Trafalgar, IN

Town in Johnson County, IN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

1,469

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

Median Age

39.1

years ∙ half population younger than 39.1, half older

Diversity Index

6.6%

chance two random people differ in race and ethnicity

Nativity

1.2%

foreign-born population

98.8%Native

1.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Trafalgar is a town within Johnson County, Indiana, United States.

Location

Town in Johnson County, IN, US

Co-ordinates

DEC39.412422° N, 86.149917° W

DMS39° 24′ 44.72″ N, 86° 08′ 59.70″ W

Population Density & area

573.8/sq mi (221.6/km²)

Total Area

2.56 sq mi (6.63 km²)

Land Area

2.56 sq mi (6.63 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

54.7% male

Male 54.7%

Female 45.3%

males per 100 females

Trafalgar 120.9

Johnson County 98.5

Indiana 98.4

Nativity

1.2%

foreign-born population

98.8%Native

1.2% Foreign-born

% Foreign-born

Trafalgar 1.2%

Johnson County 5.7%

Indiana 6.3%

Age Distribution

How the population is spread across age groups

Median Age

39.1

years ∙ half population younger than 39.1, half older

Trafalgar

39.1

Johnson County

Indiana

38.1

Dependency ratio

61.3

dependents per 100 working-age adults

Trafalgar 61.3

Johnson County 66.7

Indiana 66.7

AGE DISTRIBUTION

Distribution of age group

Median age

	Trafalgar	Johnson County	Indiana
Age Group
Children (Under 18)	24.2%	24.3%	23.3%
Working age (18-64)	62%	60%	59.9%
Senior (65+)	13.8%	15.7%	16.8%
Dependency ratio
Total dependency ratio	61.3	66.7	66.7
Child dependency ratio	39	40.5	38.8
Old-age dependency ratio	22.3	26.2	27.9

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

96.6%

Black

0.1%

Asian

0.2%

Hispanic

1.7%

Other

1.4%

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

6.6%

chance two random people differ in race and ethnicity

Trafalgar 6.6%

Johnson County 29%

Indiana 41.4%

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 Trafalgar population

	Trafalgar	Johnson County	Indiana
Hispanic or Latino	1.7%	4.3%	8.6%
Mexican	1.3%	2.6%	5.7%
Puerto Rican	0%	0.6%	0.8%
Cuban	0%	0.2%	0.1%
Other Hispanic / Latino	0.4%	0.9%	2%
Not Hispanic or Latino	98.3%	95.7%	91.4%
One race	96.9%	92.6%	87.6%
White	96.6%	83.9%	75.4%
Black or African American	0.1%	3.2%	9.1%
American Indian and Alaska Native	0%	0%	0.1%
Asian	0.2%	5.1%	2.6%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.3%	0.4%
Two or more races (Multiracial)	1.4%	3.1%	3.8%

Household & Families Composition

Household size, type, and family structure

Household structure

76.7% family

Family 76.7%

Non family 23.3%

% family households

Trafalgar 76.7%

Johnson County 69.7%

Indiana 63.7%

Average household size

2.59

persons per household

Trafalgar

2.59

Johnson County

2.61

Indiana

2.46

Household & Family COMPOSITION

Households

Percentage of Trafalgar population

	Trafalgar	Johnson County	Indiana
Total households	566	62,554	2,716,009
Average houshold size	2.59	2.61	2.46
Family households	434	43,573	1,729,978
Average family size	2.91	3.13	3.07
Married couple family	331	34,481	1,284,219
Other families	103	9,092	445,759
Male householder	43	2,991	137,811
Female householder	60	6,101	307,948
Non-family households	132	18,981	986,031
One-person households	96	15,283	803,751
Male householder	63	6,809	374,646
Senior (65+) living alone	23	2,126	109,929
Female householder	33	8,474	429,105
Senior (65+) living alone	19	4,236	217,057
Other living arrangements	36	3,698	182,280

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

590

housing units

Trafalgar 590

Johnson County 65,915

Indiana 2,976,568

Occupancy status

95.9% occupied

Occupied 95.9%

Vacant 4.1%

vacancy rate

Trafalgar 4.1%

Johnson County 5.1%

Indiana 8.8%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

84.2%

Single family houses

84.2%

Apartments in multi-unit structures

14.3%

Mobile homes

1.5%

Boat, RV, van, etc

Median Year Built

1999

Half of houses were built before 1999, and half after.

Historic ∙ 1939 or earlier

15.3%

Postwar & mid-century ∙ 1940 - 1969

13.6%

Late 20th century ∙ 1970 - 1999

22.3%

Modern ∙ 2000 or later

49%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Trafalgar	Johnson County	Indiana
Rooms per unit
Median rooms	6	6.2	5.9
1–3 rooms	7.2%	7.9%	10.5%
4–6 rooms	55.4%	47.5%	51.4%
7+ rooms	37.5%	44.5%	38.2%
Bedrooms
No bedroom / studio	1.2%	1.1%	1.7%
1 bedroom	7.3%	7.1%	9.2%
2 bedrooms	12.5%	18.8%	24.7%
3 bedrooms	56.4%	46%	43.3%
4+ bedrooms	22.6%	27.2%	21.1%
At a glance
Median year built	1999	1993	1977
Total housing units	590	65,915	2,976,568

Occupancy Profile

Who is inside and how they use it

Homeownership

77.6% owners

Renter-occupied 22.4%

Owner-occupied 77.6%

homeownership rate

Trafalgar 77.6%

Johnson County 72.7%

Indiana 70.6%

Average household size

2.74

Owner-occupied

2.08

Renter-occupied

owner-occupied average size

Trafalgar 2.74

Johnson County 2.73

Indiana 2.58

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Trafalgar	Johnson County	Indiana
Total occupied units	566	62,554	2,716,009
Year moved in
2020 or later	23.5%	25.9%	23.9%
2010 to 2019	47.9%	41.5%	39.6%
2000 to 2009	18.2%	16.1%	16.3%
1999 or earlier	10.5%	16.4%	20.2%
Occupants per room
1.00 or fewer	97.3%	98.4%	98.2%
1.01 to 1.50	1.4%	1.2%	1.3%
1.51 or more	1.2%	0.4%	0.6%
Vehicles availability
No vehicles	9.7%	3.3%	6.2%
1 vehicle	22.1%	26.6%	32%
2 vehicles	42.6%	42.9%	38.2%
3 or more vehicles	25.6%	27.1%	23.6%
House heating fuel used
Gas	75.4%	67.4%	65.8%
Electricity	22.4%	31.6%	31.2%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0%	0%	0.5%
All other fuels	0%	0.8%	2%
No fuel used	2.1%	0.2%	0.5%
Selected characteristics
Lacking complete plumbing	2.1%	0.1%	0.4%
Lacking complete kitchen	2.1%	0.5%	0.8%
No telephone service available	2.3%	0.5%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$233,600

owner-occupied units

Median value(USD)

Trafalgar

$233,600

Johnson County

$284,600

Indiana

$218,200

Housing Cost Burden

11.6%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

11.6%

Owners without a mortgage

5.6%

Renters

69.8%

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

	Trafalgar	Johnson County	Indiana
Property value
Median Value	$233,600	$284,600	$218,200
Under $100,000	2%	5.8%	16.1%
$100,000 - $200,000	31.8%	18.9%	28.5%
$200,000 - $300,000	48.1%	30%	25.1%
$300,000 - $500,000	18%	33%	21.8%
$500,000 - $1,000,000	0%	10.5%	7.3%
$1,000,000 and more	0%	1.9%	1.2%
Owner-occupied households
With a mortgage	71.8%	70.1%	63.6%
Without a mortgage	28.2%	29.9%	36.4%
Median monthly owner costs
With a mortgage	$1,477	$1,583	$1,404
Without a mortgage	$491	$564	$517
Gross rent
Median rent	$1,024	$1,271	$1,062

Education Profile

How educated is the community and how education pays off

Adults with a college degree

21.3%

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

Trafalgar 21.3%

Johnson County 34.7%

Indiana 29.5%

Adults without a high school diploma

7.9%

of adults (25+) without a high school diploma

Trafalgar 7.9%

Johnson County 7.7%

Indiana 9.6%

School Enrollment

Who is enrolled in school and at what level

School enrollment

343

population (age 3+) enrolled in school

Nursery / Preschool

K–12

82.8%

College / Undergraduate

13.7%

Graduate / Professional

1.5%

College-going rate (18-24 yr olds)

12.8%

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

Trafalgar

12.8%

Johnson County

38.8%

Indiana

37.8%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Trafalgar	Johnson County	Indiana
Total enrolled (age 3+)	343	40,120	1,654,330
Nursery / preschool	2%	5.5%	5.8%
K–12	82.8%	72.8%	70.1%
Kindergarten	7%	3.9%	5.2%
Elementary: Grades 1–4	24.5%	20.2%	20.9%
Elementary: Grades 5–8	26.8%	25.3%	21.8%
High School: Grades 9–12	24.5%	23.3%	22.1%
College or graduate school	15.2%	21.8%	24.1%
College, undergraduate	13.7%	17%	19%
Graduate, professional school	1.5%	4.8%	5.1%
College-going rate · 18-24 yr olds	12.8%	38.8%	37.8%
School type
Public school	81.3%	79.2%	81.6%
Private school	18.7%	20.8%	18.4%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

981

population 25 years and over

Total adults (25+)

Less than 9th grade

2.4%

9th-12th, no diploma

5.5%

HS graduate

45.4%

Some college no degree

17.1%

Associates degree

8.3%

Bachelors degree

15.8%

Graduate or professional degree

5.5%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

37.5% · 62.5%

9th-12th, no diploma

46.3% · 53.7%

HS graduate

56.2% · 43.8%

Some college no degree

48.8% · 51.2%

Associates degree

61.7% · 38.3%

Bachelors degree

26.5% · 73.5%

Graduate or professional degree

92.6% · 7.4%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Trafalgar	Johnson County	Indiana
Population (25+)	981	112,528	4,596,004
Less than 9th grade	2.4%	3%	3.6%
9th–12th, no diploma	5.5%	4.7%	6%
High school diploma or GED	45.4%	29.1%	32.5%
Some college, no degree	17.1%	19.3%	19.3%
Associate's degree	8.3%	9.2%	9.1%
Bachelor's degree or higher	21.3%	34.7%	29.5%
Bachelor's degree	15.8%	21.2%	18.7%
Graduate or professional	5.5%	13.5%	10.8%
High School or higher	92%	92.3%	90.4%

Earnings by education level

percentage as applicable

Median Earnings

$52,969

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$40,625

Some college or associates

$43,750

Bachelors degree

$95,000

Graduate or professional degree

$116,250

Poverty Rate

1.4%

for ages 25+, with bachelors degree or higher

Less than HS graduate

23.1%

HS graduate

6.1%

Some college or associates

4.4%

Bachelors degree or higher

1.4%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Trafalgar	Johnson County	Indiana
Median earnings
Population 25+, with earnings	$52,969	$55,355	$49,693
Less than high school graduate	$—	$36,955	$34,287
High school graduate (includes equivalency)	$40,625	$43,678	$40,411
Some college or associate's degree	$43,750	$53,277	$47,119
Bachelor's degree	$95,000	$70,039	$62,429
Graduate or professional degree	$116,250	$86,917	$79,544
Poverty rates
Less than high school graduate	23.1%	20%	23.6%
High school graduate (includes equivalency)	6.1%	11%	12.6%
Some college or associate's degree	4.4%	4.7%	9%
Bachelor's degree or higher	1.4%	2.1%	4%

Insights for Trafalgar, 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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