Winneshiek County, Iowa Population 2018

Winneshiek County, Iowa's estimated population is 20,201 with a growth rate of -2.83% in the past year according to the most recent United States census data. Winneshiek County, Iowa is the 32nd largest county in Iowa.

Year Population Growth Growth Rate
201720,201-588-2.83%
201620,7893801.86%
201620,409-323-1.56%
201520,732390.19%
201420,693-145-0.70%
201320,838-199-0.95%
201221,037-6-0.03%
201121,043-32-0.15%
201021,0752281.09%
199020,847-1,029-4.70%
198021,8761180.54%
197021,7581070.49%
196021,651120.06%
195021,639-624-2.80%
194022,2636332.93%
193021,630-461-2.09%
192022,0913621.67%
191021,729-2,002-8.44%
190023,7311,2035.34%
189022,528-1,410-5.89%
188023,9383681.56%
187023,5709,62869.06%
186013,94213,3962453.48%
18505460.00%

Winneshiek County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White20,124
Asian244
Black or African American178
Two or More Races130
Some Other Race72
American Indian and Alaska Native41

Race Data via US Census (2016 ACS 5-Year Survey)

Winneshiek County, Iowa Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Winneshiek County, Iowa Median Age

40.6


Total

39.8


Male

41.9


Female

Winneshiek County, Iowa Adults

There are 16,881 adults, (3,763 of which are seniors) in Winneshiek County, Iowa.

Winneshiek County, Iowa Age Dependency

58.4

Age Dependency Ratio

28.7

Old Age Dependency Ratio

29.7

Child Dependency Ratio

Winneshiek County, Iowa Sex Ratio

Female

10,396

50.01%

Male

10,393

49.99%

Winneshiek County, Iowa Households and Families

Winneshiek County, Iowa Renter vs Owner Occupied by Household Type

Winneshiek County, Iowa Household Types

Type Owner Renter
Married89.8%10.2%
All77.4%22.6%
Male69.9%30.1%
Female61%39%
Non Family60.2%39.8%

77.4%

Rate of Home Ownership

Winneshiek County, Iowa Households by Type

Type Count Average Size Owned
All8,2052.2477.4
Married4,6972.8389.8
Non Family2,8291.260.2
Female4332.4861
Male2462.6869.9

2.77

Average Family Size

2.24

Average Household Size

4.6%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Winneshiek County, Iowa Households

Winneshiek County, Iowa Education

Winneshiek County, Iowa Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade3672.70%
9th to 12th Grade3872.85%
High School Graduate4,56833.66%
Some College2,56718.92%
Associates Degree1,93914.29%
Bachelors Degree2,33517.21%
Graduate Degree1,40810.38%

Winneshiek County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White13,06412,3543,522
Hispanic19916636
Asian173173167
Multiple Races5639
Other Race5546
Black544411
Native American41407

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 96.53%.

Winneshiek County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$35,050$40,742$29,533
Less Than High School$27,422$31,806$5,833
High School Grad$31,298$36,472$24,678
Some College$31,967$40,896$28,293
Bachelors Degree$40,227$43,365$36,250
Graduate Degree$54,202$70,590$52,531

$35,050

Average Earnings

$40,742

Average Male

$29,533

Average Female

Winneshiek County, Iowa Language

Winneshiek County, Iowa Language by Age

Winneshiek County, Iowa Language

96.78% of Winneshiek County, Iowa residents speak only English, while 3.22% speak other languages. The largest non-English language is Spanish, which is spoken by 1.71% of the population.

Winneshiek County, Iowa Poverty

Winneshiek County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White17,6281,3417.61%
Hispanic4037418.36%
Multiple1193428.57%
Asian2192210.05%
Other7211.39%
Native4012.50%

7.99%

Overall Poverty Rate

6.80%

Male Poverty Rate

9.25%

Female Poverty Rate

Poverty in Winneshiek County, Iowa

The race most likely to be in poverty in Winneshiek County, Iowa is Multiple, with 28.57% below the poverty level.

The race least likely to be in poverty in Winneshiek County, Iowa is Other, with 1.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.81%. Among those working part-time, it was 14.50%, and for those that did not work, the poverty rate was 14.39%.

Winneshiek County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School20.33%
High School8.10%
Some College5.84%
Bachelors or Greater3.77%

Winneshiek County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed34.12%
Male Unemployed9.24%
Female Employed7.75%
Male Employed3.96%

Winneshiek County, Iowa Income

Winneshiek County, Iowa Income by Household Type

Name Median Mean
Households$57,009$67,862
Families$71,560$81,206
Married Families$77,002$
Non Families$30,165$41,079

Winneshiek County, Iowa Marital Status

Winneshiek County, Iowa Marital Status

Marriage Rates

54.8%

Overall Marriage Rate

56.9%

Male Marriage Rate

52.7%

Female Marriage Rate

Winneshiek County, Iowa Married by Age and Sex

Winneshiek County, Iowa Marriage

The age group where males are most likely to be married is 55To64, while the female age group most likely to be married is 45To54.

Winneshiek County, Iowa Marital Status by Race

Winneshiek County, Iowa Veterans

Winneshiek County, Iowa Veterans by War

1,279

Number of Veterans

1,216

Male Veterans

63

Female Veterans

Name Veterans
Vietnam453
Korea209
World War II116
Second Gulf War107
First Gulf War87

Winneshiek County, Iowa Veterans by Age

Name Veterans
75+532
65 to 74337
55 to 64189
35 to 54169
18 to 3452

Winneshiek County, Iowa Veterans by Race

Name Veterans % of Total
White1,2517.64%
Black128.11%
Hispanic93.40%
Other916.36%
Indian717.07%

Winneshiek County, Iowa Veterans by Education

9.86%

Veteran Poverty Rate

21.08%

Veteran Disability Rate

Winneshiek County, Iowa Employment Status

Winneshiek County, Iowa Employment by Age

71.9%

Labor Force Participation

70.1%

Employment Rate

2.5%

Unemployment Rate

Winneshiek County, Iowa Employment by Race

Winneshiek County, Iowa Employment by Education

Population of Cities in Winneshiek County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Decorah81357918-217-2.67%
Calmar982953-29-2.95%
Ossian845809-36-4.26%
Spillville370350-20-5.41%
Fort Atkinson349330-19-5.44%
Ridgeway307300-7-2.28%
Castalia173166-7-4.05%
Jackson Junction5855-3-5.17%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990