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St. Clair township, IL


St. Clair County, IL

Tracts in this county

   

2022 population: 35,673   ( 175 from 2010 )
Land area: 20.4 square miles
Population density: 1750.9 persons per square mile

2022 Census data
White:23,353 65.46% 5.1%
Black:8,17222.91% 0.5%
Indian:760.21% 33.3%
Asian:9572.68% 23.6%
2+ races:1,7945.03% 107.6%
Hispanic:8082.27% 10.2%
Total non-White:12,32034.54% 13.2%

2010-2022 ComponentsNumberRate
Change in White population:-1,261 -4.3
Change in Non-White pop.:1,436 4.9




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

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

2010
35,498
24,61469.34%
8,21623.14%
570.16%
7742.18%
8642.43%
9002.54%
10,88430.66%

2000
31,298
24,96579.77%
4,80215.34%
260.08%
4821.54%
4171.33%
6061.94%
6,33320.23%

1990
27,086
24,09288.95%
2,3058.51%
670.25%
1660.61%
n/a
4561.68%
2,99411.05%

1980
21,774
20,74295.26%
5152.37%
110.05%
1980.91%
n/a
2881.32%
1,0324.74%

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
-351 -1.1
4,551 14.5
1990's
NumberRate
n/a
n/a
n/a
n/a
873 3.2
3,339 12.3
1980's
NumberRate
n/a
n/a
n/a
n/a
3,350 15.4
1,962 9.0

Age, Family & Household Data for St. Clair 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
42.1
7,156 20.1%
28,517 79.9%
6,318 17.7%
14,513
2.44
8,972 61.8%
6,762 75.4%
885 9.9%
5,541 38.2%

2010
NumberPercent
39.5
8,381 23.6%
27,117 76.4%
4,986 14.0%
14,373
2.44
9,646 67.1%
7,073 73.3%
1,170 12.1%
4,727 32.9%

2000
NumberPercent
36.6
8,134 26.0%
23,164 74.0%
4,018 12.8%
12,359
2.50
8,540 69.1%
6,574 77.0%
964 11.3%
3,819 30.9%

1990
NumberPercent
33.5
6,875 25.4%
20,211 74.6%
3,344 12.3%
10,482
2.53
7,454 71.1%
6,214 83.4%
640 8.6%
3,028 28.9%

1980
NumberPercent
30.7
5,714 26.2%
16,060 73.8%
2,113 9.7%
8,235
2.62
6,118 74.3%
5,278 86.3%
391 6.4%
2,117 25.7%

2022 Housing Data for St. Clair township, IL

Housing Data
 Number%
Housing Units15,801 
Median Value$178,000 
Occupied14,51391.8%
Vacant1,2888.2%
Owned10,51072.4%
Rented4,00327.6%
Median Rent$1,068 
Single-Family Units11,66973.8%
    Detached10,88168.9%
    Attached7885.0%
Buldings with 5+ Units1,79811.4%
Mobile Homes1,0646.7%

