Williamsburg, IA Profile: Facts, Map & Data

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Williamsburg, Iowa - Basic Facts

The City of Williamsburg is an incorporated place (Class Code P1) located in Iowa County at latitude 41.6689 and longitude -92.0133. Iowa County is in the Central time zone (GMT -6). The elevation is 820 feet.

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

The P1 Census Class Code for Williamsburg 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 Williamsburg (see map below) encompass a land area of 3.74 sq. miles and a water area of 0.01 sq. miles.

City of Williamsburg, IA Boundary Map

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Williamsburg, IA Data & Demographics (As of July 1, 2014)


Total Population 3,176
Population in Households 3,134
Population in Familes 2,524
Population in Group Qrtrs 42
Population Density1 850
Diversity Index2 7


Total Households 1,370
Average Household Size 2.29
Family Households 865
Average Family Size 3


Total Housing Units 1,488 (100%)
Owner Occupied HU 957 (64.3%)
Renter Occupied HU 414 (27.8%)
Vacant Housing Units 118 ( 7.9%)
Median Home Value $147,031
Average Home Value $156,224


Median Household Income $62,563
Average Household Income $69,942
Per Capita Income $30,313
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.82% 0.55%
Households 1.08% 0.72%
Families 0.83% 0.53%
Median Household Income   4.04%
Per Capita Income   2.81%
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, 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 # 116 89th
Population Density1 # 400 60th
Diversity Index2 # 586 42nd
Median Household Income # 162 84th
Per Capita Income # 155 85th

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