Population Demographics for O'fallon, Illinois in 2019, 2018



Other Counties and Cities in Illinois


Population Demographics by Race

RacePopulation% of Total
Total Population28,281100
White21,87277
Black or African American4,40415
Hispanic or Latino9823
Two or More Races8583
Asian7852
Some Other Race265Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population13,72514,55628,281
White10,81911,05321,872
Black or African American2,0192,3854,404
Hispanic or Latino478504982
Two or More Races430428858
Asian283502785
Some Other Race139126265

Relevant Related Information

Demographic population totals

Total population in O'fallon

 
Total Population:28,281
Male Population:13,725
Female Population:14,556

Demographic median age by sex

Median age in O'fallon

 
Both sexes36
Male35
Female37

Demographic sex by age for the population in households

Population in households in O'fallon

 
Total Population:28,281
Male Population:13,725
Under 5 years:904
5 to 9 years:1,196
10 to 14 years:1,196
15 to 17 years:753
18 and 19 years:364
20 years:151
21 years:173
22 to 24 years:468
25 to 29 years:805
30 to 34 years:858
35 to 39 years:923
40 to 44 years:1,119
45 to 49 years:1,232
50 to 54 years:1,026
55 to 59 years:810
60 and 61 years:250
62 to 64 years:412
65 and 66 years:183
67 to 69 years:226
70 to 74 years:276
75 to 79 years:208
80 to 84 years:123
85 years and over:69
Female Population:14,556
Under 5 years:885
5 to 9 years:1,009
10 to 14 years:1,114
15 to 17 years:712
18 and 19 years:330
20 years:139
21 years:144
22 to 24 years:518
25 to 29 years:873
30 to 34 years:987
35 to 39 years:1,104
40 to 44 years:1,218
45 to 49 years:1,306
50 to 54 years:1,108
55 to 59 years:940
60 and 61 years:316
62 to 64 years:384
65 and 66 years:194
67 to 69 years:261
70 to 74 years:351
75 to 79 years:269
80 to 84 years:212
85 years and over:182

Demographic average population of home by age

Average household size in O'fallon

 
Total:2
Under 18 years:0
18 years and over:1

Demographic household type

Number of occupied homes in O'fallon

 
Total:10,747
Family led homes:7,804
Husband-wife family:6,035
Other family:1,769
Population of male led with no wife present:430
Population female led with no husband present:1,339
Population of Nonfamily homes:2,943
Population living alone:2,461
Population not living alone:482

Demographic population of homes with people under 18 years old by type

Total occupied homes in O'fallon with people under 18 years old:

 
Total:10,747
Population of homes with one or more people under 18 years:4,260
Population of family homes:4,229
Husband-wife family:3,045
Under 6 years only:612
Under 6 years and 6 to 17 years:616
6 to 17 years only:1,817
Other family:1,184
Male householder, no wife present:268
Under 6 years only:56
Under 6 years and 6 to 17 years:34
6 to 17 years only:178
Female led with no husband present:916
Under 6 years only:171
Under 6 years and 6 to 17 years:162
6 to 17 years only:583
Nonfamily households:31
Male led households:26
Under 6 years only:6
Under 6 years and 6 to 17 years:0
6 to 17 years only:20
Female led householder:5
Under 6 years only:3
Under 6 years and 6 to 17 years:0
6 to 17 years only:2
Households with no people under 18 years:6,487
Family households:3,575
Husband-wife family:2,990
Other family:585
Male led with no wife present:162
Female led with no husband present:423
Nonfamily households:2,912
Male led householder:1,280
Female led householder:1,632

Demographic type of home by age of owner-renter

Total number led homes in O'fallon, by type

 
Total Home Population:10,747
Population of Family homes:7,804
Population of 15 to 24 year olds:166
Population of 25 to 34 year olds:1,194
Population of 35 to 44 year olds:1,981
Population of 45 to 54 year olds:2,163
Population of 55 to 59 year olds:731
Population of 60 to 64 year olds:605
Population of 65 to 74 year olds:608
Population of 75 to 84 year olds:288
Population of 85 year olds and over:68
Population of Nonfamily Homes:2,943
Population of 15 to 24 year olds:225
Population of 25 to 34 year olds:549
Population of 35 to 44 year olds:401
Population of 45 to 54 year olds:528
Population of 55 to 59 year olds:262
Population of 60 to 64 year olds:224
Population of 65 to 74 year olds:355
Population of 75 to 84 year olds:278
Population of 85 year olds and over:121

Demographic population of homes with people 60 year olds and over

households in O'fallon containing people over 60

 
Total Population:10,747
Population of homes with one or more people 60 years and over:2,788
1-person household:935
2-or-more-person household:1,853
Family households:1,797
Nonfamily households:56
Population of homes with no people 60 years and over:7,959
1-person household:1,526
2-or-more-person household:6,433
Family homes:6,007
Nonfamily homes:426

Demographic population of multigenerational homes

homes in O'fallon with multiple generations.

 
Total Population:10,747
Home has three or more generations:321
Home does not have three or more generations:10,426

Demographic presence of unmarried partner of home owner-renter

Unmarried population in O'fallon under 18 years old in homes

 
Total Population:7,766
Unmarried partner of home lead present:418
In family homes:395
Population of male led and male partner homes:6
Population of male led and female partner households:149
Population of female led and female partner households:19
Population of female led and male partner households:221
In nonfamily homes:23
Population of male led and male partner homes:2
Population of male led and female partner homes:17
Population of female led and female partner homes:1
Population of female led and male partner homes:3
No unmarried partner of home lead present:7,348
In family homes:7,334
Population of husband-wife family homes:5,812
Population of male lead with no wife present, family homes:256
Population of female lead with no husband present, family homes:1,266
In nonfamily homes:14

Demographic population in families by age

Population in families living in O'fallon

 
Total Population:24,305
Population Under 18 years:7,693
Population 18 years and over:16,612

Demographic tenure of people in homes

How long in O'fallon have lived in one place.

 
Total:10,747
Population of Owner occupied homes:7,519
Family home:6,060
Nonfamily homess:1,459
Male led home:603
Living alone:481
Not living alone:122
Female led home:856
Living alone:779
Not living alone:77
Population of Renter occupied homes:3,228
Family run homes:1,744
Husband-wife family:868
Other family:876
Male led with no wife present:187
Female led with no husband present:689
Nonfamily Homes:1,484
Male led homes:703
Male living alone:543
Male not living alone:160
Female led homes:781
Females living alone:658
Females not living alone:123