Gary, SD

City in Deuel County, SD, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

246

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

Median Age

years ∙ half population younger than 61, half older

Diversity Index

18.1%

chance two random people differ in race and ethnicity

Nativity

0.8%

foreign-born population

99.2%Native

0.8% Foreign-born

Geographic Context

Location, size, and surroundings

About

Gary is a city within Deuel County, South Dakota, United States.

Location

City in Deuel County, SD, US

Co-ordinates

DEC44.794175° N, 96.457096° W

DMS44° 47′ 39.03″ N, 96° 27′ 25.55″ W

Population Density & area

366.1/sq mi (141.3/km²)

Total Area

0.672 sq mi (1.741 km²)

Land Area

0.672 sq mi (1.741 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

48.8% male

Male 48.8%

Female 51.2%

males per 100 females

Gary 95.2

Deuel County 106.7

South Dakota 103.1

Nativity

0.8%

foreign-born population

99.2%Native

0.8% Foreign-born

% Foreign-born

Gary 0.8%

Deuel County 1.5%

South Dakota 4%

Age Distribution

How the population is spread across age groups

Median Age

years ∙ half population younger than 61, half older

Gary

Deuel County

41.8

South Dakota

Dependency ratio

100

dependents per 100 working-age adults

Gary 100

Deuel County 86.2

South Dakota 73

AGE DISTRIBUTION

Distribution of age group

Median age

	Gary	Deuel County	South Dakota
Age Group
Children (Under 18)	11.4%	24.2%	24.2%
Working age (18-64)	50%	53.7%	57.8%
Senior (65+)	38.6%	22.1%	18%
Dependency ratio
Total dependency ratio	100	86.2	73
Child dependency ratio	22.8	45.1	41.9
Old-age dependency ratio	77.2	41.1	31.1

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

90.2%

Black

Asian

Hispanic

3.7%

Other

6.1%

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

18.1%

chance two random people differ in race and ethnicity

Gary 18.1%

Deuel County 11.7%

South Dakota 35.3%

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 Gary population

Racial and ethnic composition — Gary vs Deuel County vs South Dakota. Source: ACS 2020-2024 5-Year Estimates.
	Gary	Deuel County	South Dakota
Hispanic or Latino	3.7%	3.1%	4.8%
Mexican	3.7%	3%	2.6%
Puerto Rican	0%	0%	0.4%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	0%	0.1%	1.7%
Not Hispanic or Latino	96.3%	96.9%	95.2%
One race	90.2%	94.5%	90.8%
White	90.2%	93.9%	79.8%
Black or African American	0%	0.5%	2.1%
American Indian and Alaska Native	0%	0%	7.1%
Asian	0%	0.1%	1.4%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0%	0.3%
Two or more races (Multiracial)	6.1%	2.4%	4.4%

Household & Families Composition

Household size, type, and family structure

Household structure

40.9% family

Family 40.9%

Non family 59.1%

% family households

Gary 40.9%

Deuel County 65.6%

South Dakota 61.3%

Average household size

1.8

persons per household

Gary

1.8

Deuel County

2.45

South Dakota

2.39

Household & Family COMPOSITION

Households

Percentage of Gary population

	Gary	Deuel County	South Dakota
Total households	137	1,754	365,544
Average houshold size	1.8	2.45	2.39
Family households	56	1,151	224,058
Average family size	2.77	3.05	3.05
Married couple family	53	998	176,597
Other families	3	153	47,461
Male householder	0	86	17,711
Female householder	3	67	29,750
Non-family households	81	603	141,486
One-person households	67	530	116,755
Male householder	35	285	57,880
Senior (65+) living alone	19	112	17,403
Female householder	32	245	58,875
Senior (65+) living alone	21	167	29,381
Other living arrangements	14	73	24,731

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

157

housing units

Gary 157

Deuel County 2,155

South Dakota 408,584

Occupancy status

87.3% occupied

Occupied 87.3%

Vacant 12.7%

vacancy rate

Gary 12.7%

Deuel County 18.6%

South Dakota 10.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

80.9%

Single family houses

80.9%

Apartments in multi-unit structures

17.8%

Mobile homes

1.3%

Boat, RV, van, etc

Median Year Built

1938

Half of houses were built before 1938, and half after.

