Williamson County, IL ZIP Codes
18 ZIP codes cover all or part of Williamson County, Illinois. The Census Bureau counts 66,876 residents in the county, with a median household income of $65,604 and a median home value of $156,400. Median household income ranges from $35,089 in 62901 to $84,223 in 62902. Its largest communities include Carbondale, Marion, Herrin, Carterville and Johnston City.
Williamson County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 66,876 |
| Households | 28,983 |
| Median household income | $65,604 |
| Median home value | $156,400 |
| Median age | 41.6 |
| Median rent | $930 |
All 18 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 101,989 |
| Households (sum of ZIP codes) | 44,038 |
| Median household income, range across ZIP codes | $35,089 (62901) to $84,223 (62902) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $60,015 |
| Homeowners | 61.5% |
| Households with kids under 18 | 25.8% |
| Moved in the past year | 17.2% |
| Carrier routes in EDDM2GO's route library | 38 routes, 17,504 homes (8 of 18 ZIP codes) |
Top facts
- Highest median household income in Williamson County: 62902 ($84,223)
- Most residents: 62959 (27,793 people)
- Highest homeownership: 62987 (87.2% own their home)
- Most households with kids: 62987 (41.1% of households)
- Most new movers: 62901 (34.3% moved in last year)
- Youngest median age: 62901 (25.2 years)
- Highest median home value: 62902 ($207,800)
Every ZIP code in Williamson County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 62959 | Marion | 27,793 | 11,953 | $71,063 | $174,800 | 71.0% | 29.9% | 12.5% | — | — | 100% of its land |
| 62901 | Carbondale | 22,946 | 9,910 | $35,089 | $146,600 | 30.0% | 17.2% | 34.3% | — | — | 11% of its land |
| 62948 | Herrin | 12,758 | 5,729 | $60,975 | $116,700 | 66.3% | 27.9% | 16.7% | 12 | 6,117 | 100% of its land |
| 62918 | Carterville | 10,658 | 4,521 | $70,920 | $200,200 | 64.0% | 29.9% | 9.9% | 11 | 4,803 | 100% of its land |
| 62951 | Johnston City | 5,342 | 2,440 | $50,657 | $99,700 | 77.8% | 21.8% | 11.4% | — | — | 100% of its land |
| 62902 | Carbondale | 4,135 | 1,841 | $84,223 | $207,800 | 76.1% | 24.1% | 9.4% | 5 | 2,281 | 64% of its land |
| 62924 | De Soto | 3,168 | 1,304 | $70,357 | $103,000 | 59.0% | 31.4% | 8.0% | 2 | 1,156 | 12% of its land |
| 62922 | Creal Springs | 2,608 | 1,065 | $74,245 | $175,100 | 84.6% | 30.0% | 11.1% | 2 | 1,208 | 73% of its land |
| 62890 | Thompsonville | 2,377 | 989 | $54,271 | $108,100 | 71.6% | 28.5% | 19.3% | 3 | 1,098 | 23% of its land |
| 62917 | Carrier Mills | 2,303 | 986 | $50,119 | $73,400 | 78.3% | 19.2% | 12.3% | — | — | 22% of its land |
| 62958 | Makanda | 2,103 | 942 | $65,833 | $152,100 | 72.3% | 24.5% | 9.2% | 2 | 1,052 | 23% of its land |
| 62987 | Stonefort | 1,724 | 586 | $83,393 | $112,600 | 87.2% | 41.1% | 2.4% | — | — | 18% of its land |
| 62974 | Pittsburg | 1,536 | 559 | $64,107 | $199,100 | 83.0% | 33.6% | 15.4% | 1 | 545 | 100% of its land |
| 62933 | Energy | 1,101 | 484 | $67,794 | $156,100 | 80.4% | 24.2% | 6.7% | — | — | 100% of its land |
| 62949 | Hurst | 702 | 346 | $37,308 | $74,500 | 54.0% | 24.3% | 13.7% | — | — | 100% of its land |
| 62915 | Cambria | 384 | 215 | $31,875 | $106,700 | 47.0% | 23.7% | 25.5% | — | — | 100% of its land |
| 62921 | Colp | 233 | 115 | — | $75,000 | 77.4% | 20.9% | 0.4% | — | — | 100% of its land |
| 62841 | Freeman Spur | 118 | 53 | $31,750 | $60,600 | 96.2% | 32.1% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for Williamson County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Carbondale — 22,158 residents · 3 ZIP codes
- Marion — 16,836 residents · 1 ZIP code
- Herrin — 12,226 residents · 2 ZIP codes
- Carterville — 5,818 residents · 1 ZIP code
- Johnston City — 3,327 residents · 1 ZIP code
- Crainville — 1,641 residents · 1 ZIP code
- Cambria — 1,300 residents · 2 ZIP codes
- Energy — 1,050 residents · 1 ZIP code
- Hurst — 700 residents · 1 ZIP code
- Pittsburg — 682 residents · 2 ZIP codes
- Crab Orchard — 394 residents · 1 ZIP code
- Creal Springs — 324 residents · 1 ZIP code
- Whiteash — 301 residents · 1 ZIP code
- Spillertown — 246 residents · 1 ZIP code
- Blairsville — 231 residents · 1 ZIP code
- Colp — 223 residents · 2 ZIP codes
- Freeman Spur — 149 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in Williamson County — 14 ZIP codes ranked
- ZIP codes with the highest home values in Williamson County — 14 ZIP codes ranked
- ZIP codes with the highest homeownership in Williamson County — 14 ZIP codes ranked
- ZIP codes with the most families with kids in Williamson County — 14 ZIP codes ranked
- ZIP codes with the most new movers in Williamson County — 14 ZIP codes ranked
- Youngest ZIP codes in Williamson County — 14 ZIP codes ranked
- Oldest ZIP codes in Williamson County — 14 ZIP codes ranked
- Fastest-growing ZIP codes in Williamson County — 14 ZIP codes ranked
Price a mailing to Williamson County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Williamson County, IL?
- 62959, 62901, 62948, 62918, 62951, 62902, 62924, 62922, 62890, 62917, 62958, 62987, 62974, 62933, 62949, 62915, 62921 and 62841. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Williamson County?
- 66,876 residents in 28,983 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Williamson County?
- $65,604 for the county as a whole. Its ZIP codes range from $35,089 (62901) to $84,223 (62902).
- Which Williamson County ZIP code has the highest median household income?
- 62902, at $84,223, among ZIP codes with at least 1,000 residents. See the full ranking of Williamson County ZIP codes by income.
- How many carrier routes and mailboxes are in Williamson County?
- For the 8 of 18 ZIP codes in EDDM2GO's stored route library: 38 carrier routes reaching 17,504 residential and 764 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.