ZipCodesToGo
Indiana ZIP Codes
Lake County
Hammond, IN
46320
46320 ZIP Code — Hammond, IN
Lake County, Indiana
ZIP code 46320 is located in
Hammond ,
Indiana ,
within Lake County .
It covers approximately 4.66 square miles and serves a population of
13,822 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 219 .
About ZIP code 46320
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $97,500. Renters make up the majority at 57%, typical of denser urban areas.
Median household income is $34,806. Poverty affects 30% of residents, above the national average. SNAP benefit usage at 32% of households reflects economic stress in the area.
The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of obesity (48%), diabetes (18%), smoking (27%) compared to national benchmarks. 15% of residents lack health insurance, above the national average.
Overall, ZIP code 46320 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.
46320 ZIP code map
View map of 46320
Cities in ZIP code 46320
Below are the cities the US Postal Service accepts for ZIP code 46320. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
13,822
Population density
2,966 / sq mi
State FIPS
18
County FIPS
089
Geography
Land area
4.66 sq mi
Water area
0.00 sq mi
Latitude
41.6510
Longitude
-87.4935
Timezone
Central (CT)
Area code
219
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.2%
43.6%
42.9%
$50k – $100k
21.5%
31.1%
32.7%
$100k – $200k
6.5%
21.2%
19.8%
Over $200k
1.8%
4.1%
4.5%
Demographics & statistics
$34,806
Median household income
11.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,332 24.1%
18 and over 10,490 75.9%
65 and over 1,604 11.6%
Median age 32.7 years
Race & ethnicity
Black or African American
34.4%
American Indian / Alaska Native
0.1%
Group Count %
Black or African American 6,161 34.4%
Hispanic or Latino 4,080 22.8%
Other race 3,375 18.9%
White 3,104 17.3%
Two or more races 974 5.4%
Asian 197 1.1%
American Indian / Alaska Native 11 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.2%
43.6%
42.9%
$50k – $100k
21.5%
31.1%
32.7%
$100k – $200k
6.5%
21.2%
19.8%
Over $200k
1.8%
4.1%
4.5%
Range % of households
Under $10k 13.3%
$10k–$15k 10.1%
$15k–$25k 13.5%
$25k–$35k 13.5%
$35k–$50k 16.7%
$50k–$75k 12.7%
$75k–$100k 8.4%
$100k–$150k 9.6%
$150k–$200k 1.7%
$200k+ 0.6%
Median income $34,806
Housing
Housing overview
Metric Value
Median home value $97,500
Median rent / month $832
Owner occupied 42.7%
Renter occupied 57.3%
Vacant 14.2%
Single-family detached 52.3%
Large apartment buildings 17.4%
Mobile homes 0.3%
Median rooms 4.9
Avg household size (owned) 3.10
Year built
Era %
2020 or later 0.0%
2010–2019 1.6%
2000–2009 4.8%
1990–1999 5.8%
1980–1989 7.7%
1970–1979 6.1%
1960–1969 4.5%
1950–1959 8.4%
1940–1949 14.5%
1939 or earlier 46.7%
Bedrooms
Size % of units
No bedroom (studio) 6.2%
1 bedroom 22.6%
2 bedrooms 24.6%
3 bedrooms 34.2%
4 bedrooms 9.9%
5+ bedrooms 2.5%
Vehicles per household
Vehicles % of households
No vehicle 20.7%
1 vehicle 40.0%
2 vehicles 25.9%
3 or more 13.4%
Heating fuel
Fuel type %
Utility gas 80.6%
Electricity 17.3%
Propane / LP gas 0.3%
Wood 0.2%
No fuel used 1.2%
Households & families
Household type Count %
Married-couple family 1,267 23.8%
Cohabiting couple 569 10.7%
Male householder, no spouse 1,492 28.0%
Female householder, no spouse 2,001 37.5%
Households with children under 18 1,665 31.2%
Households with seniors (65+) 1,206 22.6%
Average household size 2.55
Marital status
Status Male Female
Never married 56.4% 48.2%
Married 26.3% 24.5%
Separated 4.9% 3.3%
