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Mountrail County Historical Age Data

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ACS 2010-2014 data

Total population: 8,743

Median Age (see rank)

Mountrail County	35.20 years old
North Dakota	35.90 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Mountrail County	34.50 years old
North Dakota	34.50 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Mountrail County	37.10 years old
North Dakota	37.50 years old
U.S.	38.80 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	654	7.48%, see rank	6.65%	6.36%
5 to 9 years	583	6.67%, see rank	6.38%	6.51%
10 to 14 years	599	6.85%, see rank	5.79%	6.59%
15 to 19 years	533	6.10%, see rank	6.87%	6.85%
20 to 24 years	657	7.51%, see rank	9.27%	7.13%
25 to 34 years	1,312	15.01%, see rank	14.00%	13.47%
35 to 44 years	1,007	11.52%, see rank	11.06%	12.96%
45 to 54 years	1,217	13.92%, see rank	13.20%	14.09%
55 to 64 years	1,130	12.92%, see rank	12.46%	12.29%
65 to 74 years	586	6.70%, see rank	7.12%	7.64%
75 to 84	325	3.72%, see rank	4.78%	4.25%
85 years and over	140	1.60%, see rank	2.41%	1.85%

US Census 2010 data

Total population: 7,673

Median Age (see rank)

Mountrail County	37.00 years old
North Dakota	37.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Mountrail County	35.10 years old
North Dakota	35.50 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Mountrail County	39.80 years old
North Dakota	38.70 years old
U.S.	38.50 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	510	6.65%, see rank	6.63%	6.54%
5 to 9 years	496	6.46%, see rank	5.96%	6.59%
10 to 14 years	507	6.61%, see rank	5.92%	6.70%
15 to 19 years	514	6.70%, see rank	7.06%	7.14%
20 to 24 years	584	7.61%, see rank	8.77%	6.99%
25 to 34 years	1,047	13.65%, see rank	13.45%	13.30%
35 to 44 years	863	11.25%, see rank	11.19%	13.30%
45 to 54 years	1,093	14.24%, see rank	14.37%	14.58%
55 to 64 years	1,009	13.15%, see rank	12.16%	11.82%
65 to 74 years	541	7.05%, see rank	6.97%	7.03%
75 to 84	340	4.43%, see rank	5.04%	4.23%
85 years and over	169	2.20%, see rank	2.48%	1.78%

ACS 2008-2012 data

Total population: 7,830

Median Age (see rank)

Mountrail County	36.90 years old
North Dakota	36.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Mountrail County	34.90 years old
North Dakota	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Mountrail County	39.80 years old
North Dakota	38.60 years old
U.S.	38.50 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	545	6.96%, see rank	6.51%	6.51%
5 to 9 years	481	6.14%, see rank	6.15%	6.57%
10 to 14 years	526	6.72%, see rank	5.77%	6.68%
15 to 19 years	584	7.46%, see rank	7.10%	7.09%
20 to 24 years	602	7.69%, see rank	8.99%	7.04%
25 to 34 years	999	12.76%, see rank	13.44%	13.32%
35 to 44 years	879	11.23%, see rank	11.24%	13.34%
45 to 54 years	1,173	14.98%, see rank	14.18%	14.44%
55 to 64 years	999	12.76%, see rank	12.14%	11.84%
65 to 74 years	556	7.10%, see rank	7.02%	7.12%
75 to 84	339	4.33%, see rank	5.01%	4.25%
85 years and over	147	1.88%, see rank	2.45%	1.78%

ACS 2006-2010 data

Total population: 7,228

Median Age (see rank)

Mountrail County	38.10 years old
North Dakota	37.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Mountrail County	35.00 years old
North Dakota	35.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Mountrail County	40.30 years old
North Dakota	38.90 years old
U.S.	38.10 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	468	6.47%, see rank	6.33%	6.62%
5 to 9 years	444	6.14%, see rank	5.93%	6.62%
10 to 14 years	529	7.32%, see rank	6.09%	6.79%
15 to 19 years	563	7.79%, see rank	7.48%	7.28%
20 to 24 years	456	6.31%, see rank	9.10%	6.98%
25 to 34 years	914	12.65%, see rank	12.63%	13.22%
35 to 44 years	793	10.97%, see rank	11.70%	13.89%
45 to 54 years	1,106	15.30%, see rank	14.72%	14.57%
55 to 64 years	931	12.88%, see rank	11.46%	11.28%
65 to 74 years	510	7.06%, see rank	6.89%	6.74%
75 to 84	301	4.16%, see rank	5.17%	4.30%
85 years and over	213	2.95%, see rank	2.48%	1.70%

ACS 2005-2009 data

Total population: 6,540

Median Age (see rank)

Mountrail County	39.70 years old
North Dakota	36.60 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Mountrail County	38.50 years old
North Dakota	34.80 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Mountrail County	42.00 years old
North Dakota	38.50 years old
U.S.	37.90 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	473	7.23%, see rank	6.35%	6.92%
5 to 9 years	384	5.87%, see rank	5.80%	6.59%
10 to 14 years	568	8.69%, see rank	6.15%	6.83%
15 to 19 years	541	8.27%, see rank	7.80%	7.15%
20 to 24 years	364	5.57%, see rank	10.05%	7.02%
25 to 34 years	606	9.27%, see rank	12.14%	13.42%
35 to 44 years	707	10.81%, see rank	11.86%	14.18%
45 to 54 years	993	15.18%, see rank	14.50%	14.48%
55 to 64 years	820	12.54%, see rank	10.71%	10.81%
65 to 74 years	489	7.48%, see rank	6.76%	6.50%
75 to 84	368	5.63%, see rank	5.36%	4.40%
85 years and over	227	3.47%, see rank	2.51%	1.71%

US Census 2000 data

Total population: 6,631

Median Age (see rank)

Mountrail County	39.60 years old
North Dakota	36.20 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Mountrail County	38.80 years old
North Dakota	34.80 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Mountrail County	40.40 years old
North Dakota	37.50 years old
U.S.	36.50 years old

	Mountrail County	% of the Total Population	North Dakota	U.S.
Under 5 years	431	6.50%, see rank	6.14%	6.81%
5 to 9 years	492	7.42%, see rank	6.69%	7.30%
10 to 14 years	565	8.52%, see rank	7.39%	7.29%
15 to 19 years	543	8.19%, see rank	8.35%	7.18%
20 to 24 years	281	4.24%, see rank	7.86%	6.74%
25 to 34 years	630	9.50%, see rank	11.97%	14.18%
35 to 44 years	907	13.68%, see rank	15.26%	16.04%
45 to 54 years	962	14.51%, see rank	13.30%	13.39%
55 to 64 years	646	9.74%, see rank	8.32%	8.63%
65 to 74 years	529	7.98%, see rank	7.15%	6.54%
75 to 84	432	6.51%, see rank	5.27%	4.39%
85 years and over	213	3.21%, see rank	2.29%	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.