Back to: Madison County, Illinois (IL), All US cities.
Land area: 35.8 sq. mi. Water area: 0.0 sq. mi. Population: 12,062 (77% urban, 23% rural)
Races in Jarvis township:
Median age of males: 34.7 Median age of females: 35.3
Average houshold size: 2.80 Average family size: 3.17
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Cities in this township include: Troy.
Notable locations in this township outside city limits:
Cemeteries: Hoenig Family Cemetery, Loyet Family Cemetery, Gilead Cemetery, Schmidt Family Cemetery, Bohnenstiehl Family Cemetery, Lagenwalter Family Cemetery, Watt Cemetery. Reservoir: Twin Lakes. Streams, rivers, and creeks: Wendell Branch, Lake Fork, Mill Creek.
Cemeteries: Hoenig Family Cemetery, Loyet Family Cemetery, Gilead Cemetery, Schmidt Family Cemetery, Bohnenstiehl Family Cemetery, Lagenwalter Family Cemetery, Watt Cemetery.
Reservoir: Twin Lakes.
Streams, rivers, and creeks: Wendell Branch, Lake Fork, Mill Creek.
Number of foreign born residents: 101 (62% naturalized citizens)
57% of Jarvis township residents lived in the same house 5 years ago. Out of people who lived in different houses, 55% lived in this county. Out of people who lived in different counties, 62% lived in Illinois.
Place of birth for U.S.-born residents:
Median price asked for vacant for-sale houses in 2000: $132,800
Housing units in structures:
Median worth of mobile homes: $32,300
Housing units in Jarvis township with a mortgage: 2,419 (237 second mortgage, 259 home equity loan, 0 both second mortgage and home equity loan) Houses without a mortgage: 609
Means of transportation to work
97.9% of residents of Jarvis township speak English at home. 0.8% of residents speak Spanish at home (80% speak English very well, 5% speak English well, 14% speak English not well). 0.9% of residents speak other Indo-European language at home (91% speak English very well, 9% speak English not well). 0.4% of residents speak Asian or Pacific Island language at home (85% speak English very well, 15% speak English well).
Household type by relationship
2,885 spouses, 4,239 children (3,928 natural, 115 adopted, 196 stepchildren), 145 grandchildren, 61 brothers or sisters, 53 parents, 63 other relatives, 137 non-relatives
Size of family households: 1,219 2-persons, 843 3-persons, 925 4-persons, 335 5-persons, 104 6-persons, 18 7-or-more-persons.
Size of nonfamily households: 731 1-person, 85 2-persons, 23 3-persons, 8 4-persons, 5 5-persons.
2,773 married couples with children. 588 single-parent households (129 men, 459 women).
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