Harrison County is one of about 3,141 counties and county equivalents in the United States. It has 485.2 sq. miles in land area and a population density of 75.9 per square mile. In the last three decades of the 1900s its population grew by 68.1%. On the 2000 census form, 99.4% of the population reported only one race, with 0.4% of these reporting African-American. The population of this county is 1.0% Hispanic (of any race). The average household size is 2.63 persons compared to an average family size of 3.04 persons. In 2006 manufacturing was the largest of 20 major sectors. It had an average wage per job of $32,120. Per capita income grew by 12.4% 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)	36,810	1233	Covered Employment	11,455	1323
Growth (%) since 1990	23.2%	854	Avg wage per job	$27,297	2055
Households (2000)	12,917	1282	Manufacturing - % all jobs in County	14.8%	1176
Labor Force (persons) (2007)	19,727	1165	Avg wage per job	$32,120	1879
Unemployment Rate (2007)	4.4	1722	Transportation & Warehousing - % all jobs in County	2.0%	1652
Per Capita Personal Income (2006)	$29,261	1108	Avg wage per job	$32,732	2314
Median Household Income (2005)	$46,420	566	Health Care, Social Assist. - % all jobs in County	0.0%	2174
Poverty Rate (2005)	9.0	2710	Avg wage per job	$0	2175
H.S. Diploma or More - % of Adults 25+ (2000)	80.3	1,377	Finance and Insurance - % all jobs in County	2.6%	1396
Bachelor's Deg. or More - % of Adults 25+ (2000)	13.1	1,874	Avg wage per job	$33,577	1746