Winneshiek County, Iowa Population 2019

Winneshiek County, Iowa's estimated population is 20,131 with a growth rate of -1.38% in the past year according to the most recent United States census data. Winneshiek County, Iowa is the 33rd largest county in Iowa.

Year Population Growth Growth Rate
201820,029-102-0.51%
201720,131-282-1.38%
201620,413-323-1.56%
201520,736420.20%
201420,694-145-0.70%
201320,839-200-0.95%
201221,039-9-0.04%
201121,048-27-0.13%
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
White19,944
Asian222
Black or African American214
Two or More Races125
Some Other Race37
American Indian and Alaska Native33

Winneshiek County, Iowa Population Pyramid 2019

Winneshiek County, Iowa Median Age

41


Total

40.1


Male

42.3


Female

Winneshiek County, Iowa Adults

There are 16,720 adults, (3,843 of whom are seniors) in Winneshiek County, Iowa.

Winneshiek County, Iowa Age Dependency

59.8

Age Dependency Ratio

29.8

Old Age Dependency Ratio

29.9

Child Dependency Ratio

Winneshiek County, Iowa Sex Ratio

Female

10,269

49.91%

Male

10,306

50.09%

Winneshiek County, Iowa Households and Families

Winneshiek County, Iowa Renter vs Owner Occupied by Household Type

Winneshiek County, Iowa Household Types

Type Owner Renter
Married91.2%8.8%
All78.1%21.9%
Male69.2%30.8%
Non Family60.8%39.2%
Female55.7%44.3%

78.1%

Rate of Home Ownership

Type Count Average Size Owned
All8,1232.2478.1
Married4,6422.8291.2
Non Family2,7781.260.8
Female4762.555.7
Male2272.6369.2

2.76

Average Family Size

2.24

Average Household Size

4.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Winneshiek County, Iowa Education

Education Attained Count Percentage
Less Than 9th Grade3612.68%
9th to 12th Grade3472.58%
High School Graduate4,44733.03%
Some College2,41917.97%
Associates Degree2,00814.92%
Bachelors Degree2,36617.58%
Graduate Degree1,51411.25%

Winneshiek County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White13,00912,3323,684
Hispanic18416249
Asian136136133
Black675814
Multiple Races4534
Native American3331
Other Race32323

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 97.79%.

Name Average Male Female
Overall$36,837$42,366$30,607
Less Than High School$30,833$34,583$9,500
High School Grad$33,156$40,034$24,139
Some College$34,178$41,968$29,848
Bachelors Degree$40,133$42,377$35,985
Graduate Degree$59,394$74,034$52,878

$36,837

Average Earnings

$42,366

Average Male

$30,607

Average Female

Winneshiek County, Iowa Language

Winneshiek County, Iowa Language by Age

Winneshiek County, Iowa Language

96.90% of Winneshiek County, Iowa residents speak only English, while 3.10% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.46% of the population.

Winneshiek County, Iowa Poverty

Winneshiek County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White17,4531,3027.46%
Hispanic4058721.48%
Multiple1223427.87%
Asian1973115.74%
Other37616.22%
Native3226.25%

7.98%

Overall Poverty Rate

6.37%

Male Poverty Rate

9.67%

Female Poverty Rate

Poverty in Winneshiek County, Iowa

The race most likely to be in poverty in Winneshiek County, Iowa is Multiple, with 27.87% below the poverty level.

The race least likely to be in poverty in Winneshiek County, Iowa is Native, with 6.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.98%. Among those working part-time, it was 14.88%, and for those that did not work, the poverty rate was 13.44%.

Name Poverty
Less Than High School19.26%
High School6.90%
Some College6.32%
Bachelors or Greater3.59%
Name Poverty
Female Unemployed38.46%
Male Unemployed9.92%
Female Employed8.34%
Male Employed3.93%

Winneshiek County, Iowa Income

Winneshiek County, Iowa Income by Household Type

Name Median Mean
Households$60,788$72,257
Families$76,023$87,503
Married Families$81,860-
Non Families$30,500$41,229

Winneshiek County, Iowa Marital Status

Winneshiek County, Iowa Marital Status

Marriage Rates

54.8%

Overall Marriage Rate

57.2%

Male Marriage Rate

52.4%

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 35-44, while the female age group most likely to be married is 45-54.

Winneshiek County, Iowa Marital Status by Race

Winneshiek County, Iowa Veterans

1,161

Number of Veterans

1,122

Male Veterans

39

Female Veterans

War Veterans
Vietnam416
Korea200
Second Gulf War109
World War II86
First Gulf War60

Winneshiek County, Iowa Veterans by Race

Name Veterans % of Total
White1,1316.95%
Black189.89%
Hispanic124.40%
Other1237.50%

Winneshiek County, Iowa Veterans by Education

6.18%

Veteran Poverty Rate

23.08%

Veteran Disability Rate

Winneshiek County, Iowa Employment Status

70.9%

Labor Force Participation

69.5%

Employment Rate

2%

Unemployment Rate

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%
  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