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Arnold, MO Historical Age Data

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ACS 2010-2014 data

Total population: 21,020

Median Age (see rank)

Arnold, MO	40.40 years old
Missouri	38.10 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Arnold, MO	37.70 years old
Missouri	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Arnold, MO	42.00 years old
Missouri	39.50 years old
U.S.	38.80 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,455	6.92%, see rank	6.29%	6.36%
5 to 9 years	1,278	6.08%, see rank	6.50%	6.51%
10 to 14 years	1,236	5.88%, see rank	6.55%	6.59%
15 to 19 years	1,017	4.84%, see rank	6.78%	6.85%
20 to 24 years	1,520	7.23%, see rank	7.04%	7.13%
25 to 34 years	2,600	12.37%, see rank	13.15%	13.47%
35 to 44 years	2,692	12.81%, see rank	12.20%	12.96%
45 to 54 years	3,269	15.55%, see rank	14.18%	14.09%
55 to 64 years	2,630	12.51%, see rank	12.67%	12.29%
65 to 74 years	1,657	7.88%, see rank	8.07%	7.64%
75 to 84	1,358	6.46%, see rank	4.59%	4.25%
85 years and over	308	1.47%, see rank	1.98%	1.85%

US Census 2010 data

Total population: 20,808

Median Age (see rank)

Arnold, MO	39.20 years old
Missouri	37.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Arnold, MO	36.90 years old
Missouri	36.50 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Arnold, MO	40.80 years old
Missouri	39.20 years old
U.S.	38.50 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,286	6.18%, see rank	6.52%	6.54%
5 to 9 years	1,341	6.44%, see rank	6.52%	6.59%
10 to 14 years	1,382	6.64%, see rank	6.63%	6.70%
15 to 19 years	1,416	6.81%, see rank	7.08%	7.14%
20 to 24 years	1,232	5.92%, see rank	6.90%	6.99%
25 to 34 years	2,632	12.65%, see rank	12.95%	13.30%
35 to 44 years	2,823	13.57%, see rank	12.50%	13.30%
45 to 54 years	3,251	15.62%, see rank	14.84%	14.58%
55 to 64 years	2,459	11.82%, see rank	12.08%	11.82%
65 to 74 years	1,667	8.01%, see rank	7.52%	7.03%
75 to 84	1,005	4.83%, see rank	4.58%	4.23%
85 years and over	314	1.51%, see rank	1.90%	1.78%

ACS 2008-2012 data

Total population: 20,859

Median Age (see rank)

Arnold, MO	43.00 years old
Missouri	37.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Arnold, MO	41.30 years old
Missouri	36.50 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Arnold, MO	43.60 years old
Missouri	39.20 years old
U.S.	38.50 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,362	6.53%, see rank	6.44%	6.51%
5 to 9 years	1,270	6.09%, see rank	6.51%	6.57%
10 to 14 years	1,066	5.11%, see rank	6.63%	6.68%
15 to 19 years	1,105	5.30%, see rank	7.04%	7.09%
20 to 24 years	1,265	6.06%, see rank	6.95%	7.04%
25 to 34 years	2,430	11.65%, see rank	12.96%	13.32%
35 to 44 years	2,679	12.84%, see rank	12.57%	13.34%
45 to 54 years	3,598	17.25%, see rank	14.66%	14.44%
55 to 64 years	2,474	11.86%, see rank	12.13%	11.84%
65 to 74 years	1,833	8.79%, see rank	7.60%	7.12%
75 to 84	1,393	6.68%, see rank	4.57%	4.25%
85 years and over	384	1.84%, see rank	1.93%	1.78%

ACS 2006-2010 data

Total population: 20,753

Median Age (see rank)

Arnold, MO	40.20 years old
Missouri	37.60 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Arnold, MO	39.00 years old
Missouri	36.20 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Arnold, MO	42.20 years old
Missouri	38.90 years old
U.S.	38.10 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,440	6.94%, see rank	6.53%	6.62%
5 to 9 years	1,210	5.83%, see rank	6.51%	6.62%
10 to 14 years	1,032	4.97%, see rank	6.77%	6.79%
15 to 19 years	1,669	8.04%, see rank	7.26%	7.28%
20 to 24 years	979	4.72%, see rank	6.96%	6.98%
25 to 34 years	2,455	11.83%, see rank	12.74%	13.22%
35 to 44 years	3,058	14.74%, see rank	13.15%	13.89%
45 to 54 years	3,474	16.74%, see rank	14.84%	14.57%
55 to 64 years	2,615	12.60%, see rank	11.52%	11.28%
65 to 74 years	1,553	7.48%, see rank	7.25%	6.74%
75 to 84	998	4.81%, see rank	4.61%	4.30%
85 years and over	270	1.30%, see rank	1.87%	1.70%

ACS 2005-2009 data

Total population: 20,459

Median Age (see rank)

Arnold, MO	39.90 years old
Missouri	37.30 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Arnold, MO	38.30 years old
Missouri	35.90 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Arnold, MO	42.50 years old
Missouri	38.70 years old
U.S.	37.90 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,208	5.90%, see rank	6.70%	6.92%
5 to 9 years	1,264	6.18%, see rank	6.45%	6.59%
10 to 14 years	954	4.66%, see rank	6.78%	6.83%
15 to 19 years	1,578	7.71%, see rank	7.16%	7.15%
20 to 24 years	1,032	5.04%, see rank	7.13%	7.02%
25 to 34 years	2,546	12.44%, see rank	12.83%	13.42%
35 to 44 years	3,147	15.38%, see rank	13.57%	14.18%
45 to 54 years	3,378	16.51%, see rank	14.77%	14.48%
55 to 64 years	2,572	12.57%, see rank	11.12%	10.81%
65 to 74 years	1,584	7.74%, see rank	6.95%	6.50%
75 to 84	892	4.36%, see rank	4.67%	4.40%
85 years and over	304	1.49%, see rank	1.88%	1.71%

US Census 2000 data

Total population: 19,965

Median Age (see rank)

Arnold, MO	36.70 years old
Missouri	36.10 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Arnold, MO	35.50 years old
Missouri	34.80 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Arnold, MO	37.90 years old
Missouri	37.40 years old
U.S.	36.50 years old

	Arnold, MO	% of the Total Population	Missouri	U.S.
Under 5 years	1,313	6.58%, see rank	6.61%	6.81%
5 to 9 years	1,407	7.05%, see rank	7.13%	7.30%
10 to 14 years	1,500	7.51%, see rank	7.36%	7.29%
15 to 19 years	1,433	7.18%, see rank	7.39%	7.18%
20 to 24 years	1,118	5.60%, see rank	6.60%	6.74%
25 to 34 years	2,598	13.01%, see rank	13.20%	14.18%
35 to 44 years	3,462	17.34%, see rank	15.86%	16.04%
45 to 54 years	2,648	13.26%, see rank	13.27%	13.39%
55 to 64 years	2,064	10.34%, see rank	9.07%	8.63%
65 to 74 years	1,449	7.26%, see rank	7.03%	6.54%
75 to 84	747	3.74%, see rank	4.71%	4.39%
85 years and over	226	1.13%, see rank	1.76%	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.