Rockcastle County is one of about 3,141 counties and county equivalents in the United States. It has 317.5 sq. miles in land area and a population density of 52.6 per square mile. In the last three decades of the 1900s its population grew by 34.8%. On the 2000 census form, 99.4% of the population reported only one race, with 0.1% of these reporting African-American. The population of this county is 0.6% Hispanic (of any race). The average household size is 2.49 persons compared to an average family size of 2.95 persons. In 2007 health care and social assistance was the largest of 20 major sectors. It had an average wage per job of $31,406. Per capita income grew by 15.1% between 1996 and 2006 (adjusted for inflation).

People & Income Overview (By Place of Residence)	Value	Rank in U.S.	Industry Overview (2007) (By Place of Work)	Value	Rank in U.S.
Population (2007)	16,687	1980	Covered Employment	3,298	2338
Growth (%) since 1990	12.7%	1379	Avg wage per job	$25,947	2647
Households (2000)	6,544	1969	Manufacturing - % all jobs in County	7.5%	1960
Labor Force (persons) (2007)	7,465	2074	Avg wage per job	$37,253	1458
Unemployment Rate (2007)	6.5	436	Transportation & Warehousing - % all jobs in County	0.8%	2445
Per Capita Personal Income (2006)	$19,463	3029	Avg wage per job	$39,094	1245
Median Household Income (2005)	$27,364	2932	Health Care, Social Assist. - % all jobs in County	24.1%	35
Poverty Rate (2005)	25.4	230	Avg wage per job	$31,406	1082
H.S. Diploma or More - % of Adults 25+ (2000)	57.7	3,083	Finance and Insurance - % all jobs in County	0.0%	2758
Bachelor's Deg. or More - % of Adults 25+ (2000)	8.3	2,977	Avg wage per job	$0	2762