County population in 2016: 17,895 (3% urban, 97% rural); it was 18,678 in 2000County owner-occupied with a mortgage or a loan houses and condos in 2010: 3,165 County owner-occupied free and clear houses and condos in 2010: 2,654 County owner-occupied houses and condos in 2000: 5,649 Renter-occupied apartments: 1,780 (it was 1,726 in 2000)
% of renters here:
23%
State:
28%
Land area: 779 sq. mi.
Water area: 14.0 sq. mi.
Population density: 23 people per square mile (low).
Mar. 2016 cost of living index in Clayton County: 84.0 (less than average, U.S. average is 100)
Median real estate property taxes paid for housing units with mortgages in 2016: $1,751 (1.4%) Median real estate property taxes paid for housing units with no mortgage in 2016: $1,539 (1.3%)
Percentage of residents living in poverty in 2016: 10.1%
Clayton County:
10.1%
Iowa:
11.8%
(9.2% for White Non-Hispanic residents, 47.1% for Black residents, 47.2% for Hispanic or Latino residents, 91.7% for other race residents, 4.2% for two or more races residents)
Median age of residents in 2016: 45.9 years old
(Males: 45.2 years old, Females: 47.4 years old)
(Median age for: White residents: 47.0 years old, Black residents: 35.7 years old, American Indian residents: 22.0 years old, Asian residents: 46.7 years old, Hispanic or Latino residents: 25.9 years old, Other race residents: 26.4 years old)
Fair market rent in 2006 for a 1-bedroom apartment in Clayton County is $388 a month. Fair market rent for a 2-bedroom apartment is $498 a month. Fair market rent for a 3-bedroom apartment is $645 a month.
Current college students: 382 People 25 years of age or older with a high school degree or higher: 90.2% People 25 years of age or older with a bachelor's degree or higher: 16.0%
Number of foreign born residents: 363 (54.2% naturalized citizens)
Clayton County:
2.0%
Whole state:
5.1%
Year of entry for the foreign-born population
2010 or later: 85
2000 to 2009: 137
1990 to 1999: 32
1980 to 1989: 14
1970 to 1979: 23
Before 1970: 44
Note: State values scaled to Clayton County population
Mean travel time to work (commute): 20.8 minutes
Percentage of county residents living and working in this county: 71.3%
Housing units in structures:
One, detached: 7,235
One, attached: 165
Two: 231
3 or 4: 306
5 to 9: 207
10 to 19: 127
20 to 49: 140
50 or more: 11
Mobile homes: 712
Housing units in Clayton County with a mortgage: 2,835 (94 second mortgage, 260 home equity loan, 3 both second mortgage and home equity loan) Houses without a mortgage: 2,951
Here:
50.0% with mortgage
State:
60.6% with mortgage
Religion statistics for Clayton County
Religion
Adherents
Congregations
Mainline Protestant
6,656
24
Catholic
4,351
8
Evangelical Protestant
1,174
15
Other
250
3
None
5,698
-
Clayton County Religion Details
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center.
Food Environment Statistics:
Number of grocery stores: 6
Clayton County:
3.40 / 10,000 pop.
State:
2.14 / 10,000 pop.
Number of convenience stores (with gas): 13
Clayton County:
7.36 / 10,000 pop.
Iowa:
5.55 / 10,000 pop.
Number of full-service restaurants: 23
This county:
13.01 / 10,000 pop.
State:
8.01 / 10,000 pop.
Adult diabetes rate:
Clayton County:
8.3%
Iowa:
7.8%
Adult obesity rate:
Clayton County:
28.4%
State:
27.3%
Low-income preschool obesity rate:
Here:
15.5%
State:
14.5%
Agriculture in Clayton County:
Average size of farms: 270 acres Average value of agricultural products sold per farm: $99,905 Average value of crops sold per acre for harvested cropland: $216.42 The value of nursery, greenhouse, floriculture, and sod as a percentage of the total market value of agricultural products sold: 0.24% The value of livestock, poultry, and their products as a percentage of the total market value of agricultural products sold: 66.44% Average total farm production expenses per farm: $85,823 Harvested cropland as a percentage of land in farms: 57.32% Irrigated harvested cropland as a percentage of land in farms: 0.20% Average market value of all machinery and equipment per farm: $91,835 The percentage of farms operated by a family or individual: 86.88% Average age of principal farm operators: 53 years Average number of cattle and calves per 100 acres of all land in farms: 18.91 Milk cows as a percentage of all cattle and calves: 22.81% Corn for grain: 130871 harvested acres All wheat for grain: 93 harvested acres Soybeans for beans: 58962 harvested acres Land in orchards: 92 acres
Earthquake activity:
Clayton County-area historical earthquake activity is slightly below Iowa state average. It is 86% smaller than the overall U.S. average.
