Twin Lakes, IA Profile: Facts, Map & Data


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Twin Lakes, Iowa - Basic Facts

The Twin Lakes Census Designated Place had a population of 304 as of July 1, 2017. Twin Lakes ranks in the lower quartile for Population Density and 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 Twin Lakes is located at latitude 42.481 and longitude -94.6298 in Calhoun County. The formal boundaries for the Twin Lakes Census Designated Place (see map below) encompass a land area of 1.37 sq. miles and a water area of 1.5 sq. miles. Calhoun County is in the Central time zone (GMT -6). The elevation is 1,237 feet.

The Twin Lakes Census Designated Place (GNIS ID: 2629974) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Twin Lakes Census Designated Place is located within Township of Sherman, a minor civil division (MCD) of Calhoun County.

Beneath the boundary map are tables with Twin Lakes population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Twin Lakes Census Designated Place, IA Boundary Map

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Boundary Maps: Township of Sherman | Calhoun County | Iowa Counties

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


Total Population 304
Daytime Population: Workers 63
Daytime Population: Residents 147
Total Daytime Population (TDP) 210
Ratio TDP/Total Population1 0.69
Population in Households 304
Population in Familes 265
Population in Group Qrtrs 0
Population Density2 222
Diversity Index3 5


Median Household Income $71,332
Average Household Income $101,886
Per Capita Income $44,203


Total Housing Units 385 (100%)
Owner Occupied HU 132 (34.3%)
Renter Occupied HU 15 ( 3.9%)
Vacant Housing Units 238 (61.8%)
Median Home Value $344,444
Average Home Value $339,015


Total Households 147
Average Household Size 2.07
Family Households 112
Average Family Size 2
  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 -1.29% -1.08%
Households -1.41% -1.11%
Families -1.39% -1.1%
Median Household Income   4.51%
Per Capita Income   1.81%

Twin Lakes, IA - Peer Comparisons by Rank and Percentile

The table below compares Twin Lakes 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 # 588 42nd
Population Density # 853 16th
Diversity Index # 852 15th
Median Household Income # 89 91st
Per Capita Income # 11 99th

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

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