2022 Income & Employment Data for St. Clair township, IL

Household Income
RangeNumber%
Less than $10,0009296.4%
$10,000 to $14,9993202.2%
$15,000 to $19,9994423.0%
$20,000 to $24,9993412.3%
$25,000 to $29,9996304.3%
$30,000 to $34,9994162.9%
$35,000 to $39,9996474.5%
$40,000 to $44,9994503.1%
$45,000 to $49,9995623.9%
$50,000 to $59,9991,0066.9%
$60,000 to $74,9991,55110.7%
$75,000 to $99,9991,92413.3%
$100,000 to $124,9991,55710.7%
$125,000 to $149,9998625.9%
$150,000 to $199,9991,58010.9%
$200,000 or more1,2968.9%
Median Household Income74,681 
Per Capita Income41,178 
Welfare Households
 Number%
SSI6164.2%
Public Assistance3242.2%
Public Asst. or Food Stamps1,3659.4%
Labor Force, Ages 25-64
 Number%
Employed16,63272.7%
Unemployed8163.6%
In Armed Forces2181.0%
Total Labor Force17,66677.2%
Not in Labor Force5,20822.8%
Real Unemployment Rate 26.3%
Class of Worker
 MaleFemale% Male
Private Sector6,1835,78651.7%
Non-Profit5431,60025.3%
Self-Employed92047965.8%
Local Government69474048.4%
State Government27023653.4%
Federal Government50448551.0%
Total Private + Self7,1036,26553.1%
Total Non-Profit + Govt.2,0113,06139.6%
Total9,1149,32649.4%
Pct. Govt.15.9%  
Occupation
 Number%
Management, Business, Science, Arts2,75514.9%
Sales and Office Occupations3,78520.5%
Professional, Technical4,99027.1%
Service Occupations3,18417.3%
Farming, Forestry, Fishing270.1%
All others3,72620.2%
White Collar 62.5%
Industry
 Number%
Health care and social assistance3,20017.4%
Retail trade2,12111.5%
Accommodation and food services1,5888.6%
Educational services1,4798.0%
Professional, scientific, technical1,4637.9%
Public administration1,3007.0%
Manufacturing1,2556.8%
Transportation and warehousing1,0685.8%
Other services9375.1%
Finance and insurance8054.4%
Construction7824.2%
Administrative, support, waste mgmt.6553.6%
Arts, entertainment, recreation5222.8%
Wholesale trade4062.2%
Utilities2981.6%
Real estate and rental and leasing2571.4%
Information2061.1%
Agriculture, forestry, fishing, hunting580.3%
Management230.1%
Mining, quarrying, oil/gas extraction170.1%

2022 Ancestry, Citizenship & Language Data for St. Clair township, IL

Hispanic Breakdown
CountryNumber%
Mexican4611.29%
Puerto Rican00.00%
Cuban1060.30%
Dominican260.07%
Total Central American750.21%
Costa Rican00.00%
Guatemalan00.00%
Honduran00.00%
Nicaraguan00.00%
Panamanian280.08%
Salvadoran470.13%
Other Central American00.00%
Total South American450.13%
Argentinean00.00%
Bolivian00.00%
Chilean00.00%
Colombian220.06%
Ecuadorian100.03%
Paraguayan00.00%
Peruvian130.04%
Uruguayan00.00%
Venezuelan00.00%
Other South American00.00%
Other Hispanic950.27%
Asian Breakdown
CountryNumber%
Chinese3861.08%
Filipino2580.72%
Korean1410.40%
Indian860.24%
Vietnamese450.13%
Burmese410.11%
Language Spoken at Home
LanguageNumber%
English32,14893.8%
Spanish5861.7%
Chinese3511.0%
German, other Germanic3271.0%
Korean1850.5%
Other1850.5%
Tagalog1320.4%
Other Indo-European770.2%
Arabic750.2%
Ancestry
CountryNumber%
German9,10725.5%
Irish3,75310.5%
English3,2619.1%
Polish1,5064.2%
American1,4764.1%
French1,0683.0%
Italian1,0663.0%
Scottish6071.7%
Scotch-Irish4431.2%
European3911.1%
Dutch3531.0%
Russian2480.7%
Hungarian2360.7%
Nigerian2120.6%
Welsh2000.6%
Citizenship & Nativity
 Number%
U.S. citizen35,24398.8%
Not a citizen4301.2%
Native34,06195.5%
Foreign-born1,6124.5%

2022 Educational Attainment Data for St. Clair township, IL

Educational Attainment, Population 25 Years and Older
< 9 Years9-12 YearsH.S. Grad or GEDSome CollegeBach. DegreeGrad Degree
496 2.0%754 3.0%5,852 23.2%9,309 36.9%5,242 20.8%3,598 14.2%
  Average years of education: 14.0
Population 25 Years and Older
< 9 Years 496 2.0%
9-12 Years 754 3.0%
H.S. Grad or GED 5,852 23.2%
Some College 9,309 36.9%
Bach. Degree 5,242 20.8%
Grad Degree 3,598 14.2%
Average years of education: 14.0