On 4/18/2008 at 09:36:59, a magnitude 5.4 (5.1 MB, 4.8 MS, 5.4 MW, 5.2 MW, Depth: 8.9 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 353.6 miles away from Clayton County center On 6/28/2004 at 06:10:52, a magnitude 4.2 (4.0 MB, 4.2 MW, Depth: 6.2 mi, Class: Light, Intensity: IV - V) earthquake occurred 157.1 miles away from the county center On 6/10/1987 at 23:48:54, a magnitude 5.1 (4.9 MB, 4.4 MS, 4.6 MS, 5.1 LG) earthquake occurred 331.7 miles away from the county center On 7/9/1975 at 14:54:15, a magnitude 4.6 (4.6 MB) earthquake occurred 304.3 miles away from the county center On 6/18/2002 at 17:37:15, a magnitude 5.0 (4.3 MB, 4.6 MW, 5.0 LG, Depth: 3.1 mi) earthquake occurred 384.6 miles away from Clayton County center On 4/18/2008 at 15:14:16, a magnitude 4.8 (4.5 MB, 4.8 MW, 4.6 MW, Depth: 6.2 mi) earthquake occurred 353.2 miles away from the county center Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)
Most recent natural disasters:
Iowa Severe Storms and Flooding, Incident Period: September 21, 2016 to October 03, 2016, Major Disaster (Presidential) Declared DR-4289: October 31, 2016, FEMA Id: 4289, Natural disaster type: Storm, Flood
Iowa Severe Storms, Straight-line Winds, and Flooding, Incident Period: August 23, 2016 to August 27, 2016, Major Disaster (Presidential) Declared DR-4281: September 29, 2016, FEMA Id: 4281, Natural disaster type: Storm, Flood, Wind
Iowa Severe Storms, Tornadoes, Straight-line Winds, and Flooding, Incident Period: June 20, 2015 to June 25, 2015, Major Disaster (Presidential) Declared DR-4234: July 31, 2015, FEMA Id: 4234, Natural disaster type: Storm, Tornado, Flood, Wind
Iowa Severe Storms, Tornadoes, Straight-line Winds, and Flooding, Incident Period: June 14, 2014 to June 24, 2014, Major Disaster (Presidential) Declared DR-4184: July 24, 2014, FEMA Id: 4184, Natural disaster type: Storm, Tornado, Flood, Wind
Iowa Severe Storms, Tornadoes, and Flooding, Incident Period: June 21, 2013 to June 28, 2013, Major Disaster (Presidential) Declared DR-4135: July 31, 2013, FEMA Id: 4135, Natural disaster type: Storm, Tornado, Flood
Iowa Severe Storms, Tornadoes, and Flooding, Incident Period: May 19, 2013 to June 15, 2013, Major Disaster (Presidential) Declared DR-4126: July 02, 2013, FEMA Id: 4126, Natural disaster type: Storm, Tornado, Flood
Iowa Severe Storms, Flooding, and Tornadoes, Incident Period: June 01, 2010 to August 31, 2010, Major Disaster (Presidential) Declared DR-1930: July 29, 2010, FEMA Id: 1930, Natural disaster type: Storm, Tornado, Flood
Iowa Severe Storms, Tornadoes, and Flooding, Incident Period: May 25, 2008 to August 13, 2008, Major Disaster (Presidential) Declared DR-1763: May 27, 2008, FEMA Id: 1763, Natural disaster type: Storm, Tornado, Flood
Iowa Hurricane Katrina Evacuation, Incident Period: August 29, 2005 to October 01, 2005, Emergency Declared EM-3239: September 10, 2005, FEMA Id: 3239, Natural disaster type: Hurricane
Iowa Severe Storms, Tornadoes, and Flooding, Incident Period: May 19, 2004 to June 24, 2004, Major Disaster (Presidential) Declared DR-1518: May 25, 2004, FEMA Id: 1518, Natural disaster type: Storm, Tornado, Flood
13 other natural disasters have been reported since 1953.
