Alto Pass, IL Profile: Facts & Data


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Alto Pass, Illinois - Basic Facts

The Village of Alto Pass had a population of 385 as of July 1, 2020. Alto Pass ranks in the lower quartile for Population Density and the upper 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 Alto Pass is located at latitude 37.5703 and longitude -89.3176 in Union County. The formal boundaries for the Village of Alto Pass encompass a land area of 2.13 sq. miles and a water area of 0.03 sq. miles. Union County is in the Central time zone (GMT -6). The elevation is 751 feet.

The Village of Alto Pass (GNIS ID: 2397948) 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 Alto Pass is located within Alto Pass Election Precinct, a minor civil division (MCD) of Union County.

Alternate Unofficial Names for Alto Pass: Alto Station, Quetil.


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


Total Population 385 (100%)
Population in Households 385 (100.0%)
Population in Families 315 (81.8%)
Population in Group Quarters1 0
Population Density 180
Diversity Index2 34


Median Household Income $50,531
Average Household Income $61,439
% of Income for Mortgage4 13%
Per Capita Income $25,524
Wealth Index5 64


Total HU (Housing Units) 166 (100%)
Owner Occupied HU 127 (76.5%)
Renter Occupied HU 18 (10.8%)
Vacant Housing Units 21 (12.7%)
Median Home Value $160,000
Average Home Value $190,476
Housing Affordability Index3 205


Total Households 145
Average Household Size 2.66
Family Households 98
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 -0.15% -0.42%
Households 0.07% -0.42%
Families -0.58% -0.62%
Median Household Income   0.78%
Per Capita Income   1.93%
Owner Occupied HU   -0.32%


Alto Pass, IL - Peer Comparisons by Rank and Percentile

The table below compares Alto Pass 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 # 1016 26th
Population Density # 1292 6th
Median Household Income # 965 30th
Housing Affordability Index # 489 36th
Per Capita Income # 998 27th
Diversity Index # 337 76th

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

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