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Rock Falls City, Illinois Demographics Analysis

   (County: Whiteside County)

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Demographics Analysis

The people of Rock Falls City, 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
(Rock Falls City, Illinois)

Male:

Under 5 years : 422

5 to 9 years : 332

10 to 14 years : 165

15 to 17 years : 215

18 and 19 years : 104

20 years : 75

21 years : 108

22 to 24 years : 124

25 to 29 years : 246

30 to 34 years : 325

35 to 39 years : 224

40 to 44 years : 373

45 to 49 years : 221

50 to 54 years : 319

55 to 59 years : 356

60 and 61 years : 127

62 to 64 years : 171

65 and 66 years : 66

67 to 69 years : 114

70 to 74 years : 130

75 to 79 years : 185

80 to 84 years : 57

85 years and over : 29

Female:

Under 5 years : 316

5 to 9 years : 351

10 to 14 years : 239

15 to 17 years : 138

18 and 19 years : 102

20 years : 118

21 years : 63

22 to 24 years : 266

25 to 29 years : 254

30 to 34 years : 278

35 to 39 years : 174

40 to 44 years : 243

45 to 49 years : 351

50 to 54 years : 301

55 to 59 years : 413

60 and 61 years : 110

62 to 64 years : 177

65 and 66 years : 115

67 to 69 years : 110

70 to 74 years : 126

75 to 79 years : 189

80 to 84 years : 207

85 years and over : 132


(updated 2009)



Population By Ancestry
(Rock Falls City, Illinois)

Ancestry specified:

Single ancestry : 5,018

Multiple ancestry : 2,725

Ancestry not specified:

Ancestry unclassified : 38

Ancestry not reported : 1,480


(updated 2009)



Population By Citizen Status In The United States
(Rock Falls City, Illinois)

U.S. citizen, born in the United States : 8,917

U.S. citizen, born in Puerto Rico or U.S. Island Areas : 19

U.S. citizen, born abroad of American parent(s) : 42

U.S. citizen by naturalization : 95

Not a U.S. citizen : 188


(updated 2009)



Place Of Birth By Age
(Rock Falls City, Illinois)

Total:

Under 5 years : 738

5 to 17 years : 1,440

18 to 24 years : 960

25 to 34 years : 1,103

35 to 44 years : 1,014

45 to 54 years : 1,192

55 to 59 years : 769

60 and 61 years : 237

62 to 64 years : 348

65 to 74 years : 661

75 years and over : 799

Born in state of residence:

Under 5 years : 634

5 to 17 years : 1,100

18 to 24 years : 830

25 to 34 years : 740

35 to 44 years : 773

45 to 54 years : 1,094

55 to 59 years : 602

60 and 61 years : 106

62 to 64 years : 242

65 to 74 years : 461

75 years and over : 566

Born in other state in the United States:

Under 5 years : 98

5 to 17 years : 322

18 to 24 years : 110

25 to 34 years : 265

35 to 44 years : 137

45 to 54 years : 84

55 to 59 years : 107

60 and 61 years : 131

62 to 64 years : 106

65 to 74 years : 200

75 years and over : 209

Native, born outside the United States:

Under 5 years : 0

5 to 17 years : 0

18 to 24 years : 0

25 to 34 years : 34

35 to 44 years : 8

45 to 54 years : 0

55 to 59 years : 19

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 : 6

5 to 17 years : 18

18 to 24 years : 20

25 to 34 years : 64

35 to 44 years : 96

45 to 54 years : 14

55 to 59 years : 41

60 and 61 years : 0

62 to 64 years : 0

65 to 74 years : 0

75 years and over : 24


(updated 2009)



Place Of Birth By Sex
(Rock Falls City, Illinois)

Born in state of residence:

Male : 3,449

Female : 3,699

Born in other state in the United States:

Male : 864

Female : 905

Native: born outside the United States:

Male : 25

Female : 36

Foreign born:

Male : 150

Female : 133


(updated 2009)



Place Of Birth By Race
(Rock Falls City, Illinois)

Born in state of residence : 6,719

Born in other state in the United States : 1,654

Native: born outside the United States : 61

Foreign born : 194


(updated 2009)



Place Of Birth By Marital Status
(Rock Falls City, Illinois)

Born in state of residence:

Never married : 1,794

Now married, except separated : 2,280

Divorced : 919

Separated : 155

Widowed : 532

Born in other state in the United States:

Never married : 382

Now married, except separated : 744

Divorced : 142

Separated : 19

Widowed : 149

Native: born outside the United States:

Never married : 17

Now married, except separated : 44

Divorced : 0

Separated : 0

Widowed : 0

Foreign born:

Never married : 25

Now married, except separated : 206

Divorced : 0

Separated : 0

Widowed : 28


(updated 2009)



Language Spoken At Home By Ability To Speak English (Population Of 5 Years and Older)
(Rock Falls City, Illinois)

Speak only English : 7,899

Spanish or Spanish Creole:

Speak English "very well" : 278

Speak English less than "very well" : 179

French (incl. Patois, Cajun):

Speak English "very well" : 67

Speak English less than "very well" : 0

German:

Speak English "very well" : 22

Speak English less than "very well" : 0

Other West Germanic languages:

Speak English "very well" : 10

Speak English less than "very well" : 0

Polish:

Speak English "very well" : 11

Speak English less than "very well" : 11

Other Indo-European languages:

Speak English "very well" : 8

Speak English less than "very well" : 18

Japanese:

Speak English "very well" : 20

Speak English less than "very well" : 0


(updated 2009)



Ancestries in Rock Falls City, Illinois

  • German: 2,689   (27.9%)
  • Other Groups: 1,529   (15.9%)
  • Irish: 1,470   (15.2%)
  • English: 871   (9.0%)
  • United States Or American: 730   (7.6%)
  • Italian: 407   (4.2%)
  • Dutch: 312   (3.2%)
  • French (except Basque): 272   (2.8%)
  • Swedish: 268   (2.8%)
  • Polish: 205   (2.1%)
  • Norwegian: 140   (1.5%)
  • Scotch-irish: 118   (1.2%)
  • Scottish: 108   (1.1%)
  • Danish: 100   (1.0%)
  • Swiss: 60   (0.6%)
  • West Indian (excluding Hispanic Groups): 44   (0.5%)
  • Belgian: 43   (0.4%)
  • European: 42   (0.4%)
  • French Canadian: 39   (0.4%)
  • Austrian: 21   (0.2%)
  • Macedonian: 19   (0.2%)
  • Latvian: 18   (0.2%)
  • Pennsylvania German: 16   (0.2%)
  • Subsaharan African: 16   (0.2%)
  • Finnish: 15   (0.2%)
  • British: 13   (0.1%)
  • Czech: 12   (0.1%)
  • Russian: 12   (0.1%)
  • Scandinavian: 11   (0.1%)
  • Hungarian: 10   (0.1%)
  • Albanian: 9   (0.1%)
  • Celtic: 6   (0.1%)
  • Greek: 6   (0.1%)
  • Romanian: 5   (0.1%)
  • Arab: 5   (0.1%)
  • Welsh: 5   (0.1%)

(updated 2010)



Total Population In Rock Falls City, Illinois is 9,261



(updated 2009)



Male Population in Rock Falls City, Illinois: 4,488
Female Population in Rock Falls City, Illinois: 4,773


(updated 2013)



Median Male Resident Age in Rock Falls City, Illinois: 38.4
Median Female Resident Age in Rock Falls City, Illinois: 41.6


(updated 2013)



Median Age in the State of Illinois is 37


(updated 2010)



Median Age By Sex in Rock Falls City, Illinois


White


Both sexes

40.2

Male

38.6

Female

41.7

Black or African American


Both sexes

20.7

Male

22.5

Female

19.5

American Indian and Alaska Native


Both sexes

40.5

Male

44.5

Female

25.5

Asian


Both sexes

35.0

Male

39.0

Female

31.5

Native Hawaiian and Other Pacific Islander


Both sexes

8.5

Male

19.5

Female

6.0

Other


Both sexes

32.3

Male

32.7

Female

29.0

Two or More Races


Both sexes

11.7

Male

11.5

Female

11.7

Hispanic or Latino


Both sexes

23.2

Male

25.1

Female

21.4

White / Not Hispanic or Latino


Both sexes

42.3

Male

40.3

Female

44.4


(updated 2010)



Races in Rock Falls City, Illinois


  • White: 8,628
  • African American: 119
  • American Indian: 61
  • Asian: 21
  • Native Hawaiian and Other Pacific Islander: 34
  • Some Other Race: 180
  • Two or More Races: 218



(updated 2013)













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