Black Hawk township, Jefferson County, Iowa (IA)

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Black Hawk township, IA map Land area: 36.7 sq. mi.
Water area: 0.0 sq. mi.
Population: 314 (all rural)

Males: 161	(51.3%)
Females: 153	(48.7%)

Occupied houses/apartments: 314 (233 owner occupied, 81 renter occupied)

% of renters here:	26%
State:	28%

Races in Black Hawk township:

White Non-Hispanic: 97.5%
Black: 1.0%

Median age of males: 40.5
Median age of females: 41.3

Average houshold size: 2.55
Average family size: 2.98

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Population density: 9 people per square mile

(low).

Residents with income below the poverty level in 1999:

This township:	19.9%
Whole state:	9.1%

Residents with income below 50% of the poverty level in 1999:

This township:	9.7%
Whole state:	3.8%

Notable locations in this township outside city limits:

Churches in Black Hawk township include: Woolson Friends Church, Pleasant Grove Church.

Cemetery: Blue Point Cemetery.

Number of foreign born residents: 14 (36% naturalized citizens)

Black Hawk township:	4.5%
State:	3.1%

68% of Black Hawk township residents lived in the same house 5 years ago.
Out of people who lived in different houses, 59% lived in this county.
Out of people who lived in different counties, 64% lived in Iowa.

Place of birth for U.S.-born residents:

This state: 2491
Northeast: 105
Midwest: 27
South: 142
West: 12

Median price asked for vacant for-sale houses in 2000: $82,000

Black Hawk township, Iowa satellite photo by USGS

Percentage of households with unmarried partners: 3.3%

No gay or lesbian households reported

Housing units in structures:

One, detached: 836
One, attached: 21
Two: 48
3 or 4: 6
5 to 9: 11
10 to 19: 6
20 to 49: 4
50 or more: 2
Mobile homes: 245

Median worth of mobile homes: $29,700

Housing units in Black Hawk township with a mortgage: 289 (34 second mortgage, 32 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 197

Year house built:

1999 to March 2000: 32
1995 to 1998: 67
1990 to 1994: 59
1980 to 1989: 181
1970 to 1979: 293
1960 to 1969: 159
1950 to 1959: 148
1940 to 1949: 79
1939 or earlier: 161

Rooms in owner-occupied houses in Black Hawk township, Iowa:

1 room: 0
2 rooms: 2
3 rooms: 36
4 rooms: 47
5 rooms: 212
6 rooms: 176
7 rooms: 104
8 rooms: 87
9 or more rooms: 56

Rooms in renter-occupied apartments in Black Hawk township, Iowa:

1 room: 2
2 rooms: 20
3 rooms: 30
4 rooms: 111
5 rooms: 94
6 rooms: 42
7 rooms: 17
8 rooms: 13
9 or more rooms: 0

Bedrooms in owner-occupied houses and condos in Black Hawk township:

no bedroom: 0
1 bedroom: 20
2 bedrooms: 109
3 bedrooms: 461
4 bedrooms: 109
5 or more bedrooms: 21

Bedrooms in renter-occupied apartments in Black Hawk township:

no bedroom: 2
1 bedroom: 51
2 bedrooms: 148
3 bedrooms: 111
4 bedrooms: 17
5 or more bedrooms: 0

Cars and other vehicles available in Black Hawk township in owner-occupied houses/condos:

no vehicle: 45
1 vehicle: 244
2 vehicles: 271
3 vehicles: 109
4 vehicles: 26
5 or more vehicles: 25

Cars and other vehicles available in Black Hawk township in n renter-occupied apartments

no vehicle: 116
1 vehicle: 110
2 vehicles: 77
3 vehicles: 20
4 vehicles: 0
5 or more vehicles: 6

Most common industries for males:

Construction (16%)
Food (8%)
Transportation equipment (6%)
Agriculture, forestry, fishing and hunting (6%)
Administrative and support and waste management services (4%)
Chemicals (3%)
Health care (3%)

Most common industries for females:

Health care (18%)
Educational services (15%)
Food (9%)
Accommodation and food services (7%)
Apparel (7%)
Social assistance (6%)
Department and other general merchandise stores (4%)

Most common occupations for males

Electrical equipment mechanics and other installation, maintenance, and repair occupations including supervisors (12%)
Driver/sales workers and truck drivers (10%)
Building and grounds cleaning and maintenance occupations (6%)
Retail sales workers except cashiers (5%)
Laborers and material movers, hand (5%)
Other production occupations including supervisors (4%)
Other sales and related workers including supervisors (3%)

Most common occupations for females

Other production occupations including supervisors (13%)
Nursing, psychiatric, and home health aides (7%)
Secretaries and administrative assistants (6%)
Building and grounds cleaning and maintenance occupations (6%)
Cashiers (5%)
Counselors, social workers, and other community and social service specialists (4%)
Preschool, kindergarten, elementary and middle school teachers (4%)

Class of Workers

Most common first ancestries reported in Black Hawk township:

United States or American (14.5%)
English (10.9%)
African (5.2%)
German (1.9%)
Irish (1.8%)
Scotch-Irish (1.6%)
Greek (0.9%)

Most common places of birth for the foreign-born residents:

Netherlands (29%)
Korea (29%)
South Africa (21%)
Other Eastern Africa (14%)

Means of transportation to work

Drove a car alone: 774 (79%)
Carpooled: 157 (16%)
Bus or trolley bus: 2 (0%)
Motorcycle: 2 (0%)
Bicycle: 3 (0%)
Walked: 13 (1%)
Other means: 24 (2%)
Worked at home: 9 (1%)

Most commonly used house heating fuel:

Bottled, tank, or LP gas (44%)
Electricity (35%)
Fuel oil, kerosene, etc. (12%)
Utility gas (5%)
Wood (3%)

96.9% of residents of Black Hawk township speak English at home.
1.9% of residents speak Spanish at home (62% speak English very well, 12% speak English well, 26% speak English not well).
0.9% of residents speak other Indo-European language at home (65% speak English very well, 26% speak English well, 9% speak English not well).
0.2% of residents speak Asian or Pacific Island language at home (100% speak English well).
0.1% of residents speak other language at home (67% speak English very well, 33% speak English well).

Household type by relationship

Households: 2,794

In family households: 2,418 (490 male householders, 269 female householders)
504 spouses, 802 children (703 natural, 28 adopted, 71 stepchildren), 140 grandchildren, 28 brothers or sisters, 39 parents, 98 other relatives, 48 non-relatives
In nonfamily households: 376 (127 male householders (99 living alone)), 170 female householders (154 living alone)), 79 nonrelatives
In group quarters: 5 (0 institutionalized population)

Size of family households: 283 2-persons, 194 3-persons, 158 4-persons, 67 5-persons, 42 6-persons, 15 7-or-more-persons.

Size of nonfamily households: 253 1-person, 27 2-persons, 14 3-persons, 2 4-persons, 1 6-persons.

67 married couples with children.
8 single-parent households (2 men, 6 women).

Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 28

Here:	8.2%
Iowa:	10.8%

Students in private schools in grades 9 to 12 (high school): 15

Here:	7.5%
Iowa:	7.1%

Students in private undergraduate colleges: 9

Here:	12.7%
Iowa:	25.4%

Educational Attainment

School Enrollment by Level of School

Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)

Age and Sex of Physically-Disabled Residents (Noninstitutionalized)

Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)

Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)

Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)

Age and Sex of Residents with Employment Disability (Noninstitutionalized)

Year Householders Moved Into Unit in Black Hawk township:

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