Knoxville, IL · standard
ZIP Code 61448
Knox County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,823
- 35/sq mi Moderate-density area
- $82,500
- Median income Near-median income area
- $146,100
- Median home value Below-median home value
- 24.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Knoxville pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- Top 35%
- household income, US ZIPs
- 24th pct
- home value, US ZIPs
- 35
- people per sq mi
- 87%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61448 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 61448 (Knoxville, IL) rose +22.9% from 2023 to 2024. The all-transactions index moved from 147.3 in 2023 to 180.9 in 2024 (2000 = 100).
ZIP code 61448 covers 109.2 square miles in Knoxville, Knox County, Illinois (a standard USPS delivery area), with a modest 3,823 residents on file, a density of 35 people per square mile, in the Chicago time zone.
ZIP 61448 lands in the middle-income range, with a median household income of $82,500 (3% above the average Illinois ZIP), while per-capita income is $35,509. The poverty rate is 8.9%, with unemployment at 4.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $146,100 (24% below the average Illinois ZIP), and median rent is $614; owner occupancy is 86.6%.
Educational attainment sits below the national norm: 24.0% of adults hold a bachelor's degree or higher, the median age is 45.2, and the average commute is -. The page also surfaces 9 ZIP codes within roughly 10 miles and 6 more in Knox County, so 61448 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 →
Top industries in ZIP 61448
Top 5 sectors by establishment count in Knoxville, IL
Which industries have the most business establishments in ZIP 61448.
- Other services (except public administration)
Other services (except public administration)
12 establishments
- Construction
Construction
9 establishments
- Retail trade
Retail trade
7 establishments
- Health care and social assistance
Health care and social assistance
7 establishments
- Accommodation and food services
Accommodation and food services
7 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 61448, Knoxville, 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
3,823
Population
109.2
Area (sq mi)
35
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61448?
45.2
Median Age
45.8%
Male
54.2%
Female
0.9%
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?
$82,500
Median Household Income
+3% vs state ZIP avg
$35,509
Per Capita Income
8.9%
Poverty Rate
4.7%
Unemployment Rate
How ZIP 61448 ranks among Illinois ZIPs
Knoxville, 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)
$82,500 Top 38% higher than 62% 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
1,864housing units
1,864
Total Housing Units
1,736
Occupied Units
128
Vacant Units
2.19
Avg Household Size
Occupancy Type
$146,100
Median Home Value
-24% vs state ZIP avg
$614
Median Rent
1971
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
+22.9%
YoY Change (2024)
181
HPI Index (2000 = 100)
+81%
Total Change Since 2000
Home values in ZIP 61448 have increased 22.9% over the past year (2024). Since 2000, this ZIP has seen +81% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.0% | 126 |
| 2021 | +4.4% | 131 |
| 2022 | +9.2% | 143 |
| 2023 | +2.9% | 147 |
| 2024 | +22.9% | 181 |
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 59 business establishments in ZIP 61448, employing approximately 312 people with a combined annual payroll of $10,403,000.
59
Businesses
312
Employees
$10.4M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 12 | 20.3% |
| Construction | 9 | 15.3% |
| Retail trade | 7 | 11.9% |
| Health care and social assistance | 7 | 11.9% |
| Accommodation and food services | 7 | 11.9% |
| Finance and insurance | 5 | 8.5% |
| Administrative and support and waste management and remediation services | 3 | 5.1% |
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 61448 vs 61430 →
ZIP 61448 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61401
Galesburg (61401)
34,788 residents
- 61410 3,912
Abingdon (61410)
3,912 residents
- 61448 3,823
Knoxville (61448)
3,823 residents
- 61488 1,120
Wataga (61488)
1,120 residents
- 61467 1,048
Oneida (61467)
1,048 residents
- 61428 986
Dahinda (61428)
986 residents
- 61436 951
Gilson (61436)
951 residents
- 61430 828
East Galesburg (61430)
828 residents
- 61485 560
Victoria (61485)
560 residents
What this shows Among its immediate neighbors, ZIP 61448 ranks #3 by population - useful context the national average alone can't give.
ZIP 61448 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61467
Oneida (61467)
$88,472 median income
- 61448
Knoxville (61448)
$82,500 median income
- 61430
East Galesburg (61430)
$79,333 median income
- 61428
Dahinda (61428)
$77,143 median income
- 61436
Gilson (61436)
$76,000 median income
- 61488
Wataga (61488)
$68,333 median income
- 61410
Abingdon (61410)
$62,925 median income
- 61485
Victoria (61485)
$59,306 median income
- 61439
Henderson (61439)
$59,125 median income
What this shows By household income, ZIP 61448 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 61430 | East Galesburg, IL | 828 | 3.4 mi |
| 61436 | Gilson, IL | 951 | 5.2 mi |
| 61428 | Dahinda, IL | 986 | 7.3 mi |
| 61467 | Oneida, IL | 1,048 | 9.7 mi |
| 61401 | Galesburg, IL | 34,788 | 7.2 mi |
| 61488 | Wataga, IL | 1,120 | 7.8 mi |
| 61439 | Henderson, IL | 269 | 8.7 mi |
| 61485 | Victoria, IL | 560 | 9.8 mi |
| 61410 | Abingdon, IL | 3,912 | 12.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 61448, 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 (3,823 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Knox County
Related Areas
Frequently Asked Questions
What county is ZIP code 61448 in?
ZIP code 61448 (Knoxville) is located in Knox County, Illinois. Knox County contains multiple ZIP codes, see the full list at /counties/knox-il.
What is the population of ZIP code 61448?
ZIP code 61448 in Knoxville, IL has a population of 3,823 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61448?
The median household income in ZIP 61448 is $82,500, which is 8% above the national average of $76,288.
What is the average home value in ZIP 61448?
The median home value in ZIP 61448 is $146,100, which is 47% below the national average of $278,155.
What is the demographic makeup of ZIP 61448?
The largest racial group in ZIP 61448 is White at 96.6%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 61448?
ZIP code 61448 has 59 business establishments employing approximately 312 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 61448?
The top industries by establishment count in ZIP 61448 are: Other services (except public administration) (12), Construction (9), Retail trade (7). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 61448?
According to the FHFA House Price Index, home values in ZIP 61448 increased by 22.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 81%. 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 61448?
In ZIP code 61448, 59.9% of residents aged 25+ have a high school diploma or higher, and 24.0% 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 61448?
In ZIP code 61448, approximately 86.6% of occupied housing units are owner-occupied and 13.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61448?
The poverty rate in ZIP code 61448 is 8.9% 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 61448's numbers, next.
- See how ZIP 61448 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Knoxville, 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.