County of polk

iowa

History & Founding

Located in central Iowa, this county holds a significant place in the state’s history and continues to be a vibrant hub of activity. Established in 1846 from parts of Dallas and Jasper counties, its name honors James K. Polk, the eleventh President of the United States. Polk, a staunch advocate for westward expansion and the Mexican-American War, was a popular figure in the burgeoning state, and naming the county in his honor reflected the prevailing sentiment of ambition and growth. Early settlers, primarily of European descent, were drawn to the fertile land and opportunities for agriculture. An interesting anecdote from the county’s early days involves a dispute over the location of the county seat. Two towns, Fort Des Moines and Polk City, fiercely competed for the honor, eventually resolved through a legislative compromise that placed the seat in what would become Des Moines. This early conflict highlights the rapid development and political maneuvering that characterized Iowa’s formative years.

Geography & Landscape

The county occupies a strategically important position within Iowa, bordered by the Des Moines River to the east and the Raccoon River to the west. The terrain is predominantly flat, typical of the Iowa prairie, with gently rolling hills in some areas. The Des Moines River provides a vital water source and contributes to the area’s agricultural productivity. While lacking dramatic mountain ranges or large lakes, the county possesses a serene beauty characterized by expansive fields and a generally mild climate. Summers are warm and humid, while winters are cold and snowy, with average annual rainfall distributed relatively evenly throughout the year. The landscape has been largely shaped by agriculture, though efforts are underway to preserve natural areas and recreational opportunities.

Economy & Communities

The county is dominated by Des Moines, the state capital and its largest city, which serves as the economic and cultural center for the entire region. Eighteen incorporated cities and towns contribute to the county’s diverse population of over 374,000. Agriculture remains a crucial part of the economy, with corn and soybeans being major crops. However, the county has also seen significant growth in manufacturing, finance, and healthcare. Major employers include Principal Financial Group, Wells Fargo, and UnityPoint Health – Des Moines. The area’s character is a blend of urban, suburban, and rural, with a strong sense of community and a commitment to economic development. The presence of Iowa State University, located nearby, contributes to a youthful and educated workforce.

Points of Interest

Numerous points of interest draw visitors to the county. Gray’s Lake Park and the Des Moines Riverwalk offer recreational opportunities and scenic views. The Iowa State Capitol Building, a stunning example of Victorian architecture, is a must-see. The Des Moines Art Center and the Science Center of Iowa provide enriching cultural experiences. The annual Iowa State Fair, held annually in the county, is a beloved tradition and a major economic driver. Notable residents have included authors, artists, and business leaders who have contributed to Iowa’s rich cultural heritage. The county also holds the distinction of being home to the world’s largest six-story building, the Principal Tower, a testament to the region's growth and ambition.

Information

State
iowa
Type
County
Population
374,601
Land area
570 sq mi
Capital
Des Moines
Time zone
UTC-6
FIPS
19153

18 Cities

CityPopulationElevation
Des Moines198,682864 ft (263 m)
West Des Moines46,403820 ft (250 m)
Urbandale29,072-
Ankeny27,117-
Clive12,855830 ft (253 m)
Altoona10,345-
Johnston8,649830 ft (253 m)
Grimes5,098-
Pleasant Hill5,070860 ft (262 m)
Windsor Heights4,805850 ft (259 m)
Saylorville3,238880 ft (268 m)
Polk City2,344889 ft (271 m)
Bondurant1,846970 ft (296 m)
Mitchellville1,715971 ft (296 m)
Alleman4391,010 ft (308 m)
Elkhart362788 ft (240 m)
Runnells352810 ft (247 m)
Sheldahl3361,037 ft (316 m)

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