County population in 2012: 511 (all rural); it was 493 in 2000 County owner-occupied with a mortgage or a loan houses and condos in 2010: 55 County owner-occupied free and clear houses and condos in 2010: 108 County owner-occupied houses and condos in 2000: 157 Renter-occupied apartments: 62 (it was 54 in 2000)
% of renters here:
Land area: 1654 sq. mi. Water area: 20.1 sq. mi.
Population density: 0 people per square mile
Mar. 2012 cost of living index in Petroleum County: 86.5 (less than average, U.S. average is 100)
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Industries providing employment: Agriculture,forestry,fishing and hunting, and mining (51.8%), Educational,health and social services (13.9%).
Median real estate property taxes paid for housing units with mortgages in 2009: $492 (0.7%) Median real estate property taxes paid for housing units with no mortgage in 2009: $700 (0.6%)
Percentage of residents living in poverty in 2009: 14.6%
(12.1% for White Non-Hispanic residents, 100.0% for Black residents, 25.0% for Hispanic or Latino residents, 100.0% for other race residents, 0.0% for two or more races residents) Median age of residents in 2010: 47 years old
(Males: 47 years old, Females: 47 years old)
(Median age for: White residents: 47 years old, Hispanic or Latino residents: 16 years old)
Residents with income below the poverty level in 2009:
Residents with income below 50% of the poverty level in 2009:
Fair market rent in 2006 for a 1-bedroom apartment in Petroleum County is $424 a month. Fair market rent for a 2-bedroom apartment is $503 a month. Fair market rent for a 3-bedroom apartment is $678 a month.
Lakes and reservoirs: Little Bear Lake (A), Wild Horse Lake (B), Headman-Field Reservoir (C), War Horse Lake (D), Petrolia Lake (E), Yellow Water Reservoir (F), War Horse Lake (G), Prtrolla Lake (H). Display/hide their locations on the map
Rivers and creeks: Bender Creek (A), Bear Creek (B), Box Elder Creek (C), Brickyard Creek (D), Buffalo Creek (E), Cat Creek (F), Cottonwood Creek (G), Sacagawea River (H), Dovetail Creek (I). Display/hide their locations on the map
Average size of farms: 6045 acres Average value of agricultural products sold per farm: $101,877 Average value of crops sold per acre for harvested cropland: $37.59 The value of nursery, greenhouse, floriculture, and sod as a percentage of the total market value of agricultural products sold: 0.00% The value of livestock, poultry, and their products as a percentage of the total market value of agricultural products sold: 88.70% Average total farm production expenses per farm: $103,925 Harvested cropland as a percentage of land in farms: 5.07% Average market value of all machinery and equipment per farm: $118,205 The percentage of farms operated by a family or individual: 64.04% Average age of principal farm operators: 56 years Average number of cattle and calves per 100 acres of all land in farms: 3.50 Milk cows as a percentage of all cattle and calves: 0.04% All wheat for grain: 14720 harvested acres
Petroleum County historical area-adjusted tornado activity is slightly above Montana state average. It is 9.0 times below overall U.S. average.
Petroleum County-area historical earthquake activity is significantly below Montana state average. It is 97% smaller than the overall U.S. average.
On 11/26/2007 at 06:27:32, a magnitude 4.1 (4.1 ML, Depth: 1.1 mi, Class: Light, Intensity: IV - V) earthquake occurred 27.9 miles away from the county center On 12/5/1991 at 10:10:00, a magnitude 3.0 (3.0 ML, Depth: 6.2 mi, Class: Light, Intensity: II - III) earthquake occurred 71.6 miles away from the county center Magnitude types: local magnitude (ML)
Most recent natural disasters:
Montana Hurricane Katrina Evacuation, Incident Period: August 29, 2005 to October 1, 2005, Emergency Declared (EM-3253): September 13, 2005, FEMA Id: FEMA-EM-3253, Natural disaster type: Hurricane
Montana Wildfires, Incident Period: July 13, 2000 to September 25, 2000, Major Disaster (Presidential) Declared (DR-1340): August 30, 2000, FEMA Id: FEMA-DR-1340, Natural disaster type: Fire
Montana Heavy Rains, Flooding, Landslides, Incident Period: February 24, 1986 to March 7, 1986, Major Disaster (Presidential) Declared (DR-761): March 15, 1986, FEMA Id: FEMA-DR-761, Natural disaster type: Landslide, Flood, Heavy Rain
The number of natural disasters in Petroleum County (3) is a lot smaller than the US average (12). Major Disasters (Presidential) Declared: 2 Emergencies Declared: 1
Vehicle and mobile equipment mechanics, installers, and repairers (9%)
Electrical equipment mechanics and other installation, maintenance, and repair occupations including supervisors (4%)
Construction trades workers except carpenters, electricians, painters, plumbers, and construction laborers (3%)
Preschool, kindergarten, elementary and middle school teachers (2%)
Secondary school teachers (2%)
Farmers and farm managers (22%)
Preschool, kindergarten, elementary and middle school teachers (21%)
Cooks and food preparation workers (9%)
Bookkeeping, accounting, and auditing clerks (9%)
Agricultural workers including supervisors (8%)
Other office and administrative support workers including supervisors (6%)
Food and beverage serving workers except waiters/waitresses (4%)
Most common places of birth for the foreign-born residents (%):
Most common first ancestries reported in Petroleum County (%):
United States or American (14%)
French (except Basque) (4%)
Means of transportation to work:
Drove a car alone: 80 (35%)
Carpooled: 34 (15%)
Walked: 56 (25%)
Other means: 3 (1%)
Worked at home: 55 (24%)
Owners and renters by unit type in %
Breakdown of mean house values by ages of householders
Average gross adjusted income of non-migrant taxpayers in this county in 2005 was $27,584.
