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 76.4 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 2008 manufacturing was the largest of 20 major sectors. It had an average wage per job of $35,177. Per capita income grew by 14.6% 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)	37,067	1234	Covered Employment	11,310	1330
Growth (%) since 1990	24.0%	841	Avg wage per job	$29,364	2086
Households (2000)	12,917	1282	Manufacturing - % all jobs in County	13.9%	1155
Labor Force (persons) (2008)	19,605	1171	Avg wage per job	$35,177	1786
Unemployment Rate (2008)	5.9	1333	Transportation & Warehousing - % all jobs in County	2.5%	1356
Per Capita Personal Income (2007)	$30,966	1145	Avg wage per job	$32,691	2561
Median Household Income (2007)	$50,418	569	Health Care, Social Assist. - % all jobs in County	D	N/A
Poverty Rate (2007)	9.7	2574	Avg wage per job	D	N/A
H.S. Diploma or More - % of Adults 25+ (2000)	80.3	1,377	Finance and Insurance - % all jobs in County	2.6%	1353
Bachelor's Deg. or More - % of Adults 25+ (2000)	13.1	1,874	Avg wage per job	$36,964	1567