46278 ZIP Code — Indianapolis, IN

Marion County, Indiana

ZIP code 46278 is located in Indianapolis, Indiana, within Marion County. It covers approximately 13.21 square miles and serves a population of 8,650 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 317.

About ZIP code 46278

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $395,400. Owner-occupancy is high at 94%, well above the national average.

Median household income is $148,227. The poverty rate of 3% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 46278 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

8,650

population

13.21

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

46278 ZIP code map

Cities in ZIP code 46278

Below are the cities the US Postal Service accepts for ZIP code 46278. Using any city not on this list may result in mail delivery delays.

City	Status
Indianapolis	Acceptable
Indianapolis	Acceptable
Indianapolis	Preferred

Nearby ZIP codes

46268 Indianapolis (3.4 mi) 46254 Indianapolis (3.5 mi) 46112 Brownsburg (4.9 mi) 46234 Indianapolis (5.9 mi) 46228 Indianapolis (6.1 mi) 46260 Indianapolis (6.1 mi) 46077 Zionsville (6.5 mi) 46214 Indianapolis (6.5 mi) 46224 Indianapolis (7 mi) 46208 Indianapolis (7.5 mi) 46290 Indianapolis (7.7 mi) 46290 Indianapolis (7.7 mi)

Demographics updated 05/2026

Population
Total population	8,650
Population density	655 / sq mi
State FIPS	18
County FIPS	097

Geography
Land area	13.21 sq mi
Water area	0.15 sq mi
Latitude	39.8894
Longitude	-86.2965
Timezone	Eastern (ET)
Area code	317

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.6%	48.4%	42.9%
$50k – $100k	18.7%	29.9%	32.7%
$100k – $200k	46.9%	17.1%	19.8%
Over $200k	18.8%	4.6%	4.5%

Demographics & statistics

8,650

Population

655

People per sq mi

45.7

Median age

$148,227

Median household income

$64,964

Per capita income

$395,400

Median home value

$1,603

Median monthly rent

94.1%

Home ownership

3.3%

Poverty rate

5.4%

Unemployment

3,127

Housing units

58.1%

Bachelor's or higher

Age distribution

Male Female

150

Under 5

162

199

5–9

213

279

10–14

301

246

15–19

264

276

20–24

297

325

25–34

350

510

35–44

548

504

45–54

542

447

55–59

480

510

60–64

549

504

65–74

541

122

75–84

131

85+

104

← Male

Female →

Age summary

Group	Count	%
Under 18	1,744	20.2%
18 and over	6,906	79.8%
65 and over	1,498	17.3%
Median age	45.7 years

Race & ethnicity

White 68.1%

Black or African American 23.8%

Asian 4.4%

Hispanic or Latino 1.6%

Two or more races 1.3%

Other race 0.8%

Group	Count	%
White	5,984	68.1%
Black or African American	2,096	23.8%
Asian	385	4.4%
Hispanic or Latino	140	1.6%
Two or more races	114	1.3%
Other race	71	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.6%	48.4%	42.9%
$50k – $100k	18.7%	29.9%	32.7%
$100k – $200k	46.9%	17.1%	19.8%
Over $200k	18.8%	4.6%	4.5%

Under $10k 0.5%

$10k–$15k 0.9%

$15k–$25k 3.4%

$25k–$35k 2.5%

$35k–$50k 3.6%

$50k–$75k 6.6%

$75k–$100k 6.2%

$100k–$150k 29.1%

$150k–$200k 22.3%

$200k+ 24.8%

Range	% of households
Under $10k	0.5%
$10k–$15k	0.9%
$15k–$25k	3.4%
$25k–$35k	2.5%
$35k–$50k	3.6%
$50k–$75k	6.6%
$75k–$100k	6.2%
$100k–$150k	29.1%
$150k–$200k	22.3%
$200k+	24.8%
Median income	$148,227

Housing

Home values

$50k–$100k 1.5%

$100k–$150k 5.2%

$150k–$200k 12.3%

$200k–$300k 22.8%

$300k–$500k 30.2%

$500k–$1M 27.4%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$395,400
Median rent / month	$1,603
Owner occupied	94.1%
Renter occupied	5.9%
Vacant	2.9%
Single-family detached	89.6%
Large apartment buildings	0.5%
Mobile homes	0.0%
Median rooms	8.4
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.0%
2010–2019	3.3%
2000–2009	15.8%
1990–1999	35.0%
1980–1989	18.5%
1970–1979	12.8%
1960–1969	4.2%
1950–1959	4.1%
1940–1949	0.0%
1939 or earlier	6.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.7%
2 bedrooms	7.7%
3 bedrooms	38.8%
4 bedrooms	34.1%
5+ bedrooms	16.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	23.9%
2 vehicles	40.0%
3 or more	34.2%

