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Black Oak township, Mahaska County, Iowa (IA)



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Black Oak township, IA map Land area: 33.3 sq. mi.
Water area: 0.0 sq. mi.
Population: 637 (all rural)

Males: 318  (49.9%)
Females: 319  (50.1%)

Occupied houses/apartments: 637 (521 owner occupied, 116 renter occupied)
% of renters here:  18%
State:  28%


Races in Black Oak township:

  • White Non-Hispanic: 98.6%
  • Asian: 0.9%
  • Two or more races: 0.5%

Median age of males: 34.4
Median age of females: 33.1

Average houshold size: 3.02
Average family size: 3.27

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Population density: 19 people per square mile 
 
 (low).

Residents with income below the poverty level in 1999:
This township:  12.2%
Whole state:  9.1%

Residents with income below 50% of the poverty level in 1999:
This township:  3.8%
Whole state:  3.8%

Cities in this township include: Leighton.

Notable locations in this township outside city limits:

Cemeteries: Black Oak Cemetery, Evergreen Cemetery, Howard Cemetery.

Creeks: Ballinger Creek, Black Oak Creek.

Number of foreign born residents: 15 (73% naturalized citizens)

Black Oak township:  2.4%
State:  3.1%

53% of Black Oak township residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 61% lived in this county.
   Out of people who lived in different counties, 65% lived in Iowa.


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

  • This state: 3122
  • Northeast: 41
  • Midwest: 495
  • South: 410
  • West: 144

Median price asked for vacant for-sale houses in 2000: $54,200

Black Oak township, Iowa satellite photo by USGS

Percentage of households with unmarried partners: 1.9%

No gay or lesbian households reported

Housing units in structures:

  • One, detached: 1,293
  • One, attached: 7
  • Two: 36
  • 3 or 4: 96
  • 5 to 9: 2
  • Mobile homes: 304

Median worth of mobile homes: $29,600


Housing units in Black Oak township with a mortgage: 672 (66 second mortgage, 16 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 169



Year house built:

  • 1999 to March 2000: 150
  • 1995 to 1998: 327
  • 1990 to 1994: 218
  • 1980 to 1989: 349
  • 1970 to 1979: 348
  • 1960 to 1969: 145
  • 1950 to 1959: 87
  • 1940 to 1949: 49
  • 1939 or earlier: 65


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

  • 1 room: 0
  • 2 rooms: 0
  • 3 rooms: 15
  • 4 rooms: 168
  • 5 rooms: 377
  • 6 rooms: 399
  • 7 rooms: 171
  • 8 rooms: 42
  • 9 or more rooms: 41


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

  • 1 room: 10
  • 2 rooms: 2
  • 3 rooms: 19
  • 4 rooms: 90
  • 5 rooms: 111
  • 6 rooms: 90
  • 7 rooms: 28
  • 8 rooms: 8
  • 9 or more rooms: 6


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

  • no bedroom: 0
  • 1 bedroom: 7
  • 2 bedrooms: 262
  • 3 bedrooms: 766
  • 4 bedrooms: 151
  • 5 or more bedrooms: 27


Bedrooms in renter-occupied apartments in Black Oak township:

  • no bedroom: 10
  • 1 bedroom: 19
  • 2 bedrooms: 124
  • 3 bedrooms: 182
  • 4 bedrooms: 27
  • 5 or more bedrooms: 2


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

  • no vehicle: 31
  • 1 vehicle: 259
  • 2 vehicles: 672
  • 3 vehicles: 191
  • 4 vehicles: 39
  • 5 or more vehicles: 21


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

  • no vehicle: 26
  • 1 vehicle: 151
  • 2 vehicles: 153
  • 3 vehicles: 23
  • 4 vehicles: 4
  • 5 or more vehicles: 7


Most common industries for males:



  • Agriculture, forestry, fishing and hunting (20%)
  • Machinery (16%)
  • Metal and metal products (10%)
  • Utilities (6%)
  • Construction (6%)
  • Educational services (6%)
  • Accommodation and food services (4%)


Most common industries for females:



  • Educational services (19%)
  • Health care (16%)
  • Metal and metal products (10%)
  • Textile mills and textile products (9%)
  • Machinery (9%)
  • Professional, scientific, and technical services (7%)
  • Social assistance (4%)


Most common occupations for males



  • Farmers and farm managers (20%)
  • Other production occupations including supervisors (9%)
  • Driver/sales workers and truck drivers (8%)
  • Metal workers and plastic workers (6%)
  • Assemblers and fabricators (6%)
  • Plant and system operators (5%)
  • Laborers and material movers, hand (4%)


Most common occupations for females



  • Bookkeeping, accounting, and auditing clerks (11%)
  • Secretaries and administrative assistants (9%)
  • Textile, apparel, and furnishings workers (9%)
  • Other production occupations including supervisors (8%)
  • Preschool, kindergarten, elementary and middle school teachers (7%)
  • Metal workers and plastic workers (7%)
  • Other office and administrative support workers including supervisors (6%)


Class of Workers


Most common first ancestries reported in Black Oak township:
  • United States or American (58.1%)
  • Irish (9.4%)
  • German (8.4%)
  • English (7.3%)
  • European (1.5%)
  • Italian (1.2%)
  • Dutch (1.2%)

Most common places of birth for the foreign-born residents:
  • Mexico (53%)
  • Japan (27%)
  • Austria (20%)

Means of transportation to work

  • Drove a car alone: 1,784 (84%)
  • Carpooled: 258 (12%)
  • Bus or trolley bus: 2 (0%)
  • Walked: 10 (0%)
  • Other means: 4 (0%)
  • Worked at home: 54 (3%)


Most commonly used house heating fuel:


  • Utility gas (41%)
  • Electricity (30%)
  • Bottled, tank, or LP gas (23%)
  • Wood (5%)

97.7% of residents of Black Oak township speak English at home.
2.0% of residents speak Spanish at home (60% speak English very well, 40% speak English not well).
0.1% of residents speak other Indo-European language at home (100% speak English very well).
0.1% of residents speak Asian or Pacific Island language at home (100% speak English very well).
0.3% of residents speak other language at home (100% speak English very well).

Household type by relationship


Households: 4,255
  • In family households: 3,889 (981 male householders, 255 female householders)
    1,039 spouses, 1,451 children (1,346 natural, 30 adopted, 75 stepchildren), 63 grandchildren, 19 brothers or sisters, 27 parents, 9 other relatives, 45 non-relatives
  • In nonfamily households: 366 (183 male householders (157 living alone)), 138 female householders (134 living alone)), 45 nonrelatives

Size of family households: 439 2-persons, 397 3-persons, 276 4-persons, 84 5-persons, 32 6-persons, 8 7-or-more-persons.

Size of nonfamily households: 291 1-person, 26 2-persons, 4 5-persons.

186 married couples with children.
10 single-parent households (6 men, 4 women).


Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 33
Here:  5.2%
Iowa:  10.8%

Students in private schools in grades 9 to 12 (high school): 7
Here:  2.6%
Iowa:  7.1%

Students in private undergraduate colleges: 8
Here:  5.6%
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 Oak township:

 

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