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 3,191 as of July 1, 2017.

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, 2017.

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, 2017)


Total Population 3,191
Daytime Population: Workers 2,682
Daytime Population: Residents 1,427
Total Daytime Population (TDP) 4,109
Ratio TDP/Total Population1 1.29
Population in Households 3,148
Population in Familes 2,528
Population in Group Qrtrs 43
Population Density2 854
Diversity Index3 9


Median Household Income $58,355
Average Household Income $72,002
Per Capita Income $31,108


Total Housing Units 1,488 (100%)
Owner Occupied HU 956 (64.2%)
Renter Occupied HU 414 (27.8%)
Vacant Housing Units 117 ( 7.9%)
Median Home Value $164,523
Average Home Value $170,236


Total Households 1,371
Average Household Size 2.3
Family Households 866
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 0.54% 0.54%
Households 0.64% 0.61%
Families 0.5% 0.53%
Median Household Income   5.2%
Per Capita Income   2.76%

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, 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 # 116 89th
Population Density # 396 61st
Diversity Index # 527 48th
Median Household Income # 305 70th
Per Capita Income # 234 77th

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

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