Share of the population by age and sex, five-year groups

Population of Wyoming, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2023  +1 +5

584,666 people lived in Wyoming on July 1, 2023: the 51st-largest population among the 50 states and the District of Columbia. The median age was 39.7 years (United States: 39.1); more residents are 65 or older (19.6%) than under 15 (18.2%): an ageing, top-heavy pyramid. There were 102.7 men for every 100 women. Since 2010 the population has grown by 3.6%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2023
Population
584,666
Rank by population
51st of 51
Median age
39.7
Men per 100 women
102.7
Under 15
18.2%
15–64
62.2%
65 and over
19.6%
Child dependency
29.3
Old-age dependency
31.5
Change since 2010
+3.6%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2023
AgeMenWomenTotalShare
0-416,00315,26731,2705.3%
5-918,61517,50336,1186.2%
10-1420,04318,97039,0136.7%
15-1921,25519,54540,8007.0%
20-2420,25518,24338,4986.6%
25-2917,23316,22133,4545.7%
30-3419,03218,03437,0666.3%
35-3919,76018,78838,5486.6%
40-4419,69318,81538,5086.6%
45-4916,96316,04533,0085.6%
50-5416,47415,93232,4065.5%
55-5915,97116,33232,3035.5%
60-6419,27919,76939,0486.7%
65-6919,53419,76339,2976.7%
70-7415,73015,64531,3755.4%
75-7910,28310,69320,9763.6%
80-845,8906,63512,5252.1%
85+4,1616,29210,4531.8%
How Wyoming compares with similar-sized states, 2023
RankStateResidentsRelative
45 Delaware 1,035,354
46 South Dakota 917,739
47 North Dakota 787,071
48 Alaska 734,654
49 District of Columbia 682,559
50 Vermont 647,722
51 Wyoming 584,666
Frequently asked questions about Wyoming's population
What is the population of Wyoming?
Wyoming had an estimated 584,666 residents on July 1, 2023, according to the U.S. Census Bureau, Population Estimates Program. That ranks 51st among the 51 states and the District of Columbia.
What is the median age in Wyoming?
The median age in Wyoming was 39.7 years in 2023, the 20th oldest of the 51 states and DC. That is 0.6 years older than the national median of 39.1.
How many people in Wyoming are 65 or older?
About 114,626 residents of Wyoming (19.6%) were 65 or older in 2023, against 18.2% under 15 and 62.2% aged 15 to 64.
What does the population pyramid of Wyoming show?
In 2023, Wyoming: more residents are 65 or older (19.6%) than under 15 (18.2%): an ageing, top-heavy pyramid. There were 102.7 men for every 100 women.
How fast is the population of Wyoming changing?
The population of Wyoming grew by 3.6% between 2010 and 2023, and by 0.5% in the last year.
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