IL · Healthcare shortage profile
Williamson County, IL
The clinician FTE gap is the sharpest number here: closing Williamson County's active designations would take about 28 additional FTEs on HRSA's providers_needed estimate. Population 67,153.
- Active HPSAs
- 21
- Population
- 67,153
- Peak shortage score
- 23.0
- MUA Index
- 62.0
Heavy-burden verdict
According to current HRSA Data Warehouse records, Williamson County ranks among the most underserved counties in the country - 21 active HPSA designations, more than 95% of the 3,289 real US counties, with primary care the deepest gap.
- 21
- Active HPSA designations
- 7
- Dental shortages
- 23
- Peak severity score (of 26)
- Top 5%
- US counties by volume
Key findings
What the HRSA Data Warehouse does not surface for Williamson County, IL on its own pages , computed from the retained designation mirror as of 2026-08-15. Each line carries its own denominator so it can be quoted as it stands.
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Peak HPSA score 23.0 clears HRSA's 17-point high-priority line.
Scores at or above 17 on the 0–25/26 scales open NHSC placement priority for the matching provider type; eligibility still follows the designated area, not the county boundary alone.
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Closing Williamson County's active designations would take about 28 additional clinician FTEs, with mental health the largest gap.
HRSA providers_needed summed once per HPSA id (no double-count across status rows): 5.5 primary care, 18 mental health, 4.9 dental. This is the federal gap estimate, not a headcount of practising clinicians.
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33.3% of Williamson County's 21 active designations are primary care.
Discipline mix from designated HPSA records only: 7 primary care, 7 mental health, 7 dental (denominator 21).
Dense ZCTA lattice over Williamson County
Williamson County intersects 22 Census ZCTAs, above the 15-ZIP dense-tercile cut. Shortage designations still attach at the county (or smaller HPSA) grain; the ZIP list is geography, not a second severity score.
Largest land-share ZCTAs in this county
10 additional ZCTAs intersect this county in the crosswalk (ordered by land share).
Source: Census ZCTA–county relationship file joined to this portal's county FIPS set. As of 2026-08-15.
Corpus placement
Active-designation volume placement
According to current HRSA Data Warehouse records, Williamson County carries 21 active designations, above 95% of real US counties. Use the state peer line below before treating the national percentile as a local access verdict.
State peer position. Williamson County sits among the top three county rank positions in IL, at rank 2 of 102. Ties share a rank.
Computed from current designated HPSA rows for every five-digit county FIPS. See the placement methodology.
Healthcare shortage designations from HRSA. FIPS: 17199. Population: 67,153.
Medically Underserved Area
Peak severity scores
Current designated records only. Scores range 0–25 (primary/mental health), 0–26 (dental). Higher = greater need. What counts as a high score?
Highest-severity HPSA designations
All 21 active (designated) HPSAs in Williamson County, ranked by HRSA shortage score.
| Name | Type | Score |
|---|---|---|
| Shawnee Health Service And Development Corporation | dental | 23.0 |
| Shawnee Health Service And Development Corporation | primary_care | 21.0 |
| Usp - Marion | mental_health | 21.0 |
| Shawnee Health Service And Development Corporation | mental_health | 20.0 |
| Heartland Pediatrics | primary_care | 18.0 |
| Logan Primary Care | primary_care | 18.0 |
| Harrisburg Medical Center, Inc | primary_care | 18.0 |
| Pediatric Group | primary_care | 18.0 |
| Harrisburg Medical Center, Inc | mental_health | 17.0 |
| Heartland Pediatrics | mental_health | 17.0 |
| Logan Primary Care | mental_health | 17.0 |
| Pediatric Group | mental_health | 17.0 |
| Heartland Pediatrics | dental | 17.0 |
| Pediatric Group | dental | 17.0 |
| Logan Primary Care | dental | 17.0 |
| Harrisburg Medical Center, Inc | dental | 17.0 |
| Southern IL Mhca | mental_health | 16.0 |
| LI- Williamson County | dental | 15.0 |
| LI - Williamson County | primary_care | 14.0 |
| