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Cortland township, IL


DeKalb County, IL

Tracts in this county

   

2022 population: 11,209   ( 241 from 2010 )
Land area: 35.0 square miles
Population density: 320.0 persons per square mile

2022 Census data
White:9,010 80.38% 3.6%
Black:7286.49% 112.2%
Indian:00.00% 100.0%
Asian:690.62% 54.0%
2+ races:2191.95% 58.7%
Hispanic:1,18310.55% 21.3%
Total non-White:2,19919.62% 35.6%

2010-2022 ComponentsNumberRate
Change in White population:-336 -3.7
Change in Non-White pop.:577 6.4




Race Breakdown with Components of Population Change
[Display all years]

Year:
Total population:
White:
Black:
Indian:
Asian:
2+ races:
Hispanic:
Total non-White:

2010
10,968
9,34685.21%
3433.13%
120.11%
1501.37%
1381.26%
9758.89%
1,62214.79%

2000
7,117
6,56092.17%
1211.70%
00.00%
1121.57%
640.90%
2243.15%
5577.83%

1990
n/a
0?%
0?%
0?%
0?%
n/a
0?%
0?%

1980
4,268
4,12396.60%
130.30%
00.00%
390.91%
n/a
932.18%
1453.40%

Decade:
Components:
Births:
Deaths:
Net Migration:
Net Immigration:
Change in White population:
Change in Non-White pop.:
2000's
NumberRate
n/a
n/a
n/a
n/a
2,786 39.1
1,065 15.0
1990's
NumberRate
n/a
n/a
n/a
n/a
n/a
n/a
1980's
NumberRate
n/a
n/a
n/a
n/a
n/a
n/a

Age, Family & Household Data for Cortland township, IL
[Display all years]

Year:
 
Median Age:
Under 18:
Voting Age Population:
Over 65:
Households:
Persons Per HH:
Families (%HH):
Married Couples (%Fams):
Single Mothers (%Fams):
Non-Family (%HH):

2022
NumberPercent
35.7
2,708 24.2%
8,501 75.8%
1,510 13.5%
4,137
2.71
2,875 69.5%
2,209 76.8%
220 7.7%
1,262 30.5%

2010
NumberPercent
33.8
3,132 28.6%
7,836 71.4%
1,155 10.5%
4,021
2.73
2,944 73.2%
2,291 77.8%
288 9.8%
1,077 26.8%

2000
NumberPercent
34.8
2,208 31.0%
4,909 69.0%
725 10.2%
2,575
2.76
1,884 73.2%
1,586 84.2%
152 8.1%
691 26.8%

1990
NumberPercent
?
1,123 ?%
-1,123 -?%
553 ?%
1,765
0.00
1,385 78.5%
1,187 85.7%
99 7.1%
380 21.5%

1980
NumberPercent
30.9
1,271 29.8%
2,997 70.2%
396 9.3%
1,498
2.85
1,248 83.3%
1,074 86.1%
80 6.4%
250 16.7%

2022 Housing Data for Cortland township, IL

Housing Data
 Number%
Housing Units4,300 
Median Value$235,000 
Occupied4,13796.2%
Vacant1633.8%
Owned3,31180.0%
Rented82620.0%
Median Rent$1,346 
Single-Family Units3,60083.7%
    Detached2,93068.1%
    Attached67015.6%
Buldings with 5+ Units55913.0%
Mobile Homes431.0%

