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Jefferson County Population and Races

 
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As of 2010-2014, the total population of Jefferson County is 17,102, which is 5.69% more than it was in 2000. The population growth rate is higher than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. The Jefferson County population density is 39.15 people per square mile, which is lower than the state average density of 54.70 people per square mile and is much lower than the national average density of 82.73 people per square mile. The most prevalent race in Jefferson County is white, which represent 86.57% of the total population. The average Jefferson County education level is higher than the state average and is higher than the national average.

Topics:Population GrowthPopulation DensityPopulation by RacesPopulation by First AncestryPopulation by GenderPopulation by AgeEducationSchool EnrollmentHousehold and FamilyMarital StatusPlace of Birth and CitizenshipLanguage

Population in 2010-2014: 17,102. #44

Population Growth Since 2000, #13

Jefferson County
5.69%
Iowa
5.19%
U.S.
11.61%

Population Density, #27

Jefferson County
39.15 per square mile
Iowa
54.70 per square mile
U.S.
82.73 per square mile

Population by Races

White:14,806 (86.57%, #92)
Black:261 (1.53%, #21)
Hispanic:461 (2.70%, #44)
Asian:1,512 (8.84%, #1)
Native (American Indian, Alaska Native, Hawaiian Native, etc.):19 (0.11%, #71)
One Race, Other:179 (1.05%, see rank)
Two or More Races:325 (1.90%, see rank)

Asian Population
Indian:658 (43.52%, see rank)
Chinese:603 (39.88%, see rank)
Filipino:72 (4.76%, see rank)
Japanese:0 (0.00%, see rank)
Korean:34 (2.25%, see rank)
Vietnamese:22 (1.46%, see rank)
Asian, Other:123 (8.13%, see rank)
 

*Based on 2010-2014 data. View historical race data.

Population by First Ancestry

13,079 (76.48%) out of the total population of 17,102 reported first ancestry.

 Jefferson County% of the Total PopulationIowaU.S.
Arab940.55%, see rank0.27%0.56%
Czech590.34%, see rank1.89%0.47%
Danish1440.84%, see rank1.86%0.42%
Dutch3872.26%, see rank4.35%1.40%
English1,98511.61%, see rank8.78%8.02%
French5133.00%, see rank2.60%3.34%
German4,01323.47%, see rank36.73%15.03%
Greek270.16%, see rank0.22%0.41%
Hungarian140.08%, see rank0.12%0.46%
Irish1,72410.08%, see rank14.07%10.80%
Italian5813.40%, see rank2.10%5.52%
Norwegian2321.36%, see rank5.34%1.42%
Polish5333.12%, see rank1.28%3.01%
Portuguese80.05%, see rank0.06%0.44%
Russian1941.13%, see rank0.36%0.92%
Scotch-Irish2141.25%, see rank0.85%0.99%
Scottish4342.54%, see rank1.51%1.72%
Subsaharan African900.53%, see rank0.56%0.95%
Swedish5823.40%, see rank2.92%1.27%
Swiss1170.68%, see rank0.47%0.30%
Ukrainian30.02%, see rank0.09%0.31%
American1,1286.60%, see rank6.36%7.12%
Welsh1300.76%, see rank0.67%0.57%

*Based on 2010-2014 data. View historical first ancestry data.

Population by Gender

Male: 8,966 (52.43%, see rank)
Females: 8,136 (47.57%, see rank)

Jefferson County
Male: 52.43%
Female: 47.57%
Iowa
Male: 49.58%
Female: 50.42%
U.S.
Male: 49.19%
Female: 50.81%

*Based on 2010-2014 data. View historical gender data.

Population by Age

Median Age (see rank)
Jefferson County
42.70 years old
Iowa
38.00 years old
U.S.
37.40 years old

Median Age, Male (see rank)
Jefferson County
39.30 years old
Iowa
36.70 years old
U.S.
36.10 years old

Median Age, Female (see rank)
Jefferson County
45.60 years old
Iowa
39.40 years old
U.S.
38.80 years old

 Jefferson County% of the Total PopulationIowaU.S.
Under 5 years7834.58%, see rank6.39%6.36%
5 to 9 years7184.20%, see rank6.62%6.51%
10 to 14 years1,1126.50%, see rank6.58%6.59%
15 to 19 years9835.75%, see rank6.96%6.85%
20 to 24 years1,5168.86%, see rank7.21%7.13%
25 to 34 years2,10212.29%, see rank12.65%13.47%
35 to 44 years1,71810.05%, see rank11.80%12.96%
45 to 54 years2,15712.61%, see rank13.73%14.09%
55 to 64 years3,22618.86%, see rank12.80%12.29%
65 to 74 years1,5819.24%, see rank7.81%7.64%
75 to 84 7734.52%, see rank4.98%4.25%
85 years and over4332.53%, see rank2.48%1.85%

*Based on 2010-2014 data. View historical age data.