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

Historical Presidential Election Results for St. Clair township, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +132 D +2,017 D + 10.3%
D +2,149
2020 vs. 2012 R -19 D +2,046 D + 10.5%
D +2,027
2020 vs. 2008 R +333 D +915 D + 4.1%
D +1,248
2016 vs. 2008 R +201 R +1,102 R + 6.2%
D -901
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 72% Joe Biden (D) 10,724 54.9% Donald Trump* (R) 8,315 42.6% 482 2.5% 19,521 2 -4 0.32%
2016 66% Hillary Clinton (D) 8,575 47.7% Donald Trump (R) 8,183 45.6% 1,206 6.7% 17,964 7 0 0.32%
2012 64% Barack Obama* (D) 8,697 50.2% Mitt Romney (R) 8,334 48.2% 277 1.6% 17,308 7 1 0.33%
2008 67% Barack Obama (D) 9,476 53.5% John McCain (R) 7,982 45.0% 261 1.5% 17,719 8 -1 0.32%
2000 56% George W. Bush (R) 7,110 54.3% Albert Gore, Jr. (D) 5,688 43.5% 286 2.2% 13,084 12 6 0.28%
* incumbent         PSV: percent of state vote



2020 President, St. Clair township
CandidateVotesPct
Joe Biden (D) 10,724 54.9%
Donald Trump* (R) 8,315 42.6%
Jo Jorgensen (Lbt) 240 1.2%
Other 242 1.2%
TOTAL 19,521
Turnout: 72% Diff (St): 2 Diff (US): -4


2016 President, St. Clair township
CandidateVotesPct
Hillary Clinton (D) 8,575 47.7%
Donald Trump (R) 8,183 45.6%
Gary Johnson (Lbt) 701 3.9%
Other 505 2.8%
TOTAL 17,964
Turnout: 66% Diff (St): 7 Diff (US): 0


2012 President, St. Clair township
CandidateVotesPct
Barack Obama* (D) 8,697 50.2%
Mitt Romney (R) 8,334 48.2%
Other 277 1.6%
TOTAL 17,308
Turnout: 64% Diff (St): 7 Diff (US): 1


2008 President, St. Clair township
CandidateVotesPct
Barack Obama (D) 9,476 53.5%
John McCain (R) 7,982 45.0%
Other 261 1.5%
TOTAL 17,719
Turnout: 67% Diff (St): 8 Diff (US): -1


2000 President, St. Clair township
CandidateVotesPct
George W. Bush (R) 7,110 54.3%
Albert Gore, Jr. (D) 5,688 43.5%
Ralph Nader (Grn) 221 1.7%
Other 65 0.5%
TOTAL 13,084
Turnout: 56% Diff (St): 12 Diff (US): 6
* incumbent

Historical Statewide Election Results for St. Clair 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 49% Tammy Duckworth* (D) 7,532 56.0% Kathy Salvi (R) 5,644 42.0% 263 [+] 2.0% 13,439 0 0.33%
2022 G 49% J.B. Pritzker* (D) 7,188 53.5% Darren Bailey (R) 5,854 43.6% 399 [+] 3.0% 13,441 1 0.33%
2020 S2 71% Richard Durbin* (D) 10,437 54.0% Mark Curran (R) 8,245 42.7% 631 [+] 3.3% 19,313 4 0.32%
2018 G 55% J.B. Pritzker (D) 8,045 53.4% Bruce Rauner* (R) 6,227 41.4% 780 [+] 5.2% 15,052 3 0.33%
2016 S3 65% Tammy Duckworth (D) 9,769 55.0% Mark Kirk* (R) 7,198 40.5% 802 [+] 4.5% 17,769 1 0.32%
2014 S2 42% Jim Oberweis (R) 5,758 50.7% Richard Durbin* (D) 5,213 45.9% 385 [+] 3.4% 11,356 8 0.32%
2014 G 42% Bruce Rauner (R) 6,457 57.1% Pat Quinn* (D) 4,373 38.7% 473 [+] 4.2% 11,303 7 0.31%
*: 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