United States › Wyoming › Rock River CITY
Rock River Wyoming · 217 residents (2025 est.) · 2.33 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 219 people, Rock River is a city in Wyoming. The poverty rate is 26.0%, above the 12.5% national rate. The typical home is worth $127,000, having more than doubled since 2000. This skews young, with a median age of 33.7. That trails the Wyoming median by roughly 35%. The foreign-born share is 4%.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 33.7
US median: 38.9
Average education
38% hold a bachelor's degree
US average: 36%
Less affordable
home values up 39%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 235 in 2000
217 in 2025 (Census Bureau estimate)
from 88 / sq mi in 2009
US average: 281
from 41.1 in 2000
US average: 38.9
Population, 1990 – 2024
112 160 208 255 303 1990 2000 2010 2020 2024 Rock River Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $49,500
+12%inflation adjusted, since 2000
from $24,306 in 2000
US average: $82,259
from $11,602 in 2000
US average: $44,673
Households earning $100K+
from 25.0% in 2009
US average: 53.3%
from 24.2% in 2000
US average: 12.5%
from 0.428 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 11.5%
Agriculture, forestry, fishing 3.5%
Transportation & warehousing 1.8%
Education & health services 0%
Arts, entertainment, food 0%
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$127,000
+39%inflation adjusted, since 2000
from $50,300 in 2000
US average: $376,019
$2,059
+169%inflation adjusted, since 2000
from $420 in 2000
US average: $1,442
from 76.6% in 2000
41.1% rent
from 40.9% in 2009
US average: 10.0%
2.43 people
−38%since 2009
from 3.94 people in 2009
US average: 2.54
from 20.5% in 2009
US average: 22.9%
from 0.0% in 2009
US average: 47.4%
from 1.6 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.6%(213)
Hispanic / Latino 5.5%(13)
2024
White, non-Hispanic 86.8%(190)
from 47 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry from 17.5% in 2000
US average: 35.6%
High school or higher
100.0%
+14.4 ptssince 2000
from 85.6% in 2000
US average: 89.6%
from 2.5% in 2000
US average: 14.0%
Section 06
Commute & transportation from 19.1 min in 2000
US average: 26.5
from 50.0% in 2009
US average: 68.9%
from 8.3% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 0.0% in 2009
US average: 15.0%
from 22.6% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 7.7% in 2009
US average: 8.3%
Section 07
Work & employment from 0.0% in 2011
US average: 5.2%
from 60.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 78.0% in 2020
US average: 74.6%
from 3.2% in 2009
US average: 13.1%
from 22.1% in 2009
US average: 42.5%
Section 08
People & community from 2.9% in 2009
US average: 14.1%
from 11.6% in 2009
US average: 6.2%
from 7.6% in 2012
US average: 13.3%
from 8.0% in 2013
US average: 8.4%
from 71.4% in 2017
US average: 91.0%
Computer in household
from 87.8% in 2020
US average: 95.5%
from 77.9% in 2020
US average: 87.7%
from 97.4% in 2016
US average: 77.7%
from 2.6% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 8.0% in 2013
US average: 8.4%
from 68.2% in 2020
US average: 54.8%
Direct-purchase
from 14.0% in 2020
US average: 13.8%
from 17.8% in 2020
US average: 18.4%
from 8.1% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 81.0% in 2020
US average: 67.1%
Any public
from 26.4% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 0%(0)
Share of the 8 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Frequently asked
How many people live in Rock River, Wyoming? Rock River, Wyoming has about 219 residents according to the 2024 American Community Survey.
What is the median household income in Rock River, Wyoming? The typical household in Rock River, Wyoming earns about $49,500 a year. Half of households make more than that, and half make less.
Is Rock River, Wyoming expensive? In Rock River, Wyoming, the median home is worth about $127,000, and the typical rent is about $2,059 a month.
How educated are people in Rock River, Wyoming? About 38.0% of adults age 25 and over in Rock River, Wyoming hold a bachelor's degree or higher.
What is the poverty rate in Rock River, Wyoming? About 26.0% of people in Rock River, Wyoming live below the federal poverty line.
Has Rock River, Wyoming grown since 1990? Yes, Rock River, Wyoming has grown since 1990. The population has added about 33 residents, a change of about 18 percent over that period.
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