Widowed 3.7% 12.3%
Divorced 8.7% 11.7%
Education
Some HS, no diploma
12.0%
Some college, no degree
20.2%
Graduate / professional
3.2%
Metric %
HS diploma or higher 80.6%
Bachelor's or higher 11.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 116 3.3%
Kindergarten 126 3.6%
Elementary school 1,389 40.1%
High school 969 27.9%
College / grad school 867 25.0%
Employment
Industry of employment
Education & healthcare
21.7%
Arts, food & hospitality
10.6%
Professional & management
7.9%
Transportation & utilities
6.7%
Finance & real estate
4.1%
Public administration
2.7%
Agriculture & mining
0.4%
Occupation
Category %
Management, business & arts 21.3%
Service 23.6%
Sales & office 19.4%
Natural resources & construction 9.7%
Production & transportation 25.9%
Employment type
Type %
Private sector 87.2%
Government 7.9%
Self-employed 4.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 71.8%
Carpool 12.4%
Public transit 1.5%
Walk 2.2%
Work from home 8.7%
Other means 3.5%
Avg commute (minutes) 26.9
Poverty
Married-couple families
6.4%
Female-led households
60.7%
Income support
Source % of households
Social Security 29.5%
Retirement income 16.0%
Supplemental Security 10.5%
Cash public assistance 5.0%
Food stamps / SNAP 31.8%
Health indicators
Condition %
Obesity 48.4%
High blood pressure 39.6%
High cholesterol 29.1%
Diabetes 17.9%
Heart disease 7.5%
Stroke 4.7%
Asthma 12.3%
Arthritis 28.2%
Kidney disease 4.0%
Pulmonary disease 9.8%
Cancer 4.8%
Behavior / access %
Smoking 27.4%
Binge drinking 14.0%
No physical activity 40.3%
Less than 7 hrs sleep 42.0%
Depression 20.5%
Fair or poor health 28.6%
Poor mental health 18.2%
Poor physical health 15.9%
No health insurance 25.7%
Visited doctor (checkup) 77.3%
Visited dentist 43.7%
Cholesterol screening 86.4%
Teeth loss 28.8%
Veterans & disability
Veterans Count %
Civilian veterans 354 3.4%
Disability %
Any disability 18.3%
Under 18 6.8%
18–64 years 15.8%
65 and over 55.6%
Health insurance coverage
Type %
Private insurance 43.8%
Public insurance 49.9%
No insurance 15.4%
Uninsured under 19 5.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 13,151 95.1%
Spanish 1,688 12.8%
Other Indo-European 1,644 12.5%
Asian & Pacific Islander 44 0.3%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 11,980 86.7%
Born in same state 11,550 83.6%
Born in different state 4,825 34.9%
Foreign born 430 3.1%
Naturalized citizen 1,842 13.3%
Not a US citizen 567 30.8%
Ancestry
Ancestry Count %
Italian 337 2.4%
French 174 1.3%
Arab 173 1.3%
Irish 40 0.3%
Ancestry Count %
English 17 0.1%
Norwegian 8 0.1%
Polish 7 0.1%
Technology access
Metric % of households
Computer access 38.6%
Internet access 85.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 46320
What city is ZIP code 46320 in?
ZIP code 46320 is primarily assigned to Hammond, Indiana.
What county is ZIP code 46320 in?
ZIP code 46320 falls within Lake County, Indiana.
What is the poverty rate in ZIP code 46320?
30% of residents in ZIP code 46320 live below the poverty line, above the national average.
Is ZIP code 46320 mostly rentals?
57% of occupied units in ZIP code 46320 are renter-occupied.
How educated is the population of ZIP code 46320?
12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What are the health statistics for ZIP code 46320?
Health data for ZIP code 46320 shows elevated rates of obesity (48%) and diabetes (18%) and smoking (27%) compared to national benchmarks.
What timezone is ZIP code 46320 in?
ZIP code 46320 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →