Johnston County NC Information


Johnston County Subdivisions

Johnston County NC Data & Demographics (As of July 1, 2022)


Total Population 229,474 (100%)
Population in Households 227,737 (99.2%)
Population in Families 193,479 (84.3%)
Population in Group Quarters1 1,737 ( 0.8%)
Population Density 290
Diversity Index2 67


Median Household Income $69,319
Average Household Income $93,718
% of Income for Mortgage4 18%
Per Capita Income $34,331
Wealth Index5 84


Total HU (Housing Units) 89,954 (100%)
Owner Occupied HU 63,940 (71.1%)
Renter Occupied HU 20,093 (22.3%)
Vacant Housing Units 5,921 ( 6.6%)
Median Home Value $239,219
Average Home Value $246,994
Housing Affordability Index3 133


Total Households 84,033
Average Household Size 2.71
Family Households 59,936
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population 2.73% 1.81%
Households 2.75% 1.82%
Families   1.75%
Median Household Income   3.76%
Per Capita Income   3.25%
Owner Occupied HU   2.14%


Johnston County NC - Peer Comparisons by Rank and Percentile

The table below compares Johnston County to the other 100 counties and county equivalents in North Carolina by rank and percentile using July 1, 2022 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 # 12 89th
Population Density # 20 81st
Median Household Income # 12 89th
Housing Affordability Index # 44 44th
Per Capita Income # 26 75th
Diversity Index # 19 82nd

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

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