miles in land area and a population density of 132.4 per square mile. In the last three decades of the 1900s its population grew by 259.5%. On the 2000 census form, 98.5% of the population reported only one race, with 13.8% of these reporting African-American. The population of this county is 6.3% Hispanic (of any race). The average household size is 2.27 persons compared to an average family size of 2.62 persons. In 2006 construction was the largest of 20 major sectors. It had an average wage per job of $28,868. Per capita income grew by 35.0% between 1996 and 2006 (adjusted for inflation).

People & Income Overview (By Place of Residence)	Value	Rank in U.S.	Industry Overview (2006) (By Place of Work)	Value	Rank in U.S.
Population (2007)	72,246	729	Covered Employment	17,413	969
Growth (%) since 1990	128.8%	28	Avg wage per job	$30,828	1207
Households (2000)	20,779	854	Manufacturing - % all jobs in County	8.2%	1904
Labor Force (persons) (2007)	33,909	750	Avg wage per job	$34,840	1573
Unemployment Rate (2007)	3.2	2659	Transportation & Warehousing - % all jobs in County	0.3%	3075
Per Capita Personal Income (2006)	$24,135	2365	Avg wage per job	$41,333	758
Median Household Income (2005)	$36,194	1750	Health Care, Social Assist. - % all jobs in County	0.0%	2174
Poverty Rate (2005)	14.4	1519	Avg wage per job	$0	2175
H.S. Diploma or More - % of Adults 25+ (2000)	77.3	1,799	Finance and Insurance - % all jobs in County	2.2%	1847
Bachelor's Deg. or More - % of Adults 25+ (2000)	12.2	2,091	Avg wage per job	$35,773	1371