Clayton County Summary

Life in Clayton County research summary. HomeSnacks has been researching the quality of life in Clayton County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Clayton County:

  • The population in Clayton County is 17,069.

  • The median home value in Clayton County is $259,735.

  • The median income in Clayton County is $62,326.

  • The median rent in Clayton County is $764.

  • The unemployment rate in Clayton County is 2.6%.

  • The poverty rate in Clayton County is 13.6%.

  • The average high in Clayton County is 65.7° and there are 81.4 inches of rainfall annually.

Cities & Towns in Clayton County

List Of Cities & Towns in Clayton County

Postville, IA Population 2,787

Guttenberg, IA Population 1,675

Monona, IA Population 1,618

Strawberry Point, IA Population 1,415

Elkader, IA Population 1,249

Garnavillo, IA Population 815

Edgewood, IA Population 787

McGregor, IA Population 686

Marquette, IA Population 432

Farmersburg, IA Population 364

Luana, IA Population 291

Volga, IA Population 255

Osterdock, IA Population 144

Garber, IA Population 129

North Buena Vista, IA Population 110

St. Olaf, IA Population 75

Clayton, IA Population 66

Elkport, IA Population 17

Map Of Clayton County

Clayton County, IA Weather

  • The average high in Clayton County is 65.7°.

  • There are 71.87 nice days each year.

  • Expect an average of 81.4 inches of rain each year with 12.2 inches of snow.

  • There is an average of 4:44 hours of sun each day in Clayton County.

StatClayton County
Mean High65.7
Nice Days71.87
Rainfall81.4
Snowfall12.2
Sunny Hours4:44
65.7°
Average High
81.4
Inches of Rain

Clayton County Demographics

Population over time in Clayton County

The current population in Clayton County is 17,069. The population has decreased -2.6% from 2019.

Year Population % Change
2023 17,173 -2.0%
2022 17,527 -0.6%
2021 17,625 -

Gender in Clayton County

  • Clayton County is 49.5% female with 8,457 female residents.

  • Clayton County is 50.5% male with 8,612 male residents.

Female
49.5% (8,457)
Male
50.5% (8,612)
Gender Clayton County IA USA
Female 49.5% 49.9% 50.5%
Male 50.5% 50.1% 49.5%

Race / Ethnicity in Clayton County

Clayton County is:

  • 95.2% White with 16,245 White residents.

  • 0.6% African American with 110 African American residents.

  • 0.1% American Indian with 11 American Indian residents.

  • 0.3% Asian with 53 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.0% Other with 7 Other residents.

  • 1.5% Two Or More with 262 Two Or More residents.

  • 2.2% Hispanic with 381 Hispanic residents.

White
95.2% (16,245)
African American
0.6% (110)
American Indian
0.1% (11)
Asian
0.3% (53)
Hawaiian
0.0% (0)
Other
0.0% (7)
Two Or More
1.5% (262)
Hispanic
2.2% (381)

Table: Clayton County By Race

Race Clayton County IA USA
White 95.2% 83.1% 58.2%
African American 0.6% 3.8% 12.0%
American Indian 0.1% 0.2% 0.5%
Asian 0.3% 2.4% 5.7%
Hawaiian 0.0% 0.1% 0.2%
Other 0.0% 0.2% 0.5%
Two Or More 1.5% 3.2% 3.9%
Hispanic 2.2% 7.0% 19.0%

Household Income For Clayton County, Iowa

  • 3.4% of households in Clayton County earn Less than $10,000.

  • 4.9% of households in Clayton County earn $10,000 to $14,999.

  • 6.6% of households in Clayton County earn $15,000 to $24,999.

  • 10.3% of households in Clayton County earn $25,000 to $34,999.

  • 14.7% of households in Clayton County earn $35,000 to $49,999.

  • 19.1% of households in Clayton County earn $50,000 to $74,999.

  • 11.9% of households in Clayton County earn $75,000 to $99,999.

  • 18.1% of households in Clayton County earn $100,000 to $149,999.

  • 6.9% of households in Clayton County earn $150,000 to $199,999.

  • 4.0% of households in Clayton County earn $200,000 or more.

Less than $10,000
3.4% (583)
$10,000 to $14,999
4.9% (843)
$15,000 to $24,999
6.6% (1,129)
$25,000 to $34,999
10.3% (1,765)
$35,000 to $49,999
14.7% (2,512)
$50,000 to $74,999
19.1% (3,254)
$75,000 to $99,999
11.9% (2,032)
$100,000 to $149,999
18.1% (3,088)
$150,000 to $199,999
6.9% (1,180)
$200,000 or more
4.0% (679)
Income Clayton County IA USA
Less than $10,000 3.4% 4.0% 4.9%
$10,000 to $14,999 4.9% 3.4% 3.6%
$15,000 to $24,999 6.6% 7.0% 6.6%
$25,000 to $34,999 10.3% 7.3% 6.8%
$35,000 to $49,999 14.7% 11.7% 10.4%
$50,000 to $74,999 19.1% 17.8% 15.7%
$75,000 to $99,999 11.9% 14.1% 12.7%
$100,000 to $149,999 18.1% 18.4% 17.4%
$150,000 to $199,999 6.9% 8.4% 9.3%
$200,000 or more 4.0% 8.0% 12.6%

Highest level of educational attainment in Clayton County for adults over 25

  • 3.0% of adults in Clayton County completed < 9th grade.

  • 5.0% of adults in Clayton County completed 9-12th grade.

  • 44.0% of adults in Clayton County completed high school / ged.

  • 20.0% of adults in Clayton County completed some college.

  • 12.0% of adults in Clayton County completed associate's degree.

  • 12.0% of adults in Clayton County completed bachelor's degree.

  • 3.0% of adults in Clayton County completed master's degree.

  • 0.0% of adults in Clayton County completed professional degree.

  • 1.0% of adults in Clayton County completed doctorate degree.

< 9th Grade
3% (512)
9-12th Grade
5% (853)
High School / GED
44% (7,510)
Some College
20% (3,413)
Associate's Degree
12% (2,048)
Bachelor's Degree
12% (2,048)
Master's Degree
3% (512)
Professional Degree
0% (0)
Doctorate Degree
1% (170)
Education Clayton County IA USA
< 9th Grade 3% 3% 5%
9-12th Grade 5% 4% 6%
High School / GED 44% 30% 26%
Some College 20% 20% 19%
Associate's Degree 12% 12% 9%
Bachelor's Degree 12% 21% 21%
Master's Degree 3% 7% 10%
Professional Degree 0% 2% 2%
Doctorate Degree 1% 1% 2%

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