US > Indiana > Marion County > Indianapolis, IN 46256

46256 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Castleton, IN | Indianapolis, IN
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ZIP Code 46256: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Indianapolis, IN 46256

Acceptable Alternative
Castleton, IN 46256

  • ZIP Code Type: STANDARD
  • County: Marion County
  • Centroid: Latitude 39.902, Longitude -86.016
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 46256 has segments in 2 Counties (Hamilton, Marion).

  • Businesses Addresses: 629
  • PO Box Addresses: 9
  • Residential Addresses: 10,126
    • Multi-Family Addresses: 1,536
    • Single Family Addresses: 8,590

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

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Indianapolis, IN 46256 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 20,990 (100%)
Population Density 1,883 per sq mi
Diversity Index1 49
 
 

INCOME

Median Household Income $93,847
Per Capita Income $52,277
Median Home Value $318,200
 

HOUSING

Total HU (Housing Units) 9,996 (100%)
Owner Occupied HU 6,603 (66.1%)
Renter Occupied HU 2,438 (24.4%)
Vacant Housing Units 955 (9.6%)
 

HOUSEHOLDS

Total Households 9,041
Average Household Size 2.30
Family Households 5,530 (61.2%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Indianapolis, IN 46256 - Peer Comparisons by Rank and Percentile

The table below compares 46256 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 6018 82nd
Population Density # 5405 84th
Median Household Income # 7902 77th
Per Capita Income # 5733 83rd
Diversity Index # 8237 76th

Additional comparisons and rankings can be made with a VERY EASY TO USE Indiana Census Data Comparison Tool.


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