* The Census Bureau did not report an exact median year built for Gary the estimate falls at or before 1939, the lower limit of the survey's reporting range.

Historic ∙ 1939 or earlier

45.9%

Postwar & mid-century ∙ 1940 - 1969

17.8%

Late 20th century ∙ 1970 - 1999

26.7%

Modern ∙ 2000 or later

9.5%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Gary	Deuel County	South Dakota
Rooms per unit
Median rooms	5.4	5.9	5.9
1–3 rooms	5.7%	11.1%	13.6%
4–6 rooms	67.5%	49.9%	44.6%
7+ rooms	26.8%	39%	41.8%
Bedrooms
No bedroom / studio	0%	1.8%	1.9%
1 bedroom	12.1%	13.9%	10.1%
2 bedrooms	44.6%	22.7%	26.4%
3 bedrooms	22.9%	32.9%	32%
4+ bedrooms	20.4%	28.7%	29.6%
At a glance
Median year built	1938	1972	1982
Total housing units	157	2,155	408,584

Occupancy Profile

Who is inside and how they use it

Homeownership

78.8% owners

Renter-occupied 21.2%

Owner-occupied 78.8%

homeownership rate

Gary 78.8%

Deuel County 82.8%

South Dakota 68.6%

Average household size

1.91

Owner-occupied

1.38

Renter-occupied

owner-occupied average size

Gary 1.91

Deuel County 2.5

South Dakota 2.54

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Gary	Deuel County	South Dakota
Total occupied units	137	1,754	365,544
Year moved in
2020 or later	21.9%	17.8%	25.4%
2010 to 2019	37.2%	34.1%	39.7%
2000 to 2009	11.7%	19.1%	16.2%
1999 or earlier	29.2%	29.1%	18.7%
Occupants per room
1.00 or fewer	100%	97%	97.7%
1.01 to 1.50	0%	1.9%	1.6%
1.51 or more	0%	1%	0.7%
Vehicles availability
No vehicles	2.9%	2.3%	5.2%
1 vehicle	35%	22.6%	28.4%
2 vehicles	37.2%	33.1%	36.3%
3 or more vehicles	24.8%	42%	30.1%
House heating fuel used
Gas	65%	62.3%	63.1%
Electricity	32.8%	33.6%	32.4%
Solar	0%	0%	0%
Fuel oil, kerosene etc	0.7%	0.6%	1.3%
All other fuels	1.4%	3.2%	2.4%
No fuel used	0%	0.3%	0.8%
Selected characteristics
Lacking complete plumbing	0.7%	0.1%	0.5%
Lacking complete kitchen	0.7%	0.3%	0.9%
No telephone service available	0%	0.5%	1.1%

Housing Value

What owner-occupied units are worth

Median home value

$101,700

owner-occupied units

Median value(USD)

Gary

$101,700

Deuel County

$205,900

South Dakota

$257,400

Housing Cost Burden

41.4%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

41.4%

Owners without a mortgage

7.6%

Renters

12%

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

	Gary	Deuel County	South Dakota
Property value
Median Value	$101,700	$205,900	$257,400
Under $100,000	48.1%	19.5%	16.1%
$100,000 - $200,000	40.7%	28.8%	19.5%
$200,000 - $300,000	6.5%	24.4%	24.4%
$300,000 - $500,000	4.6%	14.5%	26%
$500,000 - $1,000,000	0%	12.2%	12.1%
$1,000,000 and more	0%	0.6%	1.8%
Owner-occupied households
With a mortgage	26.9%	47%	54.5%
Without a mortgage	73.1%	53%	45.5%
Median monthly owner costs
With a mortgage	$950	$1,412	$1,680
Without a mortgage	$434	$570	$617
Gross rent
Median rent	$461	$642	$946

Education Profile

How educated is the community and how education pays off

Adults with a college degree

11.2%

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

Gary 11.2%

Deuel County 25.1%

South Dakota 31.9%

Adults without a high school diploma

10.7%

of adults (25+) without a high school diploma

Gary 10.7%

Deuel County 6.7%

South Dakota 6.8%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

8.3%

K–12

83.3%

College / Undergraduate

8.3%

Graduate / Professional

College-going rate (18-24 yr olds)

4.8%

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

Gary

4.8%

Deuel County

47.3%

South Dakota

35.1%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Gary	Deuel County	South Dakota
Total enrolled (age 3+)	24	1,015	216,085
Nursery / preschool	8.3%	2.5%	6.1%
K–12	83.3%	78.9%	73%
Kindergarten	4.2%	5.6%	5.6%
Elementary: Grades 1–4	12.5%	23.1%	22.3%
Elementary: Grades 5–8	25%	23.3%	22.8%
High School: Grades 9–12	41.7%	27%	22.3%
College or graduate school	8.3%	18.6%	20.9%
College, undergraduate	8.3%	17.5%	17.1%
Graduate, professional school	0%	1.1%	3.8%
College-going rate · 18-24 yr olds	4.8%	47.3%	35.1%
School type
Public school	83.3%	88.8%	86.9%
Private school	16.7%	11.2%	13.1%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

197

population 25 years and over

Total adults (25+)

Less than 9th grade

5.6%

9th-12th, no diploma

5.1%

HS graduate

47.7%

Some college no degree

20.3%

Associates degree

10.2%

Bachelors degree

6.6%

Graduate or professional degree

4.6%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

27.3% · 72.7%

9th-12th, no diploma

50% · 50%

HS graduate

48.9% · 51.1%

Some college no degree

62.5% · 37.5%

Associates degree

40% · 60%

Bachelors degree

7.7% · 92.3%

Graduate or professional degree

66.7% · 33.3%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Gary	Deuel County	South Dakota
Population (25+)	197	2,942	603,746
Less than 9th grade	5.6%	4%	2.6%
9th–12th, no diploma	5.1%	2.7%	4.2%
High school diploma or GED	47.7%	39.6%	29%
Some college, no degree	20.3%	16.3%	19.9%
Associate's degree	10.2%	12.3%	12.3%
Bachelor's degree or higher	11.2%	25.1%	31.9%
Bachelor's degree	6.6%	19.5%	21.9%
Graduate or professional	4.6%	5.5%	10%
High School or higher	89.3%	93.3%	93.2%

Earnings by education level

percentage as applicable

Median Earnings

$32,500

Median earnings for adults 25+, by level

Less than HS graduate

$56,250

HS graduate

$31,250

Some college or associates

$48,438

Bachelors degree

$10,972

Graduate or professional degree

$44,375

Poverty Rate

18.2%

for ages 25+, with bachelors degree or higher

Less than HS graduate

HS graduate

8.5%

Some college or associates

3.3%

Bachelors degree or higher

18.2%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Gary	Deuel County	South Dakota
Median earnings
Population 25+, with earnings	$32,500	$47,780	$49,402
Less than high school graduate	$56,250	$—	$33,790
High school graduate (includes equivalency)	$31,250	$34,844	$40,544
Some college or associate's degree	$48,438	$47,357	$47,061
Bachelor's degree	$10,972	$62,379	$58,363
Graduate or professional degree	$44,375	$72,734	$72,377
Poverty rates
Less than high school graduate	0%	22.8%	28%
High school graduate (includes equivalency)	8.5%	10.5%	13.2%
Some college or associate's degree	3.3%	4.6%	8.5%
Bachelor's degree or higher	18.2%	5%	4.2%

Insights for Gary, 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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