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Monmouth, IL Historical Age Data

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ACS 2010-2014 data

Total population: 9,565

Median Age (see rank)

Monmouth, IL	33.30 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Monmouth, IL	28.30 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Monmouth, IL	35.80 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	539	5.64%, see rank	6.30%	6.36%
5 to 9 years	541	5.66%, see rank	6.58%	6.51%
10 to 14 years	723	7.56%, see rank	6.71%	6.59%
15 to 19 years	1,133	11.85%, see rank	6.94%	6.85%
20 to 24 years	1,129	11.80%, see rank	6.95%	7.13%
25 to 34 years	951	9.94%, see rank	13.84%	13.47%
35 to 44 years	960	10.04%, see rank	13.20%	12.96%
45 to 54 years	1,144	11.96%, see rank	14.17%	14.09%
55 to 64 years	1,038	10.85%, see rank	12.13%	12.29%
65 to 74 years	739	7.73%, see rank	7.18%	7.64%
75 to 84	442	4.62%, see rank	4.10%	4.25%
85 years and over	226	2.36%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 9,444

Median Age (see rank)

Monmouth, IL	33.10 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Monmouth, IL	31.60 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Monmouth, IL	34.60 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	619	6.55%, see rank	6.51%	6.54%
5 to 9 years	622	6.59%, see rank	6.70%	6.59%
10 to 14 years	599	6.34%, see rank	6.85%	6.70%
15 to 19 years	952	10.08%, see rank	7.19%	7.14%
20 to 24 years	1,031	10.92%, see rank	6.85%	6.99%
25 to 34 years	1,127	11.93%, see rank	13.84%	13.30%
35 to 44 years	1,034	10.95%, see rank	13.45%	13.30%
45 to 54 years	1,102	11.67%, see rank	14.58%	14.58%
55 to 64 years	977	10.35%, see rank	11.48%	11.82%
65 to 74 years	686	7.26%, see rank	6.62%	7.03%
75 to 84	454	4.81%, see rank	4.09%	4.23%
85 years and over	241	2.55%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 9,659

Median Age (see rank)

Monmouth, IL	34.50 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Monmouth, IL	27.60 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Monmouth, IL	37.80 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	563	5.83%, see rank	6.50%	6.51%
5 to 9 years	536	5.55%, see rank	6.68%	6.57%
10 to 14 years	670	6.94%, see rank	6.82%	6.68%
15 to 19 years	1,087	11.25%, see rank	7.16%	7.09%
20 to 24 years	1,139	11.79%, see rank	6.88%	7.04%
25 to 34 years	934	9.67%, see rank	13.84%	13.32%
35 to 44 years	1,099	11.38%, see rank	13.49%	13.34%
45 to 54 years	1,148	11.89%, see rank	14.46%	14.44%
55 to 64 years	1,145	11.85%, see rank	11.52%	11.84%
65 to 74 years	700	7.25%, see rank	6.71%	7.12%
75 to 84	370	3.83%, see rank	4.11%	4.25%
85 years and over	268	2.77%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 9,391

Median Age (see rank)

Monmouth, IL	34.40 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Monmouth, IL	30.80 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Monmouth, IL	37.00 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	572	6.09%, see rank	6.63%	6.62%
5 to 9 years	485	5.16%, see rank	6.78%	6.62%
10 to 14 years	641	6.83%, see rank	6.94%	6.79%
15 to 19 years	1,063	11.32%, see rank	7.31%	7.28%
20 to 24 years	998	10.63%, see rank	6.86%	6.98%
25 to 34 years	1,038	11.05%, see rank	13.78%	13.22%
35 to 44 years	1,094	11.65%, see rank	13.96%	13.89%
45 to 54 years	1,092	11.63%, see rank	14.55%	14.57%
55 to 64 years	1,006	10.71%, see rank	10.89%	11.28%
65 to 74 years	621	6.61%, see rank	6.36%	6.74%
75 to 84	548	5.84%, see rank	4.17%	4.30%
85 years and over	233	2.48%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 9,107

Median Age (see rank)

Monmouth, IL	34.90 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Monmouth, IL	32.30 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Monmouth, IL	37.20 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	510	5.60%, see rank	6.97%	6.92%
5 to 9 years	543	5.96%, see rank	6.76%	6.59%
10 to 14 years	575	6.31%, see rank	6.96%	6.83%
15 to 19 years	992	10.89%, see rank	7.24%	7.15%
20 to 24 years	1,082	11.88%, see rank	7.08%	7.02%
25 to 34 years	857	9.41%, see rank	13.73%	13.42%
35 to 44 years	1,108	12.17%, see rank	14.23%	14.18%
45 to 54 years	1,052	11.55%, see rank	14.47%	14.48%
55 to 64 years	980	10.76%, see rank	10.43%	10.81%
65 to 74 years	669	7.35%, see rank	6.21%	6.50%
75 to 84	532	5.84%, see rank	4.17%	4.40%
85 years and over	207	2.27%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 9,841

Median Age (see rank)

Monmouth, IL	33.80 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Monmouth, IL	31.90 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Monmouth, IL	35.60 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Monmouth, IL	% of the Total Population	Illinois	U.S.
Under 5 years	582	5.91%, see rank	7.06%	6.81%
5 to 9 years	620	6.30%, see rank	7.49%	7.30%
10 to 14 years	648	6.58%, see rank	7.29%	7.29%
15 to 19 years	1,023	10.40%, see rank	7.20%	7.18%
20 to 24 years	1,071	10.88%, see rank	6.85%	6.74%
25 to 34 years	1,102	11.20%, see rank	14.59%	14.18%
35 to 44 years	1,267	12.87%, see rank	15.97%	16.04%
45 to 54 years	1,218	12.38%, see rank	13.10%	13.39%
55 to 64 years	784	7.97%, see rank	8.38%	8.63%
65 to 74 years	681	6.92%, see rank	6.22%	6.54%
75 to 84	587	5.96%, see rank	4.31%	4.39%
85 years and over	258	2.62%, see rank	1.55%	1.51%

* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.