Sidney, IL demographics:
population, income, and more

Total population
936
10.2% year-over-year change
Median household income
$88,618/yr
5.4% year-over-year change
Housing units
409
4.3% year-over-year change

Sidney population

How many people live in Sidney

Sidney is home to 936 residents, according to the most recent Census data. Gender-wise, 49.8% of Sidney locals are male, and 50.2% are female.

Total population
936
10.2% year-over-year change
Gender ratio
Male
49.8%
466
Female
50.2%
470
Value Percent YoY change
Male 466 49.8% 10.4%
Female 470 50.2% 10.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sidney is 40, with the population distributed as follows: about 18.2% are children under 15, then 8.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.9% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 17.6% are 65 or older.

Median age
39.6
Age breakdown
Under 15
18.2%
15 to 24
8.6%
25 to 44
29.9%
45 to 64
25.8%
Over 65
17.6%
Value Percent YoY change
Under 15 170 18.2% 7.6%
15 to 24 80 8.6% 0.0%
25 to 44 280 29.9% 26.1%
45 to 64 241 25.8% 12.1%
Over 65 165 17.6% -5.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sidney, 99% of the population are US-born citizens, while 0.4% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. As for race, 96.8% of locals are Caucasian, 0.2% are African American and 0.5% have Asian roots. There’s also a share of 1.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99%
Non-U.S.-born citizens
0.4%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 927 99% 9.6%
Non-U.S.-born citizens 4 0.4% 33.3%
Non-citizens 5 0.5% N/A
Racial breakdown
White
96.8%
Black or African American
0.2%
American Indian and Alaska Native
0%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.4%
Other
1.1%
Value Percent
White 906 96.8%
Black or African American 2 0.2%
Asian 5 0.5%
Two or more races 13 1.4%
Other 10 1.1%

Households in Sidney

A peek inside Sidney households

Sidney has 375 households, with an average of 2 members in each. Of these, 70.1% are families, while the remaining 29.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
375
6.2% year-over-year change
Average people per household
2
Non-family households
112
Family households
263
Value Percent YoY change
Non-family households 112 29.9% -5.9%
Family households 263 70.1% 12.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sidney

The housing landscape of Sidney

Sidney's housing consists of 409 units, with 91.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.2% of the housing landscape.

Housing units
409
4.3% year-over-year change
Housing types
Value Percent
1 unit, detached 375 91.7%
1 unit, attached 9 2.2%
2 units 13 3.2%
3 or 4 units 3 0.7%
Mobile home 9 2.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Sidney

In Sidney, the median construction year is 1964. About 29.6% of homes were built before the 1940s, with another 1.5% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 121 29.6% 13.1%
Built between 1940 and 1949 6 1.5% -60.0%
Built between 1950 and 1959 49 12% 0.0%
Built between 1960 and 1969 65 15.9% 3.2%
Built between 1970 and 1979 41 10% -4.7%
Built between 1980 and 1989 57 13.9% 35.7%
Built between 1990 and 1999 12 2.9% -36.8%
Built between 2000 and 2009 52 12.7% 6.1%
Built between 2010 and 2019 6 1.5% 20.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sidney occupancy rates

Out of the 375 occupied housing units in Sidney, 82.7% are owner-occupied, while 17.3% are lived in by tenants. Meanwhile, 8.3% of all homes on the local market sit vacant.

Occupied housing units
375
6.2% year-over-year change
Occupancy breakdown
Renter occupied
65
Owner occupied
310
Value Percent YoY
change
Renter occupied 65 17.3% 14.0%
Owner occupied 310 82.7% 4.7%
Unoccupied housing units
8.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sidney housing costs

Housing costs in Sidney come to a median of $1,211 per month, while tenants specifically pay a median gross rent of $1,094.