The number of natural disasters in Clayton County (23) is a lot greater than the US average (13). Major Disasters (Presidential) Declared: 22 Emergencies Declared: 1
Causes of natural disasters: Floods: 22, Storms: 18, Tornadoes: 9, Winds: 3, Heavy Rain: 1, Hurricane: 1 (Note: Some incidents may be assigned to more than one category).
Installation, maintenance, and repair occupations (7%)
Material moving occupations (5%)
Office and administrative support occupations (18%)
Sales and related occupations (10%)
Management occupations (9%)
Food preparation and serving related occupations (8%)
Personal care and service occupations (7%)
Education, training, and library occupations (7%)
Healthcare support occupations (7%)
Most common places of birth for the foreign-born residents (%):
Guatemala (23%)
Somalia (17%)
Canada (13%)
Mexico (11%)
Philippines (10%)
Korea (4%)
Germany (4%)
Most common first ancestries reported in Clayton County (%):
German (55%)
American (8%)
Irish (6%)
Norwegian (5%)
English (3%)
Pennsylvania German (1%)
Swiss (1%)
Means of transportation to work:
Drove a car alone: 5,959 (78.2%)
Carpooled: 545 (7.1%)
Bus or trolley bus: 18 (0.2%)
Taxicab, motorcycle, or other means: 63 (0.8%)
Bicycle: 12 (0.2%)
Walked: 406 (5.3%)
Worked at home: 638 (8.4%)
Owners and renters by unit type in %
Breakdown of mean house values by ages of householders ($)
People in group quarters in Clayton County, Iowa in 2000:
324 people in nursing homes
52 people in homes for the mentally retarded
46 people in other noninstitutional group quarters
38 people in other nonhousehold living situations
14 people in homes for the mentally ill
4 people in religious group quarters
2 people in local jails and other confinement facilities (including police lockups)
People in group quarters in Clayton County, Iowa in 2010:
210 people in nursing facilities/skilled-nursing facilities
68 people in group homes intended for adults
9 people in local jails and other municipal confinement facilities
Average gross adjusted income of non-migrant taxpayers in this county in 2010 was $45,767.
4.49% of this county's 2011 resident taxpayers lived in other counties in 2010 ($39,278 average adjusted gross income)
Here:
4.49%
Iowa average:
5.75%
10 or fewer of this county's residents moved from foreign countries.
2.56% relocated from other counties in Iowa ($22,359 average AGI)
1.94% relocated from other states ($16,919 average AGI)
Clayton County:
1.94%
Iowa average:
2.41%
Percentage of residents relocating from other counties or countries
Top counties from which taxpayers relocated into this county between 2010 and 2011:
5.09% of this county's 2010 resident taxpayers moved to other counties in 2011 ($29,688 average adjusted gross income)
Here:
5.09%
Iowa average:
5.94%
10 or fewer of this county's residents moved to foreign countries.
3.32% relocated to other counties in Iowa ($20,129 average AGI)
1.77% relocated to other states ($9,556 average AGI)
Clayton County:
1.77%
Iowa average:
2.60%
Percentage of residents relocating to other counties or countries
Top counties to which taxpayers relocated from this county between 2010 and 2011:
Births per 1000 population from 1990 to 1999: 11.4 Births per 1000 population from 2000 to 2006: 11.2
Births per 1000 population in Clayton County
Deaths per 1000 population from 1990 to 1999: 11.8 Deaths per 1000 population from 2000 to 2006: 11.4 Deaths per 1000 population from 2007 to 2014: 10.7
Deaths per 1000 population in Clayton County
Infant deaths per 1000 live births from 1990 to 1999: 5.6 Infant deaths per 1000 live births from 2000 to 2006: 3.5
Infant deaths per 1000 live births in Clayton County
Population without health insurance coverage in 2013: 11.5% Persons under 19 years old without health insurance coverage in 2013: 6.8%
Percentage of population without health insurance coverage in Clayton County
Percentage of population without health insurance coverage in Clayton County
Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare) in July 1, 2007: 3,853 (3,417 aged, 436 disabled) Children under 18 without health insurance coverage in 2007: 294 (7%)
Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Aged persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Disabled persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Most common underlying causes of death in Clayton County, Iowa in 1999 - 2014:
Atherosclerotic heart disease (242)
Acute myocardial infarction, unspecified (234)
Bronchus or lung, unspecified - Malignant neoplasms (162)
Stroke, not specified as haemorrhage or infarction (150)
Population without health insurance coverage in 2000: 10% Children under 18 without health insurance coverage in 2000: 9%
Short term general hospitals per 100,000 population in 2004: 10.93 Short term general hospital admissions per 100,000 population in 2004: 4,439 Short term general hospital beds per 100,000 population in 2004: 219 Emergency room visits per 100,000 population in 2004: 12,968
General practice office based MDs per 100,000 population in 2005: 1,320 Medical specialist MDs per 100,000 population in 2005: 1,385 Dentists per 100,000 population in 1998: 5
Total births per 100,000 population, July 2005 - July 2006 : 32 Total deaths per 100,000 population, July 2005 - July 2006: 16
Household type by relationship:
Households: 17,895
In family households: 14,218 (2,465 male householders, 2,409 female householders)
3,992 spouses, 4,704 children (4,335 natural, 142 adopted, 225 stepchildren), 186 grandchildren, 52 brothers or sisters, 36 parents, 85 other relatives, 272 non-relatives
In nonfamily households: 3,345 (1,417 male householders (1,103 living alone)), 1,371 female householders (1,248 living alone)), 552 nonrelatives
In group quarters: 333
Size of family households: 2,760 2-persons, 820 3-persons, 691 4-persons, 384 5-persons, 139 6-persons, 64 7-or-more-persons.
