Cambridge, Illinois Population 2021

2,413
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Cambridge is a city located in Henry County Illinois. Cambridge has a 2020 population of 2,413. It is also the county seat of Henry County. Cambridge is currently declining at a rate of -0.33% annually and its population has decreased by -4.40% since the most recent census, which recorded a population of 2,524 in 2010. Cambridge reached it's highest population of 2,524 in 2010.

The average household income in Cambridge is $73,432 with a poverty rate of 9.85%. The median rental costs in recent years comes to $706 per month, and the median house value is $107,300. The median age in Cambridge is 42.4 years, 37.8 years for males, and 49.9 years for females.

Cambridge Demographics

According to the most recent ACS, the racial composition of Cambridge was:

  • White: 95.41%
  • Black or African American: 1.94%
  • Two or more races: 1.60%
  • Native American: 0.86%
  • Asian: 0.19%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Cambridge, Illinois is 2,413 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,437.The last official US Census in 2010 recorded the population at 2,524.

Cambridge, Illinois Population 2021

Population by Race

Race Population Percentage
White2,55795.41%
Black or African American521.94%
Two or More Races431.60%
American Indian and Alaska Native230.86%
Asian50.19%
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Cambridge Population by Race

Cambridge Population Pyramid $2021

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Cambridge Median Age

42.4


Total

37.8


Male

49.9


Female

Cambridge Adults

There are 2,142 adults, (487 of whom are seniors) in Cambridge.

Cambridge Age Dependency

61.9

Age Dependency Ratio

29.4

Old Age Dependency Ratio

32.5

Child Dependency Ratio

Cambridge Sex Ratio

Female

1,209

45.11%

Male

1,471

54.89%

Cambridge Population by Age

Cambridge Renter vs Owner Occupied by Household Type

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Cambridge Household Types

Type Owner Renter
Male89.4%10.6%
Married86.9%13.1%
Female85.9%14.1%
All85.9%14.1%
Non Family82.7%17.3%

85.9%

Rate of Home Ownership

Cambridge Households and Families

Type Count Average Size Owned
All9772.6285.9
Married6032.9186.9
Non Family2491.2882.7
Female783.685.9
Male474.2689.4

2.96

Average Family Size

2.62

Average Household Size

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Cambridge Households by Type

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Education Attained Count Percentage
Less Than 9th Grade100.53%
9th to 12th Grade19910.49%
High School Graduate62432.89%
Some College52427.62%
Associates Degree22511.86%
Bachelors Degree21711.44%
Graduate Degree985.17%
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Cambridge Educational Attainment by Sex (over 25)

Cambridge Educational Attainment by Race

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Race Total High School Bachelors
White1,8091,633313
Black4024
Hispanic2582
Native American2323

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 17.30%.

Cambridge Educational Attainment by Race

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Name Average Male Female
Overall$37,903$45,579$25,777
Less Than 9th Grade$$$
High School Graduate$24,489$34,063$19,808
Some College$43,125$46,927$30,511
Bachelors Degree$45,893$70,625$27,000
Graduate Degree$52,708$47,188$65,357

$37,903

Average Earnings

$45,579

Average Male

$25,777

Average Female

Cambridge Earnings by Educational Attainment

Cambridge Language by Age

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Cambridge Language

98.58% of Cambridge residents speak only English, while 1.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.92% of the population.

Cambridge Language

Cambridge Poverty by Race

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9.85%

Overall Poverty Rate

9.52%

Male Poverty Rate

10.22%

Female Poverty Rate

Poverty in Cambridge

The race most likely to be in poverty in Cambridge is White, with 10.15% below the poverty level.

The race least likely to be in poverty in Cambridge is White, with 10.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.50%. Among those working part-time, it was 8.33%, and for those that did not work, the poverty rate was 11.78%.

Cambridge Poverty

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Name Poverty
Less Than 9th Grade16.77%
Bachelors or Greater8.89%
High School6.59%
Some College5.58%

Cambridge Poverty Rate by Education

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Rate Poverty
Female Unemployed31.11%
Female Employed4.82%
Male Employed2.41%
Male Unemployed0.00%

Cambridge Poverty Rate by Employment Status and Sex

Cambridge Income by Household Type

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Name Median Mean
Households$59,572$73,432
Families$70,694$81,934
Married Families$73,750-
Non Families$34,688$39,669
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Income by Household Type

Cambridge Marital Status

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Marriage Rates

57.1%

Overall Marriage Rate

53.1%

Male Marriage Rate

62.0%

Female Marriage Rate

Cambridge Married by Age and Sex

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Cambridge Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Cambridge Marital Status by Race

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Cambridge Marital Status

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223

Number of Veterans

216

Male Veterans

7

Female Veterans

War Veterans
Vietnam89
Second Gulf War66
First Gulf War17
World War II5
Korea5

Cambridge Veterans by War

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Age Group Veterans
55 to 6456
75+53
35 to 5446
65 to 7442
18 to 3426

Cambridge Veterans by Age

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Name Veterans % of Total
White22310.88%
Hispanic618.18%

Cambridge Veterans by Race

Cambridge Veterans by Education

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5.83%

Veteran Poverty Rate

33.18%

Veteran Disability Rate

Cambridge Veterans by Education

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58.2%

Labor Force Participation

54.4%

Employment Rate

6.4%

Unemployment Rate

Cambridge Employment by Age

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Cambridge Employment by Race

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Cambridge Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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80.15%

Born in Cambridge

99.81%

Native Born

0.19%

Foreign Born

0.00%

Non Citizen

0.19%

Naturalized

Place of Birth

99.81% of Cambridge residents were born in the United States, with 80.15% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Cambridge Place of Birth

Year Population Growth Annual Growth Rate
20212,413-8-0.33%
20202,421-8-0.33%
20192,429-8-0.33%
20182,437-12-0.49%
20172,449-14-0.57%
20162,463-12-0.48%
20152,475-12-0.48%
20142,487-7-0.28%
20132,494-20-0.80%
20122,514-3-0.12%
20112,517-7-0.28%
20102,5240.00%

Cambridge Population by Year