DeKalb County is one of about 3,141 counties and county equivalents in the United States. It has 777.9 sq. miles in land area and a population density of 88.1 per square mile. In the last three decades of the 1900s its population grew by 53.5%. On the 2000 census form, 98.4% of the population reported only one race, with 1.7% of these reporting African-American. The population of this county is 5.6% Hispanic (of any race). The average household size is 2.53 persons compared to an average family size of 2.98 persons. In 2008 manufacturing was the largest of 20 major sectors. It had an average wage per job of $33,082. Per capita income grew by 7.1% between 1997 and 2007 (adjusted for inflation).

People & Income Overview (By Place of Residence)	Value	Rank in U.S.	Industry Overview (2008) (By Place of Work)	Value	Rank in U.S.
Population (2008)	68,515	766	Covered Employment	23,171	803
Growth (%) since 1990	25.4%	789	Avg wage per job	$29,894	1928
Households (2000)	25,113	743	Manufacturing - % all jobs in County	36.4%	94
Labor Force (persons) (2008)	30,568	823	Avg wage per job	$33,082	2032
Unemployment Rate (2008)	5.2	1776	Transportation & Warehousing - % all jobs in County	0.5%	2822
Per Capita Personal Income (2007)	$25,327	2364	Avg wage per job	$40,153	1233
Median Household Income (2007)	$35,558	2364	Health Care, Social Assist. - % all jobs in County	9.9%	1266
Poverty Rate (2007)	18.4	752	Avg wage per job	$30,157	1286
H.S. Diploma or More - % of Adults 25+ (2000)	63.8	2,891	Finance and Insurance - % all jobs in County	2.6%	1353
Bachelor's Deg. or More - % of Adults 25+ (2000)	8.3	2,977	Avg wage per job	$33,429	2107