Chinquapin, NC 28521 ZIP Code Profile

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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: 37
  • PO Box Addresses: 88
  • Residential Addresses: 877
    • Multi-Family Addresses: 5
    • Single Family Addresses: 872

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


28521 ZIP Code Map

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Chinquapin, NC 28521 Data & Demographics (As of July 1, 2017)


Total Population 1,895
Daytime Population: Workers 149
Daytime Population: Residents 1,153
Total Daytime Population (TDP) 1,302
Ratio TDP/Total Population1 0.69
Population in Households 1,891
Population in Familes 1,618
Population in Group Qrtrs 4
Population Density2 59
Diversity Index3 42


Median Household Income $36,092
Average Household Income $50,017
Per Capita Income $20,696


Total Housing Units 888 (100%)
Owner Occupied HU 609 (68.6%)
Renter Occupied HU 174 (19.6%)
Vacant Housing Units 105 (11.8%)
Median Home Value $99,851
Average Home Value $130,008


Total Households 783
Average Household Size 2.42
Family Households 570
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.65% 0.47%
Households 0.67% 0.46%
Families 0.52% 0.38%
Median Household Income   0.19%
Per Capita Income   1.73%

Chinquapin, NC 28521 - Peer Comparisons by Rank and Percentile

The table below compares 28521 to the other 782 ZIP Codes in North Carolina by rank and percentile using July 1, 2017 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 # 617 21st
Population Density # 581 26th
Diversity Index # 449 43rd
Median Household Income # 615 21st
Per Capita Income # 561 28th

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

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