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Monmouth township, IL


Warren County, IL

Tracts in this county

   

2022 population: 9,892   ( 571 from 2010 )
Land area: 36.8 square miles
Population density: 268.6 persons per square mile

2022 Census data
White:7,152 72.30% 16.2%
Black:5735.79% 113.8%
Indian:280.28% 12.0%
Asian:2632.66% 255.4%
2+ races:2302.33% 46.5%
Hispanic:1,59316.10% 13.9%
Total non-White:2,74027.70% 42.0%

2010-2022 ComponentsNumberRate
Change in White population:-1,382 -16.0
Change in Non-White pop.:811 9.4




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

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

2010
10,463
8,53481.56%
2682.56%
250.24%
740.71%
1571.50%
1,39813.36%
1,92918.44%

2000
10,715
9,76091.09%
2652.47%
180.17%
680.63%
1301.21%
4704.39%
9558.91%

1990
10,595
10,05794.92%
3613.41%
00.00%
520.49%
n/a
1251.18%
5385.08%

1980
11,746
11,00793.71%
3923.34%
400.34%
1301.11%
n/a
1771.51%
7396.29%

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
-1,226 -11.4
974 9.1
1990's
NumberRate
n/a
n/a
n/a
n/a
-297 -2.8
417 3.9
1980's
NumberRate
n/a
n/a
n/a
n/a
-950 -8.1
-201 -1.7

Age, Family & Household Data for Monmouth 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
37.1
2,301 23.3%
7,591 76.7%
1,820 18.4%
3,861
2.32
2,520 65.3%
1,596 63.3%
351 13.9%
1,341 34.7%

2010
NumberPercent
34.6
2,392 22.9%
8,071 77.1%
1,559 14.9%
3,905
2.41
2,462 63.0%
1,821 74.0%
278 11.3%
1,443 37.0%

2000
NumberPercent
34.1
2,469 23.0%
8,246 77.0%
1,635 15.3%
4,021
2.39
2,611 64.9%
1,972 75.5%
244 9.3%
1,410 35.1%

1990
NumberPercent
33.3
2,737 25.8%
7,858 74.2%
1,890 17.8%
4,171
2.37
2,679 64.2%
2,124 79.3%
334 12.5%
1,492 35.8%

1980
NumberPercent
30.5
3,182 27.1%
8,564 72.9%
1,836 15.6%
4,342
2.53
2,994 69.0%
2,571 85.9%
211 7.0%
1,348 31.0%

2022 Housing Data for Monmouth township, IL

Housing Data
 Number%
Housing Units4,264 
Median Value$97,300 
Occupied3,86190.5%
Vacant4039.5%
Owned2,80172.5%
Rented1,06027.5%
Median Rent$666 
Single-Family Units3,54883.2%
    Detached3,45981.1%
    Attached892.1%
Buldings with 5+ Units45310.6%
Mobile Homes892.1%

2022 Income & Employment Data for Monmouth township, IL

Household Income
RangeNumber%
Less than $10,0002406.2%
$10,000 to $14,9991614.2%
$15,000 to $19,999701.8%
$20,000 to $24,9992055.3%
$25,000 to $29,9992005.2%
$30,000 to $34,9991864.8%
$35,000 to $39,999872.3%
$40,000 to $44,9992025.2%
$45,000 to $49,9992285.9%
$50,000 to $59,9993639.4%
$60,000 to $74,99942811.1%
$75,000 to $99,99952013.5%
$100,000 to $124,99942311.0%
$125,000 to $149,9992185.6%
$150,000 to $199,9991373.5%
$200,000 or more1935.0%
Median Household Income59,840 
Per Capita Income29,898 
Welfare Households
 Number%
SSI2025.2%
Public Assistance892.3%
Public Asst. or Food Stamps66017.1%
Labor Force, Ages 25-64
 Number%
Employed3,39767.3%
Unemployed3787.5%
In Armed Forces00.0%
Total Labor Force3,77574.7%
Not in Labor Force1,27625.3%
Real Unemployment Rate 32.7%
Class of Worker
 MaleFemale% Male
Private Sector1,3151,29350.4%
Non-Profit27145737.2%
Self-Employed21811565.5%
Local Government15826137.7%
State Government859946.2%
Federal Government16769.6%
Total Private + Self1,5331,40852.1%
Total Non-Profit + Govt.53082439.1%
Total2,0632,23248.0%
Pct. Govt.14.6%  
Occupation
 Number%
Management, Business, Science, Arts52412.2%
Sales and Office Occupations91521.3%
Professional, Technical78018.2%
Service Occupations1,00323.4%
Farming, Forestry, Fishing290.7%
All others1,07325.0%
White Collar 51.7%
Industry
 Number%
Educational services87920.5%
Manufacturing51712.0%
Retail trade50211.7%
Health care and social assistance49711.6%
Other services3017.0%
Transportation and warehousing3017.0%
Accommodation and food services2525.9%
Wholesale trade2385.5%
Administrative, support, waste mgmt.1914.4%
Public administration1182.7%
Finance and insurance1012.4%
Real estate and rental and leasing922.1%
Agriculture, forestry, fishing, hunting721.7%
Construction691.6%
Professional, scientific, technical641.5%
Information360.8%
Arts, entertainment, recreation300.7%
Mining, quarrying, oil/gas extraction200.5%
Utilities100.2%
Management50.1%

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

Hispanic Breakdown
CountryNumber%
Mexican1,30213.16%
Puerto Rican1241.25%
Cuban110.11%
Dominican00.00%
Total Central American430.43%
Costa Rican00.00%
Guatemalan430.43%
Honduran00.00%
Nicaraguan00.00%
Panamanian00.00%
Salvadoran00.00%
Other Central American00.00%
Total South American150.15%
Argentinean00.00%
Bolivian00.00%
Chilean00.00%
Colombian00.00%
Ecuadorian00.00%
Paraguayan00.00%
Peruvian150.15%
Uruguayan00.00%
Venezuelan00.00%
Other South American00.00%
Other Hispanic980.99%
Asian Breakdown
CountryNumber%
Burmese1251.26%
Japanese670.68%
Chinese240.24%
Cambodian150.15%
Korean90.09%
Language Spoken at Home
LanguageNumber%
English7,84983.2%
Spanish1,06211.3%
French, Haitian, Cajun2562.7%
Other Asian1171.2%
Arabic830.9%
Chinese470.5%
Other120.1%
German, other Germanic20.0%
Other Indo-European10.0%
Ancestry
CountryNumber%
German1,58216.0%
Irish1,35213.7%
English6366.4%
American3553.6%
Swedish3543.6%
French2983.0%
Italian2492.5%
African1681.7%
Polish1501.5%
European1351.4%
Scotch-Irish1171.2%
Welsh1131.1%
Dutch1071.1%
Other Subsaharan African850.9%
Scottish690.7%
Citizenship & Nativity
 Number%
U.S. citizen9,38594.9%
Not a citizen5075.1%
Native8,88789.8%
Foreign-born1,00510.2%

2022 Educational Attainment Data for Monmouth township, IL

Educational Attainment, Population 25 Years and Older
< 9 Years9-12 YearsH.S. Grad or GEDSome CollegeBach. DegreeGrad Degree
407 6.7%606 9.9%2,091 34.2%1,732 28.3%873 14.3%405 6.6%
  Average years of education: 12.5
Population 25 Years and Older
< 9 Years 407 6.7%
9-12 Years 606 9.9%
H.S. Grad or GED 2,091 34.2%
Some College 1,732 28.3%
Bach. Degree 873 14.3%
Grad Degree 405 6.6%
Average years of education: 12.5