2022 Income & Employment Data for Cortland township, IL

Household Income
RangeNumber%
Less than $10,0001032.5%
$10,000 to $14,999681.6%
$15,000 to $19,9991152.8%
$20,000 to $24,999651.6%
$25,000 to $29,999882.1%
$30,000 to $34,9991583.8%
$35,000 to $39,999531.3%
$40,000 to $44,999761.8%
$45,000 to $49,9991323.2%
$50,000 to $59,9993227.8%
$60,000 to $74,99962515.1%
$75,000 to $99,99944010.6%
$100,000 to $124,99950512.2%
$125,000 to $149,9993167.6%
$150,000 to $199,99978118.9%
$200,000 or more2907.0%
Median Household Income87,181 
Per Capita Income38,355 
Welfare Households
 Number%
SSI1233.0%
Public Assistance340.8%
Public Asst. or Food Stamps41810.1%
Labor Force, Ages 25-64
 Number%
Employed5,19679.9%
Unemployed2283.5%
In Armed Forces00.0%
Total Labor Force5,42483.4%
Not in Labor Force1,07816.6%
Real Unemployment Rate 20.1%
Class of Worker
 MaleFemale% Male
Private Sector2,0891,98051.3%
Non-Profit14453521.2%
Self-Employed22711067.4%
Local Government20734337.6%
State Government22322449.9%
Federal Government451081.8%
Total Private + Self2,3162,09052.6%
Total Non-Profit + Govt.6191,11235.8%
Total2,9353,20247.8%
Pct. Govt.17.1%  
Occupation
 Number%
Management, Business, Science, Arts87414.2%
Sales and Office Occupations1,64226.8%
Professional, Technical1,52624.9%
Service Occupations1,00816.4%
Farming, Forestry, Fishing360.6%
All others1,08717.7%
White Collar 65.9%
Industry
 Number%
Health care and social assistance95615.6%
Educational services90314.7%
Manufacturing73612.0%
Retail trade72011.7%
Transportation and warehousing3856.3%
Construction3826.2%
Professional, scientific, technical3786.2%
Finance and insurance2604.2%
Administrative, support, waste mgmt.2544.1%
Public administration2393.9%
Other services2203.6%
Accommodation and food services1802.9%
Wholesale trade1722.8%
Arts, entertainment, recreation901.5%
Agriculture, forestry, fishing, hunting891.5%
Information611.0%
Utilities591.0%
Real estate and rental and leasing360.6%
Management90.1%
Mining, quarrying, oil/gas extraction80.1%

2022 Ancestry, Citizenship & Language Data for Cortland township, IL

Hispanic Breakdown
CountryNumber%
Mexican4974.43%
Puerto Rican2071.85%
Cuban00.00%
Dominican00.00%
Total Central American00.00%
Costa Rican00.00%
Guatemalan00.00%
Honduran00.00%
Nicaraguan00.00%
Panamanian00.00%
Salvadoran00.00%
Other Central American00.00%
Total South American3272.92%
Argentinean00.00%
Bolivian00.00%
Chilean240.21%
Colombian2822.52%
Ecuadorian210.19%
Paraguayan00.00%
Peruvian00.00%
Uruguayan00.00%
Venezuelan00.00%
Other South American00.00%
Other Hispanic1521.36%
Asian Breakdown
CountryNumber%
Chinese510.45%
Indian150.13%
Korean30.03%
Language Spoken at Home
LanguageNumber%
English9,56191.4%
Spanish7457.1%
Chinese510.5%
German, other Germanic330.3%
Other Asian260.2%
Other Indo-European210.2%
Russian, Polish, other Slavic150.1%
Arabic30.0%
Ancestry
CountryNumber%
German3,03127.0%
Irish1,80316.1%
Italian1,44012.8%
Polish8437.5%
English8357.4%
Swedish7897.0%
Norwegian3953.5%
Scottish3673.3%
American3042.7%
Dutch2682.4%
French2552.3%
Ukrainian2292.0%
Eastern European1771.6%
Czech1731.5%
Guyanese1681.5%
Citizenship & Nativity
 Number%
U.S. citizen10,99598.1%
Not a citizen2141.9%
Native10,82196.5%
Foreign-born3883.5%

2022 Educational Attainment Data for Cortland township, IL

Educational Attainment, Population 25 Years and Older
< 9 Years9-12 YearsH.S. Grad or GEDSome CollegeBach. DegreeGrad Degree
86 1.2%223 3.0%2,005 27.0%2,137 28.8%1,640 22.1%1,327 17.9%
  Average years of education: 14.2
Population 25 Years and Older
< 9 Years 86 1.2%
9-12 Years 223 3.0%
H.S. Grad or GED 2,005 27.0%
Some College 2,137 28.8%
Bach. Degree 1,640 22.1%
Grad Degree 1,327 17.9%
Average years of education: 14.2

Source for the above data: U.S. Census Bureau / American Community Survey (5 year-estimates)

Historical Presidential Election Results for Cortland township, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +422 D +357 D + 6.6%
D +779
2020 vs. 2012 R +424 D +300 D + 5.3%
D +724
2020 vs. 2008 R +593 R +171 R + 4.4%
D +422
2016 vs. 2008 R +171 R +528 R + 11.0%
D -357
How to interpret this table


