Northfield, KY Profile: Facts, Map & Data


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Northfield, Kentucky - Basic Facts

The City of Northfield is an incorporated place (Class Code P1) located in Jefferson County at latitude 38.2858 and longitude -85.6363. Jefferson County is in the Eastern time zone (GMT -5). The elevation is 584 feet.

The formal official name is the City of Northfield, but most people and references simply refer to it as Northfield, Kentucky.

The P1 Census Class Code for Northfield indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Northfield (see map below) encompass a land area of 0.47 sq. miles and a water area of 0 sq. miles.

City of Northfield, KY Boundary Map


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Boundary Maps: East Jefferson Division | Jefferson County | Kentucky Counties

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Northfield, KY Data & Demographics (As of July 1, 2014)


Total Population 1,026
Population in Households 944
Population in Familes 787
Population in Group Qrtrs 82
Population Density1 2,178
Diversity Index2 19


Total Households 417
Average Household Size 2.26
Family Households 269
Average Family Size 3


Total Housing Units 428 (100%)
Owner Occupied HU 347 (81.1%)
Renter Occupied HU 70 (16.4%)
Vacant Housing Units 11 ( 2.6%)
Median Home Value $342,258
Average Home Value $352,017


Median Household Income $120,408
Average Household Income $152,738
Per Capita Income $62,924
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.14% 0.44%
Households 0.23% 0.43%
Families 1.74% 0.3%
Median Household Income   2.92%
Per Capita Income   4.14%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Northfield, KY - Peer Comparisons by Rank and Percentile

The table below compares Northfield to the other 524 incorporated cities, towns and CDPs in Kentucky by rank and percentile using July 1, 2014 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 # 231 56th
Population Density1 # 105 80th
Diversity Index2 # 197 62nd
Median Household Income # 10 98th
Per Capita Income # 9 98th

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