State
Land Area (mi²)
34.3 sq mi
Density (mi²)
2,518.30/sq mi
2020 Growth Rate
-0.14%
Growth Since 2010
1.37%
World Population Review
Northfield, Illinois Population 2021
86,338
Northfield is a city located in Illinois. Northfield has a 2020 population of 86,338. Northfield is currently declining at a rate of -0.14% annually but its population has increased by 1.37% since the most recent census, which recorded a population of 85,173 in 2010. Northfield reached it's highest population of 87,880 in 2015.
The average household income in Northfield is $167,014 with a poverty rate of 5.50%. The median rental costs in recent years comes to $1,569 per month, and the median house value is $522,400. The median age in Northfield is 47.2 years, 45.9 years for males, and 48.6 years for females.
Northfield Demographics
According to the most recent ACS, the racial composition of Northfield was:
- White: 79.73%
- Asian: 15.98%
- Black or African American: 1.84%
- Two or more races: 1.55%
- Other race: 0.85%
- Native American: 0.05%
- Native Hawaiian or Pacific Islander: 0.00%
The current population of Northfield, Illinois is 86,338 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 86,698.The last official US Census in 2010 recorded the population at 85,173.
Northfield, Illinois Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 69,584 | 79.73% |
| Asian | 13,943 | 15.98% |
| Black or African American | 1,606 | 1.84% |
| Two or More Races | 1,357 | 1.55% |
| Some Other Race | 740 | 0.85% |
| American Indian and Alaska Native | 47 | 0.05% |
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Northfield Population by Race
Northfield Population Pyramid $2021
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Northfield Population by Age
Northfield Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 33,739 | 2.54 | 79.9 |
| Married | 21,355 | 3.14 | 87.7 |
| Non Family | 9,391 | 1.08 | 66.2 |
| Female | 2,321 | 2.92 | 64.9 |
| Male | 672 | 2.76 | 71.3 |
3.09
Average Family Size
2.54
Average Household Size
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Northfield Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 1,025 | 1.64% |
| 9th to 12th Grade | 1,184 | 1.89% |
| High School Graduate | 7,498 | 11.97% |
| Some College | 8,493 | 13.56% |
| Associates Degree | 2,809 | 4.49% |
| Bachelors Degree | 21,739 | 34.71% |
| Graduate Degree | 19,881 | 31.74% |
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Northfield Educational Attainment by Sex (over 25)
Northfield Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 48,741 | 47,632 | 33,157 |
| Asian | 9,981 | 9,439 | 7,098 |
| Hispanic | 2,481 | 2,030 | 741 |
| Black | 1,055 | 955 | 337 |
| 2+ Races | 433 | 417 | 309 |
| Other Race | 431 | 273 | 88 |
| Native American | 47 | 39 |
The highest rate of high school graduation is among white people with a rate of 97.72%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 71.36%.
Northfield Educational Attainment by Race
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$67,185
Average Earnings
$92,681
Average Male
$47,262
Average Female
Northfield Earnings by Educational Attainment
Northfield Language by Age
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Northfield Language
69.88% of Northfield residents speak only English, while 30.12% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 14.79% of the population.
Northfield Language
Northfield Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 65,243 | 2,768 | 4.24% |
| Hispanic | 4,233 | 1,049 | 24.78% |
| Asian | 13,923 | 790 | 5.67% |
| Black | 1,315 | 84 | 6.39% |
| Other | 728 | 50 | 6.87% |
| Multiple | 1,356 | 38 | 2.80% |
5.50%
Overall Poverty Rate
5.03%
Male Poverty Rate
5.94%
Female Poverty Rate
Poverty in Northfield
The race most likely to be in poverty in Northfield is Hispanic, with 24.78% below the poverty level.
The race least likely to be in poverty in Northfield is Multiple, with 2.80% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.35%. Among those working part-time, it was 4.69%, and for those that did not work, the poverty rate was 8.89%.
Northfield Poverty
Northfield Poverty Rate by Education
Northfield Marital Status
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Marriage Rates
63.3%
Overall Marriage Rate
66.6%
Male Marriage Rate
60.3%
Female Marriage Rate
Northfield Married by Age and Sex
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Northfield Marriage
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Northfield Marital Status by Race
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Northfield Marital Status
Northfield Veterans by War
Northfield Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 3,000 | 5.57% |
| Asian | 98 | 0.94% |
| Black | 68 | 5.99% |
| Hispanic | 41 | 1.47% |
| 2+ Races | 17 | 3.31% |
| Native American | 8 | 17.02% |
Northfield Veterans by Race
Northfield Veterans by Education
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5.00%
Veteran Poverty Rate
32.71%
Veteran Disability Rate
Northfield Veterans by Education
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58.6%
Labor Force Participation
56.6%
Employment Rate
3.5%
Unemployment Rate
Northfield Employment by Age
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Northfield Employment by Race
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Northfield 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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77.36%
Native Born
22.64%
Foreign Born
6.62%
Non Citizen
16.02%
Naturalized
Place of Birth
77.36% of Northfield residents were born in the United States, with 58.90% having been born in Illinois. 6.62% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Northfield Place of Birth
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 86,338 | -120 | -0.14% |
| 2020 | 86,458 | -120 | -0.14% |
| 2019 | 86,578 | -120 | -0.14% |
| 2018 | 86,698 | -682 | -0.78% |
| 2017 | 87,380 | -404 | -0.46% |
| 2016 | 87,784 | -96 | -0.11% |
| 2015 | 87,880 | 406 | 0.46% |
| 2014 | 87,474 | 1,102 | 1.28% |
| 2013 | 86,372 | 483 | 0.56% |
| 2012 | 85,889 | 344 | 0.40% |
| 2011 | 85,545 | 372 | 0.44% |
| 2010 | 85,173 | 0.00% |