Mahnomen County is one of about 3,141 counties and county equivalents in the United States. It has 556.1 sq. miles in land area and a population density of 9.7 per square mile. In the last three decades of the 1900s its population declined by 7.9%. On the most recent census form, 91.4% of the population reported only one race, with 0.2% of these reporting African-American. The population of this county is 1.8% Hispanic (of any race). The average household size is 2.60 persons compared to an average family size of 3.10 persons. In 2010 Public administration was the largest of 20 major sectors. It had an average wage per job of $32,290. Per capita income grew by 21.2% 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)	5,413	2828	Covered Employment	1,917	2656
Growth (%) since 1990	7.3%	1759	Avg wage per job	$27,478	2734
Households (2010)	2,019	2910	Manufacturing - % all jobs in County	D	N/A
Labor Force (persons) (2010)	2,572	2823	Avg wage per job	D	N/A
Unemployment Rate (2010)	8.1	1936	Transportation & Warehousing - % all jobs in County	2.4%	1379
Per Capita Personal Income (2009)	$29,718	2041	Avg wage per job	$33,176	2656
Median Household Income (2009)	$33,834	2564	Health Care, Social Assist. - % all jobs in County	0.1%	2193
Poverty Rate (2009)	19.7	781	Avg wage per job	$60,524	43
H.S. Diploma or More - % of Adults 25+ (2010 ACS 5yr)	83.6	1,731	Finance and Insurance - % all jobs in County	2.7%	1254
Bachelor's Deg. or More - % of Adults 25+ (2010 ACS 5yr)	13.5	2,322	Avg wage per job	$30,743	2480