Grafton, IA Profile: Facts, Map & Data


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Grafton, Iowa - Basic Facts

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The City of Grafton had a population of 260 as of July 1, 2017. Grafton ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Grafton is located at latitude 43.3304 and longitude -93.0687 in Worth County. The formal boundaries for the City of Grafton (see map below) encompass a land area of 0.32 sq. miles and a water area of 0 sq. miles. Worth County is in the Central time zone (GMT -6). The elevation is 1,230 feet.

The City of Grafton (GNIS ID: 2394944) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Grafton is located within Township of Union, a minor civil division (MCD) of Worth County.

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.

Neighborhood 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 certain data.


City of Grafton, IA Boundary Map

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Boundary Maps: Township of Union | Worth County | Iowa Counties

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


Total Population 260
Daytime Population: Workers 62
Daytime Population: Residents 123
Total Daytime Population (TDP) 185
Ratio TDP/Total Population1 0.71
Population in Households 260
Population in Familes 216
Population in Group Qrtrs 0
Population Density2 800
Diversity Index3 4


Median Household Income $58,066
Average Household Income $74,499
Per Capita Income $30,797


Total Housing Units 127 (100%)
Owner Occupied HU 97 (76.4%)
Renter Occupied HU 21 (16.5%)
Vacant Housing Units 10 ( 7.9%)
Median Home Value $130,645
Average Home Value $195,833


Total Households 117
Average Household Size 2.22
Family Households 84
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 0.43% 0.15%
Households 0.36% 0.34%
Families 2.55% 0.24%
Median Household Income   2.37%
Per Capita Income   2.76%

Grafton, IA - Peer Comparisons by Rank and Percentile

The table below compares Grafton to the other 1,009 incorporated cities, towns and CDPs in Iowa 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 # 644 36th
Population Density # 428 58th
Diversity Index # 918 9th
Median Household Income # 312 69th
Per Capita Income # 247 76th

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

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