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

Historical Presidential Election Results for Monmouth township, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +140 R +128 R + 3.2%
D +12
2020 vs. 2012 R +483 R +956 R + 24.4%
D -473
2020 vs. 2008 R +442 R +940 R + 23.7%
D -498
2016 vs. 2008 R +302 R +812 R + 20.6%
D -510
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 52% Donald Trump* (R) 2,073 51.7% Joe Biden (D) 1,845 46.0% 90 2.2% 4,008 11 5 0.07%
2016 52% Donald Trump (R) 1,933 47.4% Hillary Clinton (D) 1,833 44.9% 313 7.7% 4,079 9 1 0.07%
2012 50% Barack Obama* (D) 2,318 58.0% Mitt Romney (R) 1,590 39.8% 86 2.2% 3,994 -1 -7 0.08%
2008 50% Barack Obama (D) 2,343 57.9% John McCain (R) 1,631 40.3% 75 1.9% 4,049 4 -5 0.07%
2004 51% John Kerry (D) 2,142 51.6% George W. Bush* (R) 1,975 47.6% 32 0.8% 4,149 3 -3 0.08%
2000 46% Albert Gore, Jr. (D) 1,967 51.7% George W. Bush (R) 1,723 45.3% 113 3.0% 3,803 3 -3 0.08%
* incumbent         PSV: percent of state vote



2020 President, Monmouth township
CandidateVotesPct
Joe Biden (D) 1,845 46.0%
Donald Trump* (R) 2,073 51.7%
Jo Jorgensen (Lbt) 55 1.4%
Other 35 0.9%
TOTAL 4,008
Turnout: 52% Diff (St): 11 Diff (US): 5


2016 President, Monmouth township
CandidateVotesPct
Hillary Clinton (D) 1,833 44.9%
Donald Trump (R) 1,933 47.4%
Gary Johnson (Lbt) 199 4.9%
Other 114 2.8%
TOTAL 4,079
Turnout: 52% Diff (St): 9 Diff (US): 1


2012 President, Monmouth township
CandidateVotesPct
Barack Obama* (D) 2,318 58.0%
Mitt Romney (R) 1,590 39.8%
Other 86 2.2%
TOTAL 3,994
Turnout: 50% Diff (St): -1 Diff (US): -7


2008 President, Monmouth township
CandidateVotesPct
Barack Obama (D) 2,343 57.9%
John McCain (R) 1,631 40.3%
Other 75 1.9%
TOTAL 4,049
Turnout: 50% Diff (St): 4 Diff (US): -5


2004 President, Monmouth township
CandidateVotesPct
George W. Bush* (R) 1,975 47.6%
John Kerry (D) 2,142 51.6%
Other 32 0.8%
TOTAL 4,149
Turnout: 51% Diff (St): 3 Diff (US): -3


2000 President, Monmouth township
CandidateVotesPct
George W. Bush (R) 1,723 45.3%
Albert Gore, Jr. (D) 1,967 51.7%
Ralph Nader (Grn) 75 2.0%
Other 38 1.0%
TOTAL 3,803
Turnout: 46% Diff (St): 3 Diff (US): -3
* incumbent

Historical Statewide Election Results for Monmouth 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 37% Kathy Salvi (R) 1,533 54.1% Tammy Duckworth* (D) 1,238 43.7% 62 [+] 2.2% 2,833 13 0.07%
2022 G 37% Darren Bailey (R) 1,630 56.7% J.B. Pritzker* (D) 1,156 40.2% 90 [+] 3.1% 2,876 14 0.07%
2020 S2 51% Mark Curran (R) 2,034 51.8% Richard Durbin* (D) 1,785 45.4% 109 [+] 2.8% 3,928 13 0.07%
2018 G 39% Bruce Rauner* (R) 1,447 47.9% J.B. Pritzker (D) 1,361 45.0% 214 [+] 7.1% 3,022 9 0.07%
2016 S3 51% Mark Kirk* (R) 1,936 48.1% Tammy Duckworth (D) 1,797 44.7% 288 [+] 7.2% 4,021 8 0.07%
2014 S2 34% Richard Durbin* (D) 1,319 49.2% Jim Oberweis (R) 1,267 47.2% 96 [+] 3.6% 2,682 5 0.07%
2014 G 34% Bruce Rauner (R) 1,502 55.8% Pat Quinn* (D) 1,064 39.6% 124 [+] 4.6% 2,690 6 0.07%
*: 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