Click on the Year to view municipality-level data for this county.
(Some years may be unavailable)

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 68% Joe Biden (D) 3,058 50.9% Donald Trump* (R) 2,815 46.8% 137 2.3% 6,010 6 0 0.10%
2016 62% Donald Trump (R) 2,393 46.1% Hillary Clinton (D) 2,279 43.9% 519 10.0% 5,191 8 0 0.09%
2012 60% Mitt Romney (R) 2,391 49.4% Barack Obama* (D) 2,334 48.2% 116 2.4% 4,841 9 2 0.09%
2008 68% Barack Obama (D) 2,636 53.5% John McCain (R) 2,222 45.1% 71 1.4% 4,929 8 -1 0.09%
2004 65% George W. Bush* (R) 2,244 57.0% John Kerry (D) 1,655 42.0% 39 1.0% 3,938 13 6 0.07%
2000 61% George W. Bush (R) 1,655 55.1% Albert Gore, Jr. (D) 1,260 42.0% 88 2.9% 3,003 13 7 0.06%
* incumbent         PSV: percent of state vote



2020 President, Cortland township
CandidateVotesPct
Joe Biden (D) 3,058 50.9%
Donald Trump* (R) 2,815 46.8%
Jo Jorgensen (Lbt) 92 1.5%
Other 45 0.7%
TOTAL 6,010
Turnout: 68% Diff (St): 6 Diff (US): 0


2016 President, Cortland township
CandidateVotesPct
Hillary Clinton (D) 2,279 43.9%
Donald Trump (R) 2,393 46.1%
Gary Johnson (Lbt) 310 6.0%
Other 209 4.0%
TOTAL 5,191
Turnout: 62% Diff (St): 8 Diff (US): 0


2012 President, Cortland township
CandidateVotesPct
Barack Obama* (D) 2,334 48.2%
Mitt Romney (R) 2,391 49.4%
Other 116 2.4%
TOTAL 4,841
Turnout: 60% Diff (St): 9 Diff (US): 2


2008 President, Cortland township
CandidateVotesPct
Barack Obama (D) 2,636 53.5%
John McCain (R) 2,222 45.1%
Other 71 1.4%
TOTAL 4,929
Turnout: 68% Diff (St): 8 Diff (US): -1


2004 President, Cortland township
CandidateVotesPct
George W. Bush* (R) 2,244 57.0%
John Kerry (D) 1,655 42.0%
Other 39 1.0%
TOTAL 3,938
Turnout: 65% Diff (St): 13 Diff (US): 6


2000 President, Cortland township
CandidateVotesPct
George W. Bush (R) 1,655 55.1%
Albert Gore, Jr. (D) 1,260 42.0%
Ralph Nader (Grn) 69 2.3%
Other 19 0.6%
TOTAL 3,003
Turnout: 61% Diff (St): 13 Diff (US): 7
* incumbent

Historical Statewide Election Results for Cortland township, IL

Click on the Year to view county-level data for that election.
(Some years may be unavailable)

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 52% Tammy Duckworth* (D) 2,289 50.6% Kathy Salvi (R) 2,147 47.4% 92 [+] 2.0% 4,528 6 0.11%
2022 G 51% J.B. Pritzker* (D) 2,203 48.7% Darren Bailey (R) 2,108 46.6% 209 [+] 4.6% 4,520 4 0.11%
2020 S2 68% Richard Durbin* (D) 2,875 48.0% Mark Curran (R) 2,784 46.5% 329 [+] 5.5% 5,988 8 0.10%
2018 G 53% Bruce Rauner* (R) 2,181 47.9% J.B. Pritzker (D) 1,954 42.9% 416 [+] 9.1% 4,551 9 0.10%
2016 S3 61% Mark Kirk* (R) 2,515 49.1% Tammy Duckworth (D) 2,182 42.6% 430 [+] 8.4% 5,127 9 0.09%
2014 S2 42% Jim Oberweis (R) 1,741 50.7% Richard Durbin* (D) 1,519 44.2% 175 [+] 5.1% 3,435 8 0.10%
2014 G 42% Bruce Rauner (R) 2,052 59.5% Pat Quinn* (D) 1,284 37.2% 114 [+] 3.3% 3,450 9 0.10%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote