Niantic, IL Profile: Facts & Data


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Niantic, Illinois - Basic Facts

The Village of Niantic had a population of 760 as of July 1, 2020. Niantic ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Niantic is located at latitude 39.8539 and longitude -89.1662 in Macon County. The formal boundaries for the Village of Niantic encompass a land area of 1.07 sq. miles and a water area of 0 sq. miles. Macon County is in the Central time zone (GMT -6). The elevation is 604 feet.

The Village of Niantic (GNIS ID: 2399496) 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 Village of Niantic is located within Township of Niantic, a minor civil division (MCD) of Macon County.


Niantic, IL Data & Demographics (As of July 1, 2020)


Total Population 760 (100%)
Population in Households 760 (100.0%)
Population in Families 629 (82.8%)
Population in Group Quarters1 0
Population Density 731
Diversity Index2 7


Median Household Income $53,766
Average Household Income $62,931
% of Income for Mortgage4 6%
Per Capita Income $26,889
Wealth Index5 61


Total HU (Housing Units) 333 (100%)
Owner Occupied HU 247 (74.2%)
Renter Occupied HU 55 (16.5%)
Vacant Housing Units 31 ( 9.3%)
Median Home Value $82,110
Average Home Value $108,065
Housing Affordability Index3 338


Total Households 302
Average Household Size 2.52
Family Households 203
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.71% -0.16%
Households 1.03% 0.07%
Families 0.6% -0.1%
Median Household Income   -0.02%
Per Capita Income   1.11%
Owner Occupied HU   0.08%


Niantic, IL - Peer Comparisons by Rank and Percentile

The table below compares Niantic to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 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 # 784 43rd
Population Density # 919 33rd
Median Household Income # 814 41st
Housing Affordability Index # 1195 87th
Per Capita Income # 883 36th
Diversity Index # 1142 16th

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

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