North Platte River near Casper at sunset
County in Wyoming

Natrona County

Natrona County has the 2nd largest economy in Wyoming ($6.9 billion GDP) and the 5th youngest population (median age 38.4).

Natrona County is home to 80,410 people (2024 estimate) on 5,341 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.

Key indicators

Population
80,410
July 1, 2024 estimate
2020 Census base
79,964
April 1, 2020
Change since 2020
+0.6%
2020–2024
Land area
5,341 mi²
13,832 km²
Population density
15.1 /mi²
2024 estimate ÷ land area
Births
844
Year to July 1, 2024
Deaths
779
Year to July 1, 2024
Natural change
+65
Births minus deaths, 2024
Net migration
+379
Domestic + international, 2024
Per capita personal income
$79,903
BEA, 2024
Gross domestic product
$6.9 billion
BEA, current dollars, 2024
Median household income
$72,156
ACS 2020–2024 5-year
Poverty rate
9.6%
ACS 2020–2024 5-year
Bachelor’s degree or higher
27.7%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
2.3%
ACS 2020–2024 5-year
Median home value
$273,000
ACS 2020–2024 5-year
Unemployment rate
3.1%
BLS annual average, 2024

Historical data

Pick an indicator to see its long-run evolution.

Population

2000–2024
80,410▲ 21%

U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.

Data summary

IndicatorValueYear and source
Population estimate80,4102024 · U.S. Census Bureau
Population, 2010 Census75,4502010 · U.S. Census Bureau
Population, 200066,603July 1, 2000 · Census intercensal
Change since 2000+20.7%2000–2024 · Census
International migration+152024 · Census Vintage 2024
Domestic migration+3642024 · Census Vintage 2024
Birth rate10.5 per 1,0002024 · calculated
Death rate9.7 per 1,0002024 · calculated
Population rank in Wyoming2nd of 232024 · calculated
Per capita personal income$79,903BEA, 2024 · official
Gross domestic product$6.9 billionBEA, current dollars, 2024 · official
Median household income$72,156ACS 2020–2024 5-year · official
Poverty rate9.6%ACS 2020–2024 5-year · official
Bachelor’s degree or higher27.7%Age 25+, ACS 2020–2024 5-year · official
Foreign-born residents2.3%ACS 2020–2024 5-year · official
Median home value$273,000ACS 2020–2024 5-year · official
Median gross rent$1,016/monthACS 2020–2024 5-year · official
Median age38.4 yearsACS 2020–2024 5-year · official
Households33,886ACS 2020–2024 5-year · official
Owner-occupied homes73.7%ACS 2020–2024 5-year · official

Natrona County in context

Comparable indicators for Natrona County, Wyoming and the United States.

IndicatorCountyWyomingU.S.Reference
Population change 2020–2024+0.6%+1.9%+2.6%Census Vintage 2024
Birth rate (per 1,000)10.510.310.62024
Death rate (per 1,000)9.79.69.12024
Net migration rate (per 1,000)4.73.78.22024
Population density (/mi²)15.16.196.32024
Per capita personal income$79,903$86,477$73,204BEA, 2024
Median household income$72,156$76,176$80,734ACS 2020–2024 5-year
Poverty rate9.6%10.5%12.5%ACS 2020–2024 5-year
Bachelor’s degree or higher27.7%30.6%35.7%Age 25+, ACS 2020–2024 5-year
Foreign-born residents2.3%3.5%14.1%ACS 2020–2024 5-year
Median home value$273,000$309,700$332,700ACS 2020–2024 5-year
Median gross rent$1,016/month$992/month$1,413/monthACS 2020–2024 5-year
Median age38.4 years39.1 years38.9 yearsACS 2020–2024 5-year
Owner-occupied homes73.7%71.8%65.2%ACS 2020–2024 5-year

Cities & towns

2 cities · choose how to order them

Casper
58,823 residents
Mills
4,200 residents

Did you know? Natrona County

2nd most populous of 23

With 80,410 residents in 2024, Natrona County ranks 2nd by population among Wyoming's 23 counties and is home to 13.7% of the state's residents.

A quarter century of change

Its population went from 66,603 in 2000 to 80,410 in 2024, a change of +20.7%, compared with +18.9% for Wyoming as a whole.

Births and deaths

In the year to July 2024 the county recorded 844 births and 779 deaths, so births outnumbered deaths by 65.

Peak population in 2015

Annual Census estimates since 2000 put the county's highest population at 82,218 in 2015. The 2024 figure is 1,808 lower.

2nd in density

Natrona County has about 15.1 residents per square mile of land, ranking 2nd of 23 counties; Wyoming averages 6.1.

Household income rank

With a median household income of $72,156 (ACS 2020–2024 5-year), the county ranks 12th of 23 Wyoming counties; the state median is $76,176.

Size of the economy

Its economy produced $6.9 billion of GDP in 2024 (BEA), 2nd largest among 23 Wyoming counties.

Latest economic growth

Real GDP grew 1.5% in 2024, adjusted for inflation (BEA, chained 2017 dollars).

Sources and methodology