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Niobrara County Historical Age Data

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ACS 2010-2014 data

Total population: 2,492

Median Age (see rank)

Niobrara County	42.70 years old
Wyoming	36.80 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Niobrara County	38.90 years old
Wyoming	35.90 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Niobrara County	44.50 years old
Wyoming	37.80 years old
U.S.	38.80 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	168	6.74%, see rank	6.77%	6.36%
5 to 9 years	64	2.57%, see rank	6.67%	6.51%
10 to 14 years	133	5.34%, see rank	6.55%	6.59%
15 to 19 years	138	5.54%, see rank	6.51%	6.85%
20 to 24 years	187	7.50%, see rank	7.25%	7.13%
25 to 34 years	328	13.16%, see rank	14.02%	13.47%
35 to 44 years	303	12.16%, see rank	11.98%	12.96%
45 to 54 years	393	15.77%, see rank	13.56%	14.09%
55 to 64 years	310	12.44%, see rank	13.61%	12.29%
65 to 74 years	263	10.55%, see rank	7.55%	7.64%
75 to 84	181	7.26%, see rank	3.94%	4.25%
85 years and over	24	0.96%, see rank	1.58%	1.85%

US Census 2010 data

Total population: 2,484

Median Age (see rank)

Niobrara County	46.10 years old
Wyoming	36.80 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Niobrara County	46.90 years old
Wyoming	36.00 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Niobrara County	45.70 years old
Wyoming	37.70 years old
U.S.	38.50 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	96	3.86%, see rank	7.13%	6.54%
5 to 9 years	134	5.39%, see rank	6.60%	6.59%
10 to 14 years	148	5.96%, see rank	6.38%	6.70%
15 to 19 years	132	5.31%, see rank	6.77%	7.14%
20 to 24 years	105	4.23%, see rank	7.15%	6.99%
25 to 34 years	280	11.27%, see rank	13.78%	13.30%
35 to 44 years	310	12.48%, see rank	11.88%	13.30%
45 to 54 years	402	16.18%, see rank	14.83%	14.58%
55 to 64 years	364	14.65%, see rank	13.04%	11.82%
65 to 74 years	292	11.76%, see rank	7.02%	7.03%
75 to 84	169	6.80%, see rank	3.89%	4.23%
85 years and over	52	2.09%, see rank	1.53%	1.78%

ACS 2008-2012 data

Total population: 2,478

Median Age (see rank)

Niobrara County	44.50 years old
Wyoming	36.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Niobrara County	44.10 years old
Wyoming	36.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Niobrara County	44.60 years old
Wyoming	37.90 years old
U.S.	38.50 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	92	3.71%, see rank	6.96%	6.51%
5 to 9 years	116	4.68%, see rank	6.63%	6.57%
10 to 14 years	203	8.19%, see rank	6.43%	6.68%
15 to 19 years	148	5.97%, see rank	6.84%	7.09%
20 to 24 years	132	5.33%, see rank	7.19%	7.04%
25 to 34 years	209	8.43%, see rank	13.64%	13.32%
35 to 44 years	370	14.93%, see rank	12.02%	13.34%
45 to 54 years	428	17.27%, see rank	14.68%	14.44%
55 to 64 years	334	13.48%, see rank	13.09%	11.84%
65 to 74 years	274	11.06%, see rank	7.07%	7.12%
75 to 84	134	5.41%, see rank	3.88%	4.25%
85 years and over	38	1.53%, see rank	1.55%	1.78%

ACS 2006-2010 data

Total population: 2,430

Median Age (see rank)

Niobrara County	45.20 years old
Wyoming	37.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Niobrara County	45.60 years old
Wyoming	36.10 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Niobrara County	44.90 years old
Wyoming	38.00 years old
U.S.	38.10 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	79	3.25%, see rank	6.83%	6.62%
5 to 9 years	101	4.16%, see rank	6.66%	6.62%
10 to 14 years	181	7.45%, see rank	6.40%	6.79%
15 to 19 years	205	8.44%, see rank	7.10%	7.28%
20 to 24 years	112	4.61%, see rank	7.42%	6.98%
25 to 34 years	202	8.31%, see rank	13.15%	13.22%
35 to 44 years	327	13.46%, see rank	12.21%	13.89%
45 to 54 years	487	20.04%, see rank	15.60%	14.57%
55 to 64 years	391	16.09%, see rank	12.46%	11.28%
65 to 74 years	171	7.04%, see rank	6.73%	6.74%
75 to 84	111	4.57%, see rank	3.96%	4.30%
85 years and over	63	2.59%, see rank	1.48%	1.70%

ACS 2005-2009 data

Total population: 2,306

Median Age (see rank)

Niobrara County	45.90 years old
Wyoming	36.70 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Niobrara County	46.40 years old
Wyoming	35.40 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Niobrara County	45.70 years old
Wyoming	38.10 years old
U.S.	37.90 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	62	2.69%, see rank	6.86%	6.92%
5 to 9 years	92	3.99%, see rank	6.52%	6.59%
10 to 14 years	167	7.24%, see rank	6.38%	6.83%
15 to 19 years	172	7.46%, see rank	7.32%	7.15%
20 to 24 years	136	5.90%, see rank	8.12%	7.02%
25 to 34 years	163	7.07%, see rank	12.86%	13.42%
35 to 44 years	309	13.40%, see rank	12.31%	14.18%
45 to 54 years	498	21.60%, see rank	15.63%	14.48%
55 to 64 years	394	17.09%, see rank	11.84%	10.81%
65 to 74 years	161	6.98%, see rank	6.48%	6.50%
75 to 84	97	4.21%, see rank	4.14%	4.40%
85 years and over	55	2.39%, see rank	1.52%	1.71%

US Census 2000 data

Total population: 2,407

Median Age (see rank)

Niobrara County	42.80 years old
Wyoming	36.20 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Niobrara County	42.20 years old
Wyoming	35.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Niobrara County	43.40 years old
Wyoming	37.10 years old
U.S.	36.50 years old

	Niobrara County	% of the Total Population	Wyoming	U.S.
Under 5 years	115	4.78%, see rank	6.27%	6.81%
5 to 9 years	142	5.90%, see rank	6.91%	7.30%
10 to 14 years	173	7.19%, see rank	7.77%	7.29%
15 to 19 years	172	7.15%, see rank	8.49%	7.18%
20 to 24 years	88	3.66%, see rank	6.78%	6.74%
25 to 34 years	226	9.39%, see rank	12.12%	14.18%
35 to 44 years	399	16.58%, see rank	15.95%	16.04%
45 to 54 years	346	14.37%, see rank	15.00%	13.39%
55 to 64 years	295	12.26%, see rank	9.03%	8.63%
65 to 74 years	247	10.26%, see rank	6.35%	6.54%
75 to 84	143	5.94%, see rank	3.97%	4.39%
85 years and over	61	2.53%, see rank	1.36%	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.