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Knife River, MT Historical Age Data

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US Census 2010 data

Total population: 320

Median Age (see rank)

Knife River, MT	43.80 years old
Montana	39.80 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Knife River, MT	45.50 years old
Montana	38.80 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Knife River, MT	41.80 years old
Montana	41.00 years old
U.S.	38.50 years old

	Knife River, MT	% of the Total Population	Montana	U.S.
Under 5 years	18	5.63%, see rank	6.31%	6.54%
5 to 9 years	16	5.00%, see rank	6.14%	6.59%
10 to 14 years	20	6.25%, see rank	6.18%	6.70%
15 to 19 years	32	10.00%, see rank	6.74%	7.14%
20 to 24 years	20	6.25%, see rank	6.79%	6.99%
25 to 34 years	20	6.25%, see rank	12.42%	13.30%
35 to 44 years	41	12.81%, see rank	11.42%	13.30%
45 to 54 years	56	17.50%, see rank	15.14%	14.58%
55 to 64 years	36	11.25%, see rank	14.03%	11.82%
65 to 74 years	35	10.94%, see rank	8.16%	7.03%
75 to 84	21	6.56%, see rank	4.65%	4.23%
85 years and over	5	1.56%, see rank	2.02%	1.78%

ACS 2008-2012 data

Total population: 398

Median Age (see rank)

Knife River, MT	25.30 years old
Montana	39.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Knife River, MT	32.90 years old
Montana	38.80 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Knife River, MT	22.50 years old
Montana	41.00 years old
U.S.	38.50 years old

	Knife River, MT	% of the Total Population	Montana	U.S.
Under 5 years	44	11.06%, see rank	6.14%	6.51%
5 to 9 years	37	9.30%, see rank	6.31%	6.57%
10 to 14 years	53	13.32%, see rank	6.12%	6.68%
15 to 19 years	37	9.30%, see rank	6.76%	7.09%
20 to 24 years	24	6.03%, see rank	6.91%	7.04%
25 to 34 years	24	6.03%, see rank	12.28%	13.32%
35 to 44 years	55	13.82%, see rank	11.53%	13.34%
45 to 54 years	51	12.81%, see rank	14.91%	14.44%
55 to 64 years	41	10.30%, see rank	14.10%	11.84%
65 to 74 years	18	4.52%, see rank	8.22%	7.12%
75 to 84	12	3.02%, see rank	4.74%	4.25%
85 years and over	2	0.50%, see rank	1.97%	1.78%

ACS 2006-2010 data

Total population: 280

Median Age (see rank)

Knife River, MT	39.60 years old
Montana	39.70 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Knife River, MT	33.60 years old
Montana	38.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Knife River, MT	42.20 years old
Montana	40.90 years old
U.S.	38.10 years old

	Knife River, MT	% of the Total Population	Montana	U.S.
Under 5 years	26	9.29%, see rank	6.13%	6.62%
5 to 9 years	15	5.36%, see rank	6.20%	6.62%
10 to 14 years	26	9.29%, see rank	6.33%	6.79%
15 to 19 years	23	8.21%, see rank	7.14%	7.28%
20 to 24 years	6	2.14%, see rank	7.02%	6.98%
25 to 34 years	41	14.64%, see rank	11.87%	13.22%
35 to 44 years	22	7.86%, see rank	12.02%	13.89%
45 to 54 years	40	14.29%, see rank	15.65%	14.57%
55 to 64 years	48	17.14%, see rank	13.27%	11.28%
65 to 74 years	17	6.07%, see rank	7.69%	6.74%
75 to 84	13	4.64%, see rank	4.86%	4.30%
85 years and over	3	1.07%, see rank	1.82%	1.70%

ACS 2005-2009 data

Total population: 289

Median Age (see rank)

Knife River, MT	46.40 years old
Montana	39.00 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Knife River, MT	46.20 years old
Montana	37.70 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Knife River, MT	52.20 years old
Montana	40.20 years old
U.S.	37.90 years old

	Knife River, MT	% of the Total Population	Montana	U.S.
Under 5 years	25	8.65%, see rank	6.21%	6.92%
5 to 9 years	11	3.81%, see rank	6.08%	6.59%
10 to 14 years	26	9.00%, see rank	6.35%	6.83%
15 to 19 years	22	7.61%, see rank	7.34%	7.15%
20 to 24 years	4	1.38%, see rank	7.81%	7.02%
25 to 34 years	27	9.34%, see rank	11.76%	13.42%
35 to 44 years	21	7.27%, see rank	12.26%	14.18%
45 to 54 years	33	11.42%, see rank	15.63%	14.48%
55 to 64 years	63	21.80%, see rank	12.47%	10.81%
65 to 74 years	26	9.00%, see rank	7.28%	6.50%
75 to 84	18	6.23%, see rank	4.90%	4.40%
85 years and over	13	4.50%, see rank	1.91%	1.71%

US Census 2000 data

Total population: 297

Median Age (see rank)

Knife River, MT	40.40 years old
Montana	37.50 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Knife River, MT	39.00 years old
Montana	36.60 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Knife River, MT	41.30 years old
Montana	38.50 years old
U.S.	36.50 years old

	Knife River, MT	% of the Total Population	Montana	U.S.
Under 5 years	8	2.69%, see rank	6.08%	6.81%
5 to 9 years	22	7.41%, see rank	6.87%	7.30%
10 to 14 years	31	10.44%, see rank	7.68%	7.29%
15 to 19 years	29	9.76%, see rank	7.90%	7.18%
20 to 24 years	9	3.03%, see rank	6.47%	6.74%
25 to 34 years	19	6.40%, see rank	11.45%	14.18%
35 to 44 years	53	17.85%, see rank	15.73%	16.04%
45 to 54 years	47	15.82%, see rank	14.97%	13.39%
55 to 64 years	29	9.76%, see rank	9.43%	8.63%
65 to 74 years	18	6.06%, see rank	6.93%	6.54%
75 to 84	29	9.76%, see rank	4.78%	4.39%
85 years and over	3	1.01%, see rank	1.70%	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.