Grafton, WI Profile: Facts, Map & Data


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Grafton, Wisconsin - Basic Facts

The Village of Grafton had a population of 11,599 as of July 1, 2017. Grafton ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Wisconsin. See peer rankings below.

The primary coordinate point for Grafton is located at latitude 43.3207 and longitude -87.9476 in Ozaukee County. The formal boundaries for the Village of Grafton (see map below) encompass a land area of 5.02 sq. miles and a water area of 0.06 sq. miles. Ozaukee County is in the Central time zone (GMT -6). The elevation is 758 feet.

The Village of Grafton (GNIS ID: 1583293) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Grafton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Grafton: Hamburg.

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Village of Grafton, WI Boundary Map

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Grafton, WI Data & Demographics (As of July 1, 2017)


Total Population 11,599
Daytime Population: Workers 5,531
Daytime Population: Residents 5,067
Total Daytime Population (TDP) 10,598
Ratio TDP/Total Population1 0.91
Population in Households 11,599
Population in Familes 9,445
Population in Group Qrtrs 0
Population Density2 2,312
Diversity Index3 16


Median Household Income $66,160
Average Household Income $87,771
Per Capita Income $37,155


Total Housing Units 5,190 (100%)
Owner Occupied HU 3,340 (64.4%)
Renter Occupied HU 1,616 (31.1%)
Vacant Housing Units 233 ( 4.5%)
Median Home Value $229,938
Average Home Value $262,915


Total Households 4,957
Average Household Size 2.34
Family Households 3,290
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 0.18% 0.32%
Households 0.27% 0.37%
Families 0.43% 0.3%
Median Household Income   3.35%
Per Capita Income   2.74%

Grafton, WI - Peer Comparisons by Rank and Percentile

The table below compares Grafton to the other 774 incorporated cities, towns and CDPs in Wisconsin 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 # 76 90th
Population Density # 44 94th
Diversity Index # 326 58th
Median Household Income # 141 82nd
Per Capita Income # 70 91st

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

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