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Population (year 2000): 687. Estimated
population in July 2005: 690 (+0.4% change)
Males: 320 (46.6%), Females: 367 (53.4%)
Benton County
Zip code:
52249
Median resident age: 39.6 years
Median household income: $36,458 (year 2000)
Median house value: $69,100 (year 2000)
Races in Keystone:
- White Non-Hispanic (99.1%)
Ancestries: German (54.6%), Irish (7.7%), United
States (6.7%), Danish (4.1%), Norwegian (3.1%), Czech (2.3%).
Elevation: 860 feet
Land area: 0.4 square miles
For population 25 years and over in Keystone
- High school or higher: 80.8%
- Bachelor's degree or higher: 14.4%
- Graduate or professional degree: 7.3%
- Unemployed: 5.4%
- Mean travel time to work: 27.2 minutes
For population 15
years and over in Keystone city
- Never married: 14.2%
- Now married: 63.1%
- Separated: 2.4%
- Widowed: 13.3%
- Divorced: 6.9%
1.3% Foreign born
Population change in the 1990s: +119 (+21.0%).
Hospitals/medical centers near Keystone:
- MARENGO MEMORIAL HOSPITAL (about 17 miles; MARENGO,
IA)
- VIRGINIA GAY HOSPITAL (about 18 miles; VINTON, IA)
- COVENANT MEDICAL CENTER (about 34 miles; WATERLOO,
IA)
Airports certified for carrier operations nearest to
Keystone:
- THE EASTERN IOWA (about 36 miles; CEDAR RAPIDS, IA;
ID: CID)
- WATERLOO MUNI (about 41 miles; WATERLOO, IA; ID: ALO)
- OTTUMWA INDUSTRIAL (about 64 miles; OTTUMWA, IA; ID:
OTM)
Other public-use airports nearest to Keystone:
- BELLE PLAINE MUNI (about 11 miles; BELLE PLAINE, IA;
ID: TZT)
- VINTON VETERANS MEML ARPK (about 20 miles; VINTON,
IA; ID: VTI)
- TRAER MUNI (about 22 miles; TRAER, IA; ID: 8C6)
Colleges/universities with over 2000 students nearest to
Keystone:
- UNIVERSITY OF NORTHERN IOWA (about 34 miles; CEDAR
FALLS, IA; Full-time enrollment: 12,524)
- HAWKEYE COMMUNITY COLLEGE (about 35 miles; WATERLOO,
IA; FT enrollment: 3,292)
- KIRKWOOD COMMUNITY COLLEGE (about 36 miles; CEDAR
RAPIDS, IA; FT enrollment: 7,991)
- UNIVERSITY OF IOWA (about 52 miles; IOWA CITY, IA;
FT enrollment: 24,766)
- UPPER IOWA UNIVERSITY (about 64 miles; FAYETTE, IA;
FT enrollment: 3,173)
- INDIAN HILLS COMMUNITY COLLEGE (about 69 miles;
OTTUMWA, IA; FT enrollment: 2,744)
- NORTHEAST IOWA COMMUNITY COLLEGE-CALMAR (about 85
miles; CALMAR, IA; FT enrollment: 2,393)
Public primary/middle school in Keystone:
- KEYSTONE ELEMENTARY SCHOOL (Students: 162;
Location: 280 4TH ST; Grades: 03 - 06)
Library in Keystone:
- SCHROEDER PUBLIC LIBRARY (Operating income:
$33,846; Location: 93 MAIN; 7,313 books; 192 audio
materials; 480 video materials; 68 serial subscriptions)
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