Median Age in Niobrara County, WY
ACS 2024 5-Year Estimates
54.9 years
Rank #67/3,222 · #1 in WY
98th
Niobrara 54.9 years
WY 39.1 years +40.4%
US 38.9 years +41.1%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Niobrara County's median age of 54.9 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Niobrara County for median age.
Nearby Rankings
Full ranking →| #64 | Pacific County, WA | 55.0 years |
| #65 | Trinity County, CA | 54.9 years |
| #66 | Polk County, NC | 54.9 years |
| #67 | Niobrara County, WY | 54.9 years |
| #68 | Kenedy County, TX | 54.8 years |
| #69 | Sierra County, CA | 54.7 years |
| #70 | Stone County, MO | 54.6 years |
About Median Age
Niobrara County, Wyoming has a median age of 54.9 years, ranking #67 of 3,222 counties nationwide — 41.1% above the national value of 38.9 years. Within Wyoming, it ranks #1 of 23. This places it in the 98th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.