Sidney, IL · standard
ZIP Code 61877
Champaign County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,627
- 22/sq mi Moderate-density area
- $96,750
- Median income Above-median income area
- $209,700
- Median home value Near-median home value
- 24.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Sidney pairs an upper-quartile household income with below-median home values, in a rural, homeowner-dominated area.
- Top 21%
- household income, US ZIPs
- 46th pct
- home value, US ZIPs
- 22
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61877 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 61877 (Sidney, IL) rose +4.4% from 2023 to 2024. The all-transactions index moved from 177.2 in 2023 to 185.0 in 2024 (2000 = 100).
ZIP code 61877 covers 73.0 square miles in Sidney, Champaign County, Illinois (a standard USPS delivery area), with a modest 1,627 residents on file, a density of 22 people per square mile, in the Chicago time zone.
ZIP 61877 lands in the middle-income range, with a median household income of $96,750 (21% above the average Illinois ZIP), while per-capita income is $49,961. The poverty rate is 3.7%, with unemployment at 6.0%; those measures add context to the income figure. Median home value is $209,700 (9% above the average Illinois ZIP) and median rent is $1,094; 85.6% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 24.5% of adults hold a bachelor's degree or higher, the median age is 40.9, and the average commute is -. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Champaign County, so 61877 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 61877, Sidney, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,627
Population
73.0
Area (sq mi)
22
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61877?
40.9
Median Age
51.4%
Male
48.6%
Female
2.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$96,750
Median Household Income
+21% vs state ZIP avg
$49,961
Per Capita Income
3.7%
Poverty Rate
6.0%
Unemployment Rate
How ZIP 61877 ranks among Illinois ZIPs
Sidney, IL household income vs. every Illinois ZIP code
Median household income among 1,334 reporting Illinois ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$96,750 Top 22% higher than 78% of 1,334 Illinois ZIPs
Each bar is a $20K-wide band; taller bars hold more Illinois ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
486housing units
486
Total Housing Units
452
Occupied Units
34
Vacant Units
2.45
Avg Household Size
Occupancy Type
$209,700
Median Home Value
+9% vs state ZIP avg
$1,094
Median Rent
1966
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+4.4%
YoY Change (2024)
185
HPI Index (2000 = 100)
+85%
Total Change Since 2000
Home values in ZIP 61877 have increased 4.4% over the past year (2024). Since 2000, this ZIP has seen +85% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.0% | 137 |
| 2021 | +5.6% | 145 |
| 2022 | +0.5% | 146 |
| 2023 | +21.6% | 177 |
| 2024 | +4.4% | 185 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 21 business establishments in ZIP 61877, employing approximately 96 people with a combined annual payroll of $5,338,000.
21
Businesses
96
Employees
$5.3M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 6 | 28.6% |
| Other services (except public administration) | 4 | 19.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 61877 vs 61864 →
ZIP 61877 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61801
Urbana (61801)
30,937 residents
- 61802
Urbana (61802)
19,052 residents
- 61873 6,250
Saint Joseph (61873)
6,250 residents
- 61956 2,909
Villa Grove (61956)
2,909 residents
- 61849 1,842
Homer (61849)
1,842 residents
- 61864 1,715
Philo (61864)
1,715 residents
- 61877 1,627
Sidney (61877)
1,627 residents
- 61816 509
Broadlands (61816)
509 residents
- 61852 261
Longview (61852)
261 residents
What this shows Among its immediate neighbors, ZIP 61877 ranks #7 by population - useful context the national average alone can't give.
ZIP 61877 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61873
Saint Joseph (61873)
$117,578 median income
- 61864
Philo (61864)
$110,139 median income
- 61877
Sidney (61877)
$96,750 median income
- 61849
Homer (61849)
$86,250 median income
- 61956
Villa Grove (61956)
$75,125 median income
- 61816
Broadlands (61816)
$70,833 median income
- 61802
Urbana (61802)
$61,620 median income
- 61801 $36,180
Urbana (61801)
$36,180 median income
What this shows By household income, ZIP 61877 ranks #3 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 61877, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,627 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Champaign County
Related Areas
Frequently Asked Questions
What county is ZIP code 61877 in?
ZIP code 61877 (Sidney) is located in Champaign County, Illinois. Champaign County contains multiple ZIP codes, see the full list at /counties/champaign-il.
What is the population of ZIP code 61877?
ZIP code 61877 in Sidney, IL has a population of 1,627 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61877?
The median household income in ZIP 61877 is $96,750, which is 27% above the national average of $76,288.
What is the average home value in ZIP 61877?
The median home value in ZIP 61877 is $209,700, which is 25% below the national average of $278,155.
What is the demographic makeup of ZIP 61877?
The largest racial group in ZIP 61877 is White at 97.3%. Hispanic or Latino residents make up 5.1% of the population.
How many businesses are in ZIP code 61877?
ZIP code 61877 has 21 business establishments employing approximately 96 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 61877?
According to the FHFA House Price Index, home values in ZIP 61877 increased by 4.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 85%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 61877?
In ZIP code 61877, 56.6% of residents aged 25+ have a high school diploma or higher, and 24.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 61877?
In ZIP code 61877, approximately 85.6% of occupied housing units are owner-occupied and 14.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61877?
The poverty rate in ZIP code 61877 is 3.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 61877's numbers, next.
- See how ZIP 61877 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sidney, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.