Billings County is one of about 3,141 counties and county equivalents in the United States. It has 1,151.4 sq. miles in land area and a population density of 0.7 per square mile. In the last three decades of the 1900s its population declined by 25.9%. On the most recent census form, 99.9% of the population reported only one race, with 0.3% of these reporting African-American. The population of this county is 0.5% Hispanic (of any race). The average household size is 2.20 persons compared to an average family size of 2.70 persons. In 2010 mining was the largest of 20 major sectors. It had an average wage per job of $91,428. Per capita income grew by 103.5% between 1999 and 2009 (adjusted for inflation).

People & Income Overview (By Place of Residence)	Value	Rank in U.S.	Industry Overview (2010) (By Place of Work)	Value	Rank in U.S.
Population (2010 Census Count)	783	3119	Covered Employment	498	3068
Growth (%) since 1990	-29.3%	3094	Avg wage per job	$40,722	449
Households (2010)	358	3196	Manufacturing - % all jobs in County	N/A	N/A
Labor Force (persons) (2010)	563	3108	Avg wage per job	N/A	N/A
Unemployment Rate (2010)	2.5	3135	Transportation & Warehousing - % all jobs in County	0.2%	3112
Per Capita Personal Income (2009)	$39,154	520	Avg wage per job	$57,751	121
Median Household Income (2009)	$45,844	980	Health Care, Social Assist. - % all jobs in County	N/A	N/A
Poverty Rate (2009)	10.4	2628	Avg wage per job	N/A	N/A
H.S. Diploma or More - % of Adults 25+ (2010 ACS 5yr)	89.1	684	Finance and Insurance - % all jobs in County	N/A	N/A
Bachelor's Deg. or More - % of Adults 25+ (2010 ACS 5yr)	16.8	1,612	Avg wage per job	N/A	N/A