Williamsburg, IA Profile: Facts, Map & Data


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Williamsburg, Iowa - Basic Facts

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The City of Williamsburg had a population of 3,235 as of July 1, 2015.

The primary coordinate point for Williamsburg is located at latitude 41.6689 and longitude -92.0133 in Iowa County. The formal boundaries for the City of Williamsburg (see map below) encompass a land area of 3.74 sq. miles and a water area of 0.01 sq. miles. Iowa County is in the Central time zone (GMT -6). The elevation is 820 feet.

The City of Williamsburg (GNIS ID: 2397318) 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 Williamsburg is located within Township of Troy, a minor civil division (MCD) of Iowa County.

Beneath the boundary map are tables with Williamsburg population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Neighborhood Data

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City of Williamsburg, IA Boundary Map

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Boundary Maps: Township of Troy | Iowa County | Iowa Counties

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Williamsburg, IA Data & Demographics (As of July 1, 2015)


Total Population 3,235
Population in Households 3,193
Population in Familes 2,569
Population in Group Qrtrs 42
Population Density1 865
Diversity Index2 8


Total Households 1,399
Average Household Size 2.28
Family Households 885
Average Family Size 3


Total Housing Units 1,494 (100%)
Owner Occupied HU 974 (65.2%)
Renter Occupied HU 425 (28.4%)
Vacant Housing Units 95 ( 6.4%)
Median Home Value $154,766
Average Home Value $161,922


Median Household Income $65,875
Average Household Income $70,979
Per Capita Income $30,851
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.01% 0.82%
Households 1.27% 0.98%
Families 1.11% 0.84%
Median Household Income   3.01%
Per Capita Income   2.68%
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.


Williamsburg, IA - Peer Comparisons by Rank and Percentile

The table below compares Williamsburg to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2015 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 # 116 89th
Population Density1 # 390 61st
Diversity Index2 # 565 44th
Median Household Income # 138 86th
Per Capita Income # 169 83rd

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