Education for the 25 Years and Over

 Jefferson CountyIowaU.S.
Total 25 Years and Over Population11,990, 100%2,038,942209,056,129
Less Than High School638, 5.32%, see rank8.73%13.67%
High School Graduate3,833, 31.97%, see rank32.51%27.95%
Some College or Associate Degree3,560, 29.69%, see rank32.40%29.09%
Bachelor Degree2,078, 17.33%, see rank17.99%18.27%
Master, Doctorate, or Professional Degree1,881, 15.69%, see rank8.36%11.01%
USA.com Education Index#14.17, see rank13.6013.54
# Higher USA.com Education Index means more educated population.

*Based on 2010-2014 data. View historical education level data.

School Enrollment

 Jefferson County IowaU.S.
Total PublicPrivatePublicPrivatePublicPrivate
Nursery School, Preschool, Kindergarten23175.32%24.68%78.45%21.55%71.30%28.70%
Elementary School (Grades 1-8)1,53795.06%, see rank4.94%, see rank89.39%10.61%89.86%10.14%
High School (Grades 9-12)81276.72%, see rank23.28%, see rank92.11%7.89%90.60%9.40%
College1,34831.90%, see rank68.10%, see rank74.24%25.76%78.37%21.63%
Graduate School8386.56%, see rank93.44%, see rank64.78%35.22%58.86%41.14%

*Based on 2010-2014 data. View historical school enrollment data.

Household and Family

 Jefferson CountyIowaU.S.
Total Households6,886, 100%1,232,228116,211,092
Average Household Size2.23, see rank2.422.63
1 Person Households2,334, 33.89%, see rank28.77%27.57%
2 or More Person Households4,552, 66.11%, see rank71.23%72.43%
Family Households (Families)4,083, 59.29%, see rank64.68%66.22%
Average Family Size2.92, see rank3.053.32
Married-Couple Family3,302, 47.95%, see rank51.37%48.42%
Nonfamily Households2,803, 40.71%, see rank35.32%33.78%

*Based on 2010-2014 data. View historical household and family data.

Marital Status of 15 Years and Over

 Jefferson County%IowaU.S.
15 Years and Over Total14,489see rank2,475,176252,974,135
Males, 15 Years and Over7,689100%, see rank1,217,529123,281,364
Never Married3,04139.55%, see rank31.87%35.77%
Married3,56246.33%, see rank55.49%52.04%
Widowed2192.85%, see rank2.60%2.57%
Divorced86711.28%, see rank10.05%9.62%
Females, 15 Years and Over6,800100%, see rank1,257,647129,692,771
Never Married1,78226.21%, see rank25.22%29.48%
Married3,41850.26%, see rank53.54%49.19%
Widowed69410.21%, see rank9.92%9.16%
Divorced90613.32%, see rank11.31%12.16%

*Based on 2010-2014 data. View historical marital status data.

Place of Birth and Citizenship

 Jefferson County%IowaU.S.
Native14,61985.48%, see rank95.33%86.93%
Born in the State of Residence9,59756.12%, see rank71.51%58.73%
Born in Different State4,93628.86%, see rank23.31%26.78%
Born in Puerto Rico, U.S. Island Areas,
or Born Abroad to American Parent(s)		860.50%, see rank0.51%1.42%
Foreign Born2,48314.52%, see rank4.67%13.07%
Foreign Born with U.S. Citizenship5423.17%, see rank1.75%5.99%
Foreign Born without U.S. Citizenship1,94111.35%, see rank2.91%7.09%
Born In Europe2221.30%, see rank0.68%1.53%
Born In Asia1,6559.68%, see rank1.60%3.82%
Born In Africa1220.71%, see rank0.39%0.55%
Born In Oceania400.23%, see rank0.04%0.07%
Born In Latin America2361.38%, see rank1.84%6.83%
Born In Northern America2081.22%, see rank0.12%0.26%

*Based on 2010-2014 data. View historical place of birth and citizenship data.

Language Spoken at Home

 Jefferson County%IowaU.S.
English6,17489.66%, see rank92.20%79.39%
Spanish1662.41%, see rank3.98%11.75%
Other Indo-European Languages2353.41%, see rank1.97%4.52%
Asian and Pacific Islander Languages2673.88%, see rank1.36%3.36%
Other440.64%, see rank0.50%0.99%

*Based on 2010-2014 data. View historical language spoken at home data.


 
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