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Cortland Township, Illinois Demographics Analysis

   (County: Dekalb County)

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Demographics Analysis

The people of Cortland Township, Illinois give the community character. This place is unique because of factors such as population size / density, ethnic background, ratio of males to females, and average age.

Population By Sex By Age
(Cortland Township, Illinois)

Male:

Under 5 years : 414

5 to 9 years : 441

10 to 14 years : 437

15 to 17 years : 202

18 and 19 years : 135

20 years : 52

21 years : 38

22 to 24 years : 128

25 to 29 years : 278

30 to 34 years : 291

35 to 39 years : 337

40 to 44 years : 515

45 to 49 years : 365

50 to 54 years : 355

55 to 59 years : 295

60 and 61 years : 48

62 to 64 years : 194

65 and 66 years : 25

67 to 69 years : 38

70 to 74 years : 115

75 to 79 years : 52

80 to 84 years : 36

85 years and over : 55

Female:

Under 5 years : 373

5 to 9 years : 361

10 to 14 years : 350

15 to 17 years : 216

18 and 19 years : 140

20 years : 28

21 years : 126

22 to 24 years : 257

25 to 29 years : 429

30 to 34 years : 280

35 to 39 years : 361

40 to 44 years : 419

45 to 49 years : 460

50 to 54 years : 300

55 to 59 years : 418

60 and 61 years : 61

62 to 64 years : 60

65 and 66 years : 59

67 to 69 years : 59

70 to 74 years : 141

75 to 79 years : 178

80 to 84 years : 68

85 years and over : 56


(updated 2009)



Population By Ancestry
(Cortland Township, Illinois)

Ancestry specified:

Single ancestry : 4,408

Multiple ancestry : 4,472

Ancestry not specified:

Ancestry unclassified : 143

Ancestry not reported : 1,023


(updated 2009)



Population By Citizen Status In The United States
(Cortland Township, Illinois)

U.S. citizen, born in the United States : 9,545

U.S. citizen, born in Puerto Rico or U.S. Island Areas : 0

U.S. citizen, born abroad of American parent(s) : 30

U.S. citizen by naturalization : 256

Not a U.S. citizen : 215


(updated 2009)



Place Of Birth By Age
(Cortland Township, Illinois)

Total:

Under 5 years : 787

5 to 17 years : 2,007

18 to 24 years : 904

25 to 34 years : 1,278

35 to 44 years : 1,632

45 to 54 years : 1,480

55 to 59 years : 713

60 and 61 years : 109

62 to 64 years : 254

65 to 74 years : 437

75 years and over : 445

Born in state of residence:

Under 5 years : 712

5 to 17 years : 1,638

18 to 24 years : 740

25 to 34 years : 1,004

35 to 44 years : 1,032

45 to 54 years : 1,041

55 to 59 years : 515

60 and 61 years : 93

62 to 64 years : 193

65 to 74 years : 322

75 years and over : 316

Born in other state in the United States:

Under 5 years : 58

5 to 17 years : 330

18 to 24 years : 122

25 to 34 years : 227

35 to 44 years : 421

45 to 54 years : 342

55 to 59 years : 176

60 and 61 years : 16

62 to 64 years : 46

65 to 74 years : 97

75 years and over : 104

Native, born outside the United States:

Under 5 years : 0

5 to 17 years : 0

18 to 24 years : 4

25 to 34 years : 0

35 to 44 years : 10

45 to 54 years : 16

55 to 59 years : 0

60 and 61 years : 0

62 to 64 years : 0

65 to 74 years : 0

75 years and over : 0

Foreign born:

Under 5 years : 17

5 to 17 years : 39

18 to 24 years : 38

25 to 34 years : 47

35 to 44 years : 169

45 to 54 years : 81

55 to 59 years : 22

60 and 61 years : 0

62 to 64 years : 15

65 to 74 years : 18

75 years and over : 25


(updated 2009)



Place Of Birth By Sex
(Cortland Township, Illinois)

Born in state of residence:

Male : 3,622

Female : 3,984

Born in other state in the United States:

Male : 1,005

Female : 934

Native: born outside the United States:

Male : 10

Female : 20

Foreign born:

Male : 209

Female : 262


(updated 2009)



Place Of Birth By Race
(Cortland Township, Illinois)

Born in state of residence : 7,250

Born in other state in the United States : 1,860

Native: born outside the United States : 20

Foreign born : 193


(updated 2009)



Place Of Birth By Marital Status
(Cortland Township, Illinois)

Born in state of residence:

Never married : 1,635

Now married, except separated : 3,049

Divorced : 541

Separated : 85

Widowed : 247

Born in other state in the United States:

Never married : 292

Now married, except separated : 1,112

Divorced : 126

Separated : 37

Widowed : 89

Native: born outside the United States:

