Williamson, IA Profile: Facts & Data


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Williamson, Iowa - Basic Facts

The City of Williamson had a population of 165 as of July 1, 2018.

The primary coordinate point for Williamson is located at latitude 41.0878 and longitude -93.2549 in Lucas County. The formal boundaries for the City of Williamson encompass a land area of 0.32 sq. miles and a water area of 0 sq. miles. Lucas County is in the Central time zone (GMT -6). The elevation is 1,024 feet.

The City of Williamson (GNIS ID: 2397320) 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 Williamson is located within Township of English, a minor civil division (MCD) of Lucas County.

Alternate Unofficial Names for Williamson: Gunwald.

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  1. Williamson 2018 Demographic Data
  2. Growth Rates for Williamson (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Williamson, IA Data & Demographics (As of July 1, 2018)


Total Population 165
Population in Households 165
Population in Familes 138
Population in Group Qrtrs 0
Population Density2 513
Diversity Index3 12


Median Household Income $57,599
Average Household Income $70,982
Per Capita Income $29,057


Total Housing Units 83 (100%)
Owner Occupied HU 62 (74.7%)
Renter Occupied HU 6 ( 7.2%)
Vacant Housing Units 15 (18.1%)
Median Home Value $154,688
Average Home Value $186,066


Total Households 68
Average Household Size 2.43
Family Households 50
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.0% 0.24%
Households 0.93% 0.29%
Families 2.74% 0.0%
Median Household Income   2.38%
Per Capita Income   2.59%

Williamson, IA - Peer Comparisons by Rank and Percentile

The table below compares Williamson to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 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 # 755 25th
Population Density # 636 37th
Diversity Index # 421 59th
Median Household Income # 417 59th
Per Capita Income # 480 53rd

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