8.76% of this county's 2006 resident taxpayers lived in other counties in 2005 ($19,500 average adjusted gross income)
10 or fewer of this county's residents moved from foreign countries.
10 or fewer of this county's residents relocated from other counties in Montana.
10 or fewer of this county's residents relocated from other states.
Percentage of residents relocating from other counties or countries
10.71% of this county's 2005 resident taxpayers moved to other counties in 2006 ($23,467 average adjusted gross income)
10 or fewer of this county's residents moved to foreign countries.
10 or fewer of this county's residents relocated to other counties in Montana.
10 or fewer of this county's residents relocated to other states.
Percentage of residents relocating to other counties or countries
Births per 1000 population from 1990 to 1999: 10.4 Births per 1000 population from 2000 to 2006: 9.0
Births per 1000 population in Petroleum County
Deaths per 1000 population from 1990 to 1999: 7.8 Deaths per 1000 population from 2000 to 2006: 6.9
Deaths per 1000 population in Petroleum County
Infant deaths per 1000 live births from 1990 to 1999: 0.0 Infant deaths per 1000 live births from 2000 to 2006: 0.0
Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare) in July 1, 2003: 77 (0 aged, 0 disabled) Population without health insurance coverage in 2000: 28% Children under 18 without health insurance coverage in 2000: 30%
General practice office based MDs per 100,000 population in 2005: 851.060
Household type by relationship:
In family households: 409 (127 male householders, 16 female householders)
124 spouses, 133 children (118 natural, 3 adopted, 12 stepchildren), 2 grandchildren, 1 brothers or sisters, 1 parents, 0 other relatives, 5 non-relatives
In nonfamily households: 85 (57 male householders (54 living alone)), 25 female householders (25 living alone)), 3 nonrelatives
Size of family households: 77 2-persons, 30 3-persons, 20 4-persons, 11 5-persons, 5 6-persons.
Size of nonfamily households: 79 1-person, 3 2-persons.
93.9% of residents of Petroleum County speak English at home.
2.6% of residents speak Spanish at home (100% speak English very well).
1.3% of residents speak other Indo-European language at home (100% speak English very well).
2.2% of residents speak other language at home (100% speak English very well).
In fiscal year 2004:
Federal Government expenditure: $5,028,000 ($10220 per capita) Department of Defense expenditure: $58,000 Federal direct payments to individuals for retirement and disability: $1,050,000 Federal other direct payments to individuals: $523,000 Federal direct payments not to individuals: $2,620,000 Federal grants: $507,000 Federal procurement contracts: $83,000 ($0,000 Department of Defense) Federal salaries and wages: $244,000 ($0,000 Department of Defense) Federal Government direct loans: $20,000 Federal guaranteed/insured loans: $0,000 Federal Government insurance: $3,157,000
Population change from April 1, 2000 to July 1, 2005:
53 per 1000 residents
62 per 1000 residents
34 per 1000 residents
47 per 1000 residents
Net international migration: -1
-2 per 1000 residents
+2 per 1000 residents
Net internal migration: -29
-62 per 1000 residents
+20 per 1000 residents
Population growth in Petroleum County
Total withdrawal of fresh water for public supply: 0.01 millions of gallons per day (all from ground)
Median number of rooms in houses and condos:
Median number of rooms in apartments:
Year house built
2005 or later: 0
2000 to 2004: 4
1990 to 1999: 49
1980 to 1989: 30
1970 to 1979: 28
1960 to 1969: 19
1950 to 1959: 19
1940 to 1949: 27
1939 or earlier: 95
Rooms in houses/apartments in Petroleum County, Montana
66% of Petroleum County residents lived in the same house 5 years ago. Out of people who lived in different houses, 19% lived in this county. Out of people who lived in different counties, 72% lived in Montana.
Place of birth for U.S.-born residents:
This state: 332
Median price asked for vacant for-sale houses in 2000: $9,999
Housing units lacking complete plumbing facilities: 5%
Housing units lacking complete kitchen facilities: 3%
Year Householders Moved Into Unit:
Most commonly used house heating fuel in Petroleum County