Never married : 16

Now married, except separated : 14

Divorced : 0

Separated : 0

Widowed : 0

Foreign born:

Never married : 59

Now married, except separated : 330

Divorced : 19

Separated : 19

Widowed : 0


(updated 2009)



Language Spoken At Home By Ability To Speak English (Population Of 5 Years and Older)
(Cortland Township, Illinois)

Speak only English : 8,588

Spanish or Spanish Creole:

Speak English "very well" : 189

Speak English less than "very well" : 238

French (incl. Patois, Cajun):

Speak English "very well" : 17

Speak English less than "very well" : 0

Italian:

Speak English "very well" : 3

Speak English less than "very well" : 0

Greek:

Speak English "very well" : 54

Speak English less than "very well" : 0

Polish:

Speak English "very well" : 8

Speak English less than "very well" : 9

Persian:

Speak English "very well" : 7

Speak English less than "very well" : 0

Japanese:

Speak English "very well" : 13

Speak English less than "very well" : 4

Korean:

Speak English "very well" : 38

Speak English less than "very well" : 59

Other Asian languages:

Speak English "very well" : 19

Speak English less than "very well" : 0

Tagalog:

Speak English "very well" : 13

Speak English less than "very well" : 0


(updated 2009)



Ancestries in Cortland Township, Illinois

  • German: 2,106   (25.9%)
  • Irish: 881   (10.9%)
  • United States Or American: 679   (8.4%)
  • Other Groups: 665   (8.2%)
  • English: 659   (8.1%)
  • Swedish: 464   (5.7%)
  • Norwegian: 414   (5.1%)
  • Polish: 407   (5.0%)
  • Italian: 297   (3.7%)
  • French (except Basque): 231   (2.8%)
  • Scottish: 199   (2.5%)
  • Dutch: 131   (1.6%)
  • European: 127   (1.6%)
  • Scotch-irish: 105   (1.3%)
  • Danish: 66   (0.8%)
  • Czech: 63   (0.8%)
  • Austrian: 47   (0.6%)
  • Belgian: 46   (0.6%)
  • Arab: 46   (0.6%)
  • Welsh: 38   (0.5%)
  • Slovak: 35   (0.4%)
  • French Canadian: 34   (0.4%)
  • Swiss: 33   (0.4%)
  • Finnish: 32   (0.4%)
  • Greek: 32   (0.4%)
  • Serbian: 31   (0.4%)
  • Yugoslavian: 29   (0.4%)
  • British: 25   (0.3%)
  • Macedonian: 23   (0.3%)
  • Scandinavian: 23   (0.3%)
  • Russian: 22   (0.3%)
  • Czechoslovakian: 20   (0.2%)
  • Lithuanian: 18   (0.2%)
  • Ukrainian: 18   (0.2%)
  • Guyanese: 15   (0.2%)
  • Hungarian: 11   (0.1%)
  • Slovene: 8   (0.1%)
  • Croatian: 8   (0.1%)
  • Israeli: 8   (0.1%)
  • Romanian: 4   (0.0%)
  • Bulgarian: 3   (0.0%)
  • Celtic: 3   (0.0%)
  • Assyrian/chaldean/syriac: 3   (0.0%)
  • Canadian: 2   (0.0%)
  • Slavic: 2   (0.0%)
  • Pennsylvania German: 2   (0.0%)
  • Albanian: 2   (0.0%)

(updated 2010)



Total Population In Cortland Township, Illinois is 10,046



(updated 2009)



Male Population in Cortland Township, Illinois: 4,846
Female Population in Cortland Township, Illinois: 5,200


(updated 2013)



Median Male Resident Age in Cortland Township, Illinois: 35.1
Median Female Resident Age in Cortland Township, Illinois: 35.6


(updated 2013)



Median Age in the State of Illinois is 37


(updated 2010)



Median Age By Sex in Cortland Township, Illinois


White


Both sexes

34.9

Male

34.0

Female

36.1

Black or African American


Both sexes

25.7

Male

22.0

Female

26.1

American Indian and Alaska Native


Both sexes

18.8

Male

18.5

Female

20.0

Asian


Both sexes

35.5

Male

32.5

Female

36.0

Native Hawaiian and Other Pacific Islander


Both sexes

29.0

Male

48.5

Female

12.0

Other


Both sexes

27.1

Male

29.7

Female

20.5

Two or More Races


Both sexes

13.0

Male

11.9

Female

13.8

Hispanic or Latino


Both sexes

21.3

Male

24.0

Female

19.4

White / Not Hispanic or Latino


Both sexes

35.9

Male

34.6

Female

37.2


(updated 2010)



Races in Cortland Township, Illinois


  • White: 9,323
  • African American: 216
  • American Indian: 0
  • Asian: 185
  • Native Hawaiian and Other Pacific Islander: 0
  • Some Other Race: 242
  • Two or More Races: 80



(updated 2013)













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