2,628 married couples with children.
1,045 single-parent households (300 men, 745 women).
96.6% of residents of Clayton speak English at home.
1.3% of residents speak Spanish at home (58% speak English very well, 19% speak English well, 20% speak English not well, 3% don't speak English at all).
1.5% of residents speak other Indo-European language at home (71% speak English very well, 29% speak English well).
0.1% of residents speak Asian or Pacific Island language at home (24% speak English very well, 43% speak English well, 33% speak English not well).
0.5% of residents speak other language at home (30% speak English very well, 9% speak English well, 28% speak English not well, 33% don't speak English at all).
In fiscal year 2004:
Federal Government expenditure: $108,715,000 ($5,944 per capita) Department of Defense expenditure: $2,045,000 Federal direct payments to individuals for retirement and disability: $46,990,000 Federal other direct payments to individuals: $21,286,000 Federal direct payments not to individuals: $14,809,000 Federal grants: $18,569,000 Federal procurement contracts: $1,683,000 ($395,000 Department of Defense) Federal salaries and wages: $5,377,000 ($335,000 Department of Defense) Federal Government direct loans: $3,553,000 Federal guaranteed/insured loans: $2,847,000 Federal Government insurance: $40,587,000
Population change from April 1, 2000 to July 1, 2005:
Births: 1,064
Here:
58 per 1000 residents
State:
66 per 1000 residents
Deaths: 1,083
Here:
59 per 1000 residents
State:
48 per 1000 residents
Net international migration: +46
Here:
+3 per 1000 residents
State:
+10 per 1000 residents
Net internal migration: -345
Here:
-19 per 1000 residents
State:
-14 per 1000 residents
Population growth in Clayton County
Total withdrawal of fresh water for public supply: 0.93 millions of gallons per day (all from ground)
Median number of rooms in houses and condos:
Here:
6.7
State:
6.7
Median number of rooms in apartments:
Here:
4.3
State:
4.2
Year house built
2014 or later: 142
2010 to 2013: 55
2000 to 2009: 883
1990 to 1999: 898
1980 to 1989: 599
1970 to 1979: 1,168
1960 to 1969: 593
1950 to 1959: 663
1940 to 1949: 380
1939 or earlier: 3,676
Note: State values scaled to Clayton population
Rooms in houses/apartments in Clayton County, Iowa
Note: State values scaled to Clayton County population
no vehicle: 169
1 vehicle: 1,255
2 vehicles: 2,425
3 vehicles: 1,216
4 vehicles: 443
5+ vehicles: 266
no vehicle: 228
1 vehicle: 917
2 vehicles: 457
3 vehicles: 225
4 vehicles: 27
5+ vehicles: 22
89% of Clayton County residents lived in the same house 1 years ago. Out of people who lived in different houses, 38% lived in this county. Out of people who lived in different counties, 55% lived in Iowa.
Clayton County:
89.5%
State average:
84.7%
Place of birth for U.S.-born residents:
This state: 13,296
Other state: 4,143
Northeast: 162
Midwest: 3,284
South: 278
West: 417
Year Householders Moved Into Unit
Most commonly used house heating fuel in Clayton County
Click here to upload your Clayton County photos (outside city limits)
45.9 years
38.0 years
(50.0%)
(50.0%)
, Dane County, Wisconsin 
, Franklin County 
