Lyndon, IL · standard
ZIP Code 61261
Whiteside County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 975
- 21/sq mi Moderate-density area
- $64,375
- Median income Near-median income area
- $134,100
- Median home value Below-median home value
- 22.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Lyndon pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 37th pct
- household income, US ZIPs
- 21st pct
- home value, US ZIPs
- 21
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61261 against every reporting US ZIP.
ZIP code 61261 is a sparsely populated ZIP (a standard USPS delivery area) in Lyndon, Whiteside County, Illinois, home to just 975 residents across 46.4 square miles, a density of 21 people per square mile, in the Chicago time zone.
ZIP 61261 reports a modest median household income of $64,375 (20% below the average Illinois ZIP), while per-capita income is $39,594. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.9% and unemployment is 0.0%. Home values sit below the statewide ZIP benchmark: the median is $134,100 (30% below the average Illinois ZIP); owner occupancy is 89.3%.
Educational attainment sits below the national norm: 22.9% of adults hold a bachelor's degree or higher, the median age is 60, and the average commute is 32 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Whiteside County, so 61261 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 61261, Lyndon, 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
975
Population
46.4
Area (sq mi)
21
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61261?
60.0
Median Age
46.8%
Male
53.2%
Female
3.2%
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?
$64,375
Median Household Income
-20% vs state ZIP avg
$39,594
Per Capita Income
2.9%
Poverty Rate
0.0%
Unemployment Rate
31.8 min
Mean Commute Time
How ZIP 61261 ranks among Illinois ZIPs
Lyndon, 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)
$64,375 31st percentile higher than 31% 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
417housing units
417
Total Housing Units
327
Occupied Units
90
Vacant Units
2.01
Avg Household Size
Occupancy Type
$134,100
Median Home Value
-30% vs state ZIP avg
1967
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 14 business establishments in ZIP 61261, employing approximately 99 people with a combined annual payroll of $4,717,000.
14
Businesses
99
Employees
$4.7M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Wholesale trade | 4 | 28.6% |
| Transportation and warehousing | 3 | 21.4% |
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 61261 vs 61277 →
ZIP 61261 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61270
Morrison (61270)
7,306 residents
- 61277
Prophetstown (61277)
3,355 residents
- 61283 1,640
Tampico (61283)
1,640 residents
- 61261 975
Lyndon (61261)
975 residents
What this shows Among its immediate neighbors, ZIP 61261 ranks #4 by population - useful context the national average alone can't give.
ZIP 61261 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61270
Morrison (61270)
$80,867 median income
- 61277
Prophetstown (61277)
$70,363 median income
- 61261
Lyndon (61261)
$64,375 median income
- 61283
Tampico (61283)
$64,063 median income
What this shows By household income, ZIP 61261 ranks #3 of 4 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 61261, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Whiteside County
Related Areas
Frequently Asked Questions
What county is ZIP code 61261 in?
ZIP code 61261 (Lyndon) is located in Whiteside County, Illinois. Whiteside County contains multiple ZIP codes, see the full list at /counties/whiteside-il.
What is the population of ZIP code 61261?
ZIP code 61261 in Lyndon, IL has a population of 975 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61261?
The median household income in ZIP 61261 is $64,375, which is 16% below the national average of $76,288.
What is the average home value in ZIP 61261?
The median home value in ZIP 61261 is $134,100, which is 52% below the national average of $278,155.
What is the demographic makeup of ZIP 61261?
The largest racial group in ZIP 61261 is White at 91.3%. Hispanic or Latino residents make up 13.0% of the population.
How many businesses are in ZIP code 61261?
ZIP code 61261 has 14 business establishments employing approximately 99 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61261?
In ZIP code 61261, 54.8% of residents aged 25+ have a high school diploma or higher, and 22.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 61261?
The mean commute time for workers in ZIP code 61261 is 31.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 61261?
In ZIP code 61261, approximately 89.3% of occupied housing units are owner-occupied and 10.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61261?
The poverty rate in ZIP code 61261 is 2.9% 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 61261's numbers, next.
- See how ZIP 61261 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lyndon, 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.