US > North Carolina > Duplin County > Chinquapin, NC 28521

28521 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Chinquapin, NC
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ZIP Code 28521: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Chinquapin, NC 28521

  • ZIP Code Type: STANDARD
  • County: Duplin County
  • Centroid: Latitude 34.828, Longitude -77.745
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 28521 has segments in 2 Counties (Duplin, Onslow).

  • Businesses Addresses: 35
  • PO Box Addresses: 77
  • Residential Addresses: 948
    • Multi-Family Addresses: 5
    • Single Family Addresses: 943

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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Chinquapin, NC 28521 Data & Demographics

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

POPULATION

Total Population 1,593 (100%)
Population Density 39 per sq mi
Diversity Index1 51
 
 

INCOME

Median Household Income $47,813
Per Capita Income $28,327
Median Home Value $128,800
 

HOUSING

Total HU (Housing Units) 934 (100%)
Owner Occupied HU 618 (66.2%)
Renter Occupied HU 16 (1.7%)
Vacant Housing Units 300 (32.1%)
 

HOUSEHOLDS

Total Households 634
Average Household Size 2.48
Family Households 536 (84.5%)
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).

Chinquapin, NC 28521 - Peer Comparisons by Rank and Percentile

The table below compares 28521 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 # 20101 40th
Population Density # 21234 37th
Median Household Income # 29773 12th
Per Capita Income # 26586 21st
Diversity Index # 7366 78th

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


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Duplin County


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