Casper, WY

City in Natrona County, WY, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

58,839

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

37.3

years ∙ half population younger than 37.3, half older

Diversity Index

26.8%

chance two random people differ in race and ethnicity

Nativity

2.1%

foreign-born population

97.9%Native

2.1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Casper is a city within Natrona County, Wyoming, United States.

Location

City in Natrona County, WY, US

Co-ordinates

DEC42.842120° N, 106.321282° W

DMS42° 50′ 31.63″ N, 106° 19′ 16.62″ W

Population Density & area

2,195/sq mi (849/km²)

Total Area

27.1 sq mi (70.2 km²)

Land Area

26.8 sq mi (69.3 km²) · 98.8%

Water Area

0.3 sq mi (0.9 km²) · 1.2%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

49.8% male

Male 49.8%

Female 50.2%

males per 100 females

Casper 99.2

Natrona County 102.3

Wyoming 104.5

Nativity

2.1%

foreign-born population

97.9%Native

2.1% Foreign-born

% Foreign-born

Casper 2.1%

Natrona County 2.3%

Wyoming 3.5%

Age Distribution

How the population is spread across age groups

Median Age

37.3

years ∙ half population younger than 37.3, half older

Casper

37.3

Natrona County

38.4

Wyoming

39.1

Dependency ratio

dependents per 100 working-age adults

Casper 70

Natrona County 68.4

Wyoming 69.7

AGE DISTRIBUTION

Distribution of age group

Median age

	Casper	Natrona County	Wyoming
Age Group
Children (Under 18)	24.2%	23.6%	22.5%
Working age (18-64)	58.8%	59.4%	59%
Senior (65+)	17%	17%	18.5%
Dependency ratio
Total dependency ratio	70	68.4	69.7
Child dependency ratio	41.2	39.7	38.2
Old-age dependency ratio	28.9	28.6	31.4

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

85%

Black

0.6%

Asian

0.5%

Hispanic

9.1%

Other

4.8%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

26.8%

chance two random people differ in race and ethnicity

Casper 26.8%

Natrona County 27.3%

Wyoming 32.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Casper population

	Casper	Natrona County	Wyoming
Hispanic or Latino	9.1%	9.5%	10.7%
Mexican	6.8%	7%	8%
Puerto Rican	0.3%	0.3%	0.3%
Cuban	0.1%	0.2%	0.1%
Other Hispanic / Latino	1.9%	2.1%	2.4%
Not Hispanic or Latino	90.9%	90.5%	89.3%
One race	86.9%	86.4%	85.3%
White	85%	84.6%	81.4%
Black or African American	0.6%	0.5%	0.8%
American Indian and Alaska Native	0.3%	0.3%	1.6%
Asian	0.5%	0.6%	0.8%
Native Hawaiian and Other Pacific Islander	0%	0%	0.1%
Some Other Race	0.3%	0.5%	0.7%
Two or more races (Multiracial)	4%	4.1%	4%

Household & Families Composition

Household size, type, and family structure

Household structure

57.6% family

Family 57.6%

Non family 42.4%

% family households

Casper 57.6%

Natrona County 60.7%

Wyoming 61.8%

Average household size

2.26

persons per household

Casper

2.26

Natrona County

2.32

Wyoming

2.34

Household & Family COMPOSITION

Households

Percentage of Casper population

	Casper	Natrona County	Wyoming
Total households	25,565	33,886	243,318
Average houshold size	2.26	2.32	2.34
Family households	14,722	20,569	150,422
Average family size	2.99	2.99	2.95
Married couple family	10,737	15,429	120,361
Other families	3,985	5,140	30,061
Male householder	1,257	1,635	10,921
Female householder	2,728	3,505	19,140
Non-family households	10,843	13,317	92,896
One-person households	9,209	11,328	76,502
Male householder	4,377	5,724	38,425
Senior (65+) living alone	1,405	1,889	13,020
Female householder	4,832	5,604	38,077
Senior (65+) living alone	2,551	2,774	19,418
Other living arrangements	1,634	1,989	16,394

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

27,746

housing units

Casper 27,746

Natrona County 37,309

Wyoming 277,141

Occupancy status

92.1% occupied

Occupied 92.1%

Vacant 7.9%

vacancy rate

Casper 7.9%

Natrona County 9.2%

Wyoming 12.2%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

73.8%

Single family houses

73.8%

Apartments in multi-unit structures

21.9%

Mobile homes

4.1%

Boat, RV, van, etc

0.1%

Median Year Built

1975

Half of houses were built before 1975, and half after.

Historic ∙ 1939 or earlier

11.9%

Postwar & mid-century ∙ 1940 - 1969

29%

Late 20th century ∙ 1970 - 1999

35%

Modern ∙ 2000 or later

24.1%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Casper	Natrona County	Wyoming
Rooms per unit
Median rooms	5.8	5.8	5.8
1–3 rooms	12.6%	11.4%	11.8%
4–6 rooms	47.7%	50.1%	49.6%
7+ rooms	39.8%	38.5%	38.4%
Bedrooms
No bedroom / studio	2.4%	2.4%	2.1%
1 bedroom	11%	9.4%	8.6%
2 bedrooms	23.7%	22.4%	23.6%
3 bedrooms	33.8%	37%	38.9%
4+ bedrooms	29.1%	28.8%	26.7%
At a glance
Median year built	1975	1978	1981
Total housing units	27,746	37,309	277,141

Occupancy Profile

Who is inside and how they use it

Homeownership

69.8% owners

Renter-occupied 30.2%

Owner-occupied 69.8%

homeownership rate

Casper 69.8%

Natrona County 73.7%

Wyoming 71.8%

Average household size

2.35

Owner-occupied

2.05

Renter-occupied

owner-occupied average size

Casper 2.35

Natrona County 2.41

Wyoming 2.45

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Casper	Natrona County	Wyoming
Total occupied units	25,565	33,886	243,318
Year moved in
2020 or later	29%	26.6%	27.2%
2010 to 2019	37.7%	38.4%	38.6%
2000 to 2009	15.7%	17.1%	16.3%
1999 or earlier	17.5%	17.9%	17.9%
Occupants per room
1.00 or fewer	97.9%	97.9%	98.1%
1.01 to 1.50	1.4%	1.4%	1.2%
1.51 or more	0.7%	0.7%	0.6%
Vehicles availability
No vehicles	5.2%	4.5%	4.1%
1 vehicle	33.6%	31.3%	27.6%
2 vehicles	34.6%	33.6%	34.7%
3 or more vehicles	26.6%	30.6%	33.6%
House heating fuel used
Gas	75.8%	74.7%	70%
Electricity	22%	20.9%	23.8%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0%	0.1%	0.1%
All other fuels	1.7%	3.8%	5.6%
No fuel used	0.5%	0.4%	0.4%
Selected characteristics
Lacking complete plumbing	0.2%	0.3%	0.5%
Lacking complete kitchen	0.9%	0.7%	0.9%
No telephone service available	1%	1.1%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$260,400

owner-occupied units

Median value(USD)

Casper

$260,400

Natrona County

$273,000

Wyoming

$309,700

Housing Cost Burden

25.7%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

25.7%

Owners without a mortgage

7.5%

Renters

45.1%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Casper	Natrona County	Wyoming
Property value
Median Value	$260,400	$273,000	$309,700
Under $100,000	6.2%	9%	11.2%
$100,000 - $200,000	20.2%	18%	13.1%
$200,000 - $300,000	34.2%	29.8%	23.7%
$300,000 - $500,000	28%	30.1%	32%
$500,000 - $1,000,000	10.4%	11.2%	14.8%
$1,000,000 and more	0.9%	1.9%	5.1%
Owner-occupied households
With a mortgage	62.1%	60.5%	55.8%
Without a mortgage	37.9%	39.5%	44.2%
Median monthly owner costs
With a mortgage	$1,588	$1,653	$1,754
Without a mortgage	$495	$497	$545
Gross rent
Median rent	$1,009	$1,016	$992

Education Profile

How educated is the community and how education pays off

Adults with a college degree

30.5%

of adults 25+ with a bachelor's degree or higher

Casper 30.5%

Natrona County 27.7%

Wyoming 30.6%

Adults without a high school diploma

5.9%

of adults (25+) without a high school diploma

Casper 5.9%

Natrona County 6.5%

Wyoming 5.8%

School Enrollment

Who is enrolled in school and at what level

School enrollment

14,951

population (age 3+) enrolled in school

Nursery / Preschool

7.3%

K–12

67.9%

College / Undergraduate

19.6%

Graduate / Professional

5.3%

College-going rate (18-24 yr olds)

38.4%

of 18-24-year-olds in college or graduate school

Casper

38.4%

Natrona County

34.3%

Wyoming

36.6%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Casper	Natrona County	Wyoming
Total enrolled (age 3+)	14,951	19,713	141,871
Nursery / preschool	7.3%	7.1%	6.2%
K–12	67.9%	70.9%	68.9%
Kindergarten	4.8%	4.8%	4.7%
Elementary: Grades 1–4	19.8%	21.1%	20.1%
Elementary: Grades 5–8	21.8%	22.9%	22.1%
High School: Grades 9–12	21.5%	22%	22%
College or graduate school	24.8%	22.1%	24.9%
College, undergraduate	19.6%	17.6%	20%
Graduate, professional school	5.3%	4.5%	4.9%
College-going rate · 18-24 yr olds	38.4%	34.3%	36.6%
School type
Public school	89.6%	88.2%	88.2%
Private school	10.4%	11.8%	11.8%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

39,785

population 25 years and over

Total adults (25+)

Less than 9th grade

2.2%

9th-12th, no diploma

3.7%

HS graduate

26.9%

Some college no degree

25%

Associates degree

11.7%

Bachelors degree

18.8%

Graduate or professional degree

11.7%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

67.9% · 32.1%

9th-12th, no diploma

53.7% · 46.3%

HS graduate

54.5% · 45.5%

Some college no degree

46.9% · 53.1%

Associates degree

43.5% · 56.5%

Bachelors degree

45.1% · 54.9%

Graduate or professional degree

47.9% · 52.1%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Casper	Natrona County	Wyoming
Population (25+)	39,785	54,860	398,785
Less than 9th grade	2.2%	2.3%	1.9%
9th–12th, no diploma	3.7%	4.2%	3.9%
High school diploma or GED	26.9%	28.1%	27.5%
Some college, no degree	25%	25.3%	24.5%
Associate's degree	11.7%	12.4%	11.6%
Bachelor's degree or higher	30.5%	27.7%	30.6%
Bachelor's degree	18.8%	17.2%	19.1%
Graduate or professional	11.7%	10.5%	11.5%
High School or higher	94.1%	93.5%	94.2%

Earnings by education level

percentage as applicable

Median Earnings

$49,172

Median earnings for adults 25+, by level

Less than HS graduate

$38,730

HS graduate

$41,822

Some college or associates

$43,708

Bachelors degree

$54,179

Graduate or professional degree

$81,721

Poverty Rate

4.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

22.5%

HS graduate

10.6%

Some college or associates

9.8%

Bachelors degree or higher

4.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Casper	Natrona County	Wyoming
Median earnings
Population 25+, with earnings	$49,172	$48,797	$50,636
Less than high school graduate	$38,730	$39,498	$38,055
High school graduate (includes equivalency)	$41,822	$43,890	$42,107
Some college or associate's degree	$43,708	$44,149	$45,574
Bachelor's degree	$54,179	$53,925	$59,382
Graduate or professional degree	$81,721	$79,110	$74,861
Poverty rates
Less than high school graduate	22.5%	18.9%	19.1%
High school graduate (includes equivalency)	10.6%	9.4%	11.3%
Some college or associate's degree	9.8%	8.3%	8.4%
Bachelor's degree or higher	4.1%	4.2%	4.8%

Insights for Casper, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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