Median housing costs per month
$1,211/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Sidney
$1,094/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Sidney

Sidney education at a glance

About 36.2% of the population in Sidney went to high school, while 24.4% pursued college studies. Another 14.4% earned an associate degree and 13.4% hold a bachelor’s. Meanwhile, 10.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 10 1.4% -28.6%
High school diploma 267 36.2% 19.7%
College diploma 180 24.4% 3.5%
Associate degree 106 14.4% 5.0%
Bachelor's degree 99 13.4% 15.1%
Graduate degree 75 10.2% 17.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sidney

How much people earn in Sidney

The average annual household income in Sidney was $103,661 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.9% change from the previous year. At the same time, the median income stood at $88,618, reflecting a +5.4% shift over the same period.

Average household income in Sidney
$103,661/year
6.9% year-over-year change
Median household income in Sidney
$88,618/year
5.4% year-over-year change

Sidney income by age

In Sidney, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $89,934. Those with someone between 45 and 64 in charge, often well established professionally, earn $106,429 overall. Overall, 95.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $89,934 3.7%
45 - 64 $106,429 -15.1%
Over 65 $71,250 38.2%
Above poverty level
880
Below poverty level
40
Value Percent YoY
change
Above poverty level 880 95.6% 10.6%
Below poverty level 40 4.4% 14.3%

Average renter income in Sidney

To get a better sense of what renters earn on average in Sidney, their median household income was $56,875 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$56,875
Rent-to-income ratio
23.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Sidney

Workforce and job types in Sidney

The job market in Sidney is powered by 495 working residents, spread across a range of industries and roles. 80% of the working population are employed in professional or administrative positions, while 20% are in hands-on or service-based jobs. Also, 5.4% run their own businesses, 60.2% are employed by private companies, and 19.6% work in the public sector.

Workforce demographics

Working population
495
18.1% year-over-year change
White collar
396
Blue collar
99
Value Percent YoY change
White collar 396 80% 22.6%
Blue collar 99 20% 3.1%
Employer type
Self employees
5.4%
Private companies
60.2%
Governmental workers
19.6%
Not for profit companies
14.8%
Value Percent YoY change
Self employees 27 5.4% -12.9%
Private companies 298 60.2% 19.2%
Governmental workers 97 19.6% 15.5%
Not for profit companies 73 14.8% 35.2%
Unemployment rate
4.6%
4.3% year-over-year change

Available workforce

The unemployment rate in Sidney stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Sidney

How people get around in Sidney

Commuting methods vary: 91.6% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 448 91.6% 15.2%
Walk 9 1.8% 28.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sidney by zipcode?

Zipcode Population Number of households Median income Average income
61877 1,106 452 $96,750 $119,801

Explore more communities

FAQs about Sidney demographics 

What is the total population of Sidney?

Sidney has a total population of 936 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +10.2% compared to a year ago.

What is the gender ratio in Sidney?

The gender ratio in Sidney is as follows:
  • 49.8% males (466 residents)
  • 50.2% females (470 residents)

What is the median age in Sidney?

The median age in Sidney is 39.6.

What is the age distribution of the population in Sidney?

The age distribution in Sidney is as follows:
  • Under 15: 18.2% (170 residents)
  • Ages 15-24: 8.6% (80 residents)
  • Ages 25-44: 29.9% (280 residents)
  • Ages 45-64: 25.8% (241 residents)
  • Over 65: 17.6% (165 residents)

What is the racial and ethnic makeup of Sidney?

The racial and ethnic makeup of Sidney is as follows:
  • White: 96.8% (906 residents)
  • Black or African American: 0.2% (2 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.5% (5 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.4% (13 residents)
  • Other: 1.1% (10 residents)

What percentage of the population in Sidney are U.S.-born citizens?

U.S.-born citizens represent 99% of the population in Sidney.

How many housing units are there in Sidney?

There are 409 housing units in Sidney, reflecting a +4.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sidney and what is the average household size?

Sidney has a total of 375 households, with an average of 2 people in each.

What is the median household income in Sidney?

Sidney has a median household income of $88,618, representing a +5.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Sidney?

The employment rate is 95.4% in Sidney, with a workforce of 495 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 80% (396 residents)
  • Blue-collar workers: 20% (99 residents)

Places of employment:
  • Self-employed: 5.4% (27 residents)
  • Private companies: 60.2% (298 residents)
  • Governmental workers: 19.6% (97 residents)
  • Not-for-profit companies: 14.8% (73 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025