Sullivan, IL · standard
ZIP Code 61951
Moultrie County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,017
- 23/sq mi Moderate-density area
- $71,905
- Median income Near-median income area
- $150,900
- Median home value Below-median home value
- 22.2%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Sullivan pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 50%
- household income, US ZIPs
- 26th pct
- home value, US ZIPs
- 23
- people per sq mi
- 78%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61951 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 61951 (Sullivan, IL) fell -1.6% from 2023 to 2024. The all-transactions index moved from 167.8 in 2023 to 165.1 in 2024 (2000 = 100).
ZIP code 61951 is a mid-sized community (a standard USPS delivery area) in Sullivan, Moultrie County, Illinois, home to 8,017 residents across 348.6 square miles, a density of 23 people per square mile, in the Chicago time zone.
ZIP 61951 lands in the middle-income range, with a median household income of $71,905 (10% below the average Illinois ZIP), while per-capita income is $40,169. Both reported hardship measures are comparatively low in absolute terms: poverty is 7.1% and unemployment is 1.7%. Home values sit below the statewide ZIP benchmark: the median is $150,900 (21% below the average Illinois ZIP), and median rent is $825; owner occupancy is 78.2%.
Educational attainment sits below the national norm: 22.2% of adults hold a bachelor's degree or higher, the median age is 40.6, and the average commute is 19 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 4 more in Moultrie County, so 61951 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 61951
Top 5 sectors by establishment count in Sullivan, IL
Which industries have the most business establishments in ZIP 61951.
- Construction
Construction
33 establishments
- Health care and social assistance
Health care and social assistance
25 establishments
- Manufacturing
Manufacturing
23 establishments
- Retail trade
Retail trade
22 establishments
- Other services (except public administration)
Other services (except public administration)
21 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 61951, Sullivan, 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
8,017
Population
348.6
Area (sq mi)
23
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61951?
40.6
Median Age
50.5%
Male
49.5%
Female
0.5%
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?
$71,905
Median Household Income
-10% vs state ZIP avg
$40,169
Per Capita Income
7.1%
Poverty Rate
1.7%
Unemployment Rate
19.3 min
Mean Commute Time
How ZIP 61951 ranks among Illinois ZIPs
Sullivan, 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)
$71,905 45th percentile higher than 45% 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
3,271housing units
3,271
Total Housing Units
3,078
Occupied Units
193
Vacant Units
2.43
Avg Household Size
Occupancy Type
$150,900
Median Home Value
-21% vs state ZIP avg
$825
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
-1.6%
YoY Change (2024)
165
HPI Index (2000 = 100)
+65%
Total Change Since 2000
Home values in ZIP 61951 have decreased 1.6% over the past year (2024). Since 2000, this ZIP has seen +65% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +8.3% | 141 |
| 2021 | +2.9% | 145 |
| 2022 | +10.4% | 160 |
| 2023 | +5.0% | 168 |
| 2024 | -1.6% | 165 |
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 201 business establishments in ZIP 61951, employing approximately 3,540 people with a combined annual payroll of $183,597,000.
201
Businesses
3,540
Employees
$183.6M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 33 | 16.4% |
| Health care and social assistance | 25 | 12.4% |
| Manufacturing | 23 | 11.4% |
| Retail trade | 22 | 10.9% |
| Other services (except public administration) | 21 | 10.4% |
| Accommodation and food services | 18 | 9.0% |
| Finance and insurance | 13 | 6.5% |
| Administrative and support and waste management and remediation services | 11 | 5.5% |
| Professional, scientific, and technical services | 9 | 4.5% |
| Wholesale trade | 8 | 4.0% |
| Real estate and rental and leasing | 5 | 2.5% |
| Arts, entertainment, and recreation | 5 | 2.5% |
| Information | 4 | 2.0% |
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 61951 vs 61937 →
ZIP 61951 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61951
Sullivan (61951)
8,017 residents
- 61911
Arthur (61911)
4,860 residents
- 61937 2,022
Lovington (61937)
2,022 residents
- 61928 757
Gays (61928)
757 residents
What this shows Among its immediate neighbors, ZIP 61951 ranks the most populous - useful context the national average alone can't give.
ZIP 61951 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61928
Gays (61928)
$118,271 median income
- 61911
Arthur (61911)
$82,633 median income
- 61951
Sullivan (61951)
$71,905 median income
- 61937
Lovington (61937)
$61,295 median income
What this shows By household income, ZIP 61951 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 61951, 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 (8,017 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Moultrie County
Related Areas
Frequently Asked Questions
What county is ZIP code 61951 in?
ZIP code 61951 (Sullivan) is located in Moultrie County, Illinois. Moultrie County contains multiple ZIP codes, see the full list at /counties/moultrie-il.
What is the population of ZIP code 61951?
ZIP code 61951 in Sullivan, IL has a population of 8,017 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61951?
The median household income in ZIP 61951 is $71,905, which is 6% below the national average of $76,288.
What is the average home value in ZIP 61951?
The median home value in ZIP 61951 is $150,900, which is 46% below the national average of $278,155.
What is the demographic makeup of ZIP 61951?
The largest racial group in ZIP 61951 is White at 96.4%. Hispanic or Latino residents make up 0.8% of the population.
How many businesses are in ZIP code 61951?
ZIP code 61951 has 201 business establishments employing approximately 3,540 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 61951?
The top industries by establishment count in ZIP 61951 are: Construction (33), Health care and social assistance (25), Manufacturing (23). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 61951?
According to the FHFA House Price Index, home values in ZIP 61951 decreased by 1.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 65%. 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 61951?
In ZIP code 61951, 57.9% of residents aged 25+ have a high school diploma or higher, and 22.2% 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 61951?
The mean commute time for workers in ZIP code 61951 is 19.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 61951?
In ZIP code 61951, approximately 78.2% of occupied housing units are owner-occupied and 21.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61951?
The poverty rate in ZIP code 61951 is 7.1% 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 61951's numbers, next.
- See how ZIP 61951 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sullivan, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.