Heating fuel

Fuel type	%
Utility gas	70.8%
Electricity	28.1%
Propane / LP gas	0.5%
Fuel oil	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,791	55.6%
Cohabiting couple	334	10.4%
Male householder, no spouse	432	13.4%
Female householder, no spouse	664	20.6%
Households with children under 18	710	22.0%
Households with seniors (65+)	1,122	34.8%
Average household size	2.68

Marital status

Status	Male	Female
Never married	30.2%	29.3%
Married	49.2%	50.8%
Separated	3.9%	1.8%
Widowed	4.3%	7.1%
Divorced	12.4%	11.1%

Education

Less than 9th grade 1.5%

Some HS, no diploma 3.2%

HS graduate 11.5%

Some college, no degree 16.5%

Associate's degree 9.2%

Bachelor's degree 33.9%

Graduate / professional 24.2%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	58.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	47	2.2%
Kindergarten	128	6.0%
Elementary school	697	32.9%
High school	632	29.8%
College / grad school	616	29.1%

Employment

Industry of employment

Education & healthcare 26.4%

Manufacturing 16.8%

Professional & management 14.9%

Finance & real estate 14.8%

Transportation & utilities 7.7%

Arts, food & hospitality 6.5%

Other services 4.8%

Retail trade 3.9%

Wholesale trade 1.6%

Public administration 1.3%

Construction 0.9%

Information 0.3%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	58.0%
Service	15.3%
Sales & office	16.3%
Natural resources & construction	2.4%
Production & transportation	8.1%

Employment type

Type	%
Private sector	90.3%
Government	7.1%
Self-employed	2.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	78.4%
Carpool	2.7%
Public transit	0.0%
Walk	0.6%
Work from home	18.4%
Other means	0.0%
Avg commute (minutes)	27.8

Poverty

All people 3.3%

Under 18 years 0.0%

18 and over 4.1%

Married-couple families 0.9%

Female-led households 10.0%

Income support

Source	% of households
Social Security	30.6%
Retirement income	25.8%
Supplemental Security	1.2%
Cash public assistance	1.0%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	33.3%
High blood pressure	32.3%
High cholesterol	32.5%
Diabetes	9.4%
Heart disease	4.8%
Stroke	2.2%
Asthma	9.6%
Arthritis	20.4%
Kidney disease	2.4%
Pulmonary disease	4.8%
Cancer	6.0%

Behavior / access	%
Smoking	14.3%
Binge drinking	17.7%
No physical activity	19.7%
Less than 7 hrs sleep	34.0%
Depression	20.2%
Fair or poor health	10.7%
Poor mental health	12.9%
Poor physical health	8.1%
No health insurance	9.3%
Visited doctor (checkup)	75.0%
Visited dentist	73.1%
Cholesterol screening	92.9%
Teeth loss	8.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	415	6.0%

Disability	%
Any disability	9.7%
Under 18	0.6%
18–64 years	6.0%
65 and over	33.3%

Health insurance coverage

Type	%
Private insurance	83.0%
Public insurance	21.8%
No insurance	7.2%
Uninsured under 19	5.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,338	96.4%
Spanish	234	2.8%
Other Indo-European	27	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	18	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,046	93.0%
Born in same state	8,021	92.7%
Born in different state	4,937	57.1%
Foreign born	25	0.3%
Naturalized citizen	604	7.0%
Not a US citizen	275	45.5%

Ancestry

Ancestry	Count	%
French	660	7.6%
Italian	546	6.3%
Arab	366	4.2%
Dutch	62	0.7%

Ancestry	Count	%
English	48	0.6%
Polish	43	0.5%
Irish	28	0.3%
German	6	0.1%

Technology access

Metric	% of households
Computer access	37.2%
Internet access	96.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 46278

What city is ZIP code 46278 in?

ZIP code 46278 is primarily assigned to Indianapolis, Indiana.

What county is ZIP code 46278 in?

ZIP code 46278 falls within Marion County, Indiana.

Is ZIP code 46278 mostly owner-occupied?

94% of occupied units in ZIP code 46278 are owner-occupied, well above the national average.

How educated is the population of ZIP code 46278?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 46278?

The median household income in ZIP code 46278 is $148,227, above the national median of ~$75,000.

What is the typical home value in ZIP code 46278?

The median home value in ZIP code 46278 is $395,400.

What timezone is ZIP code 46278 in?

ZIP code 46278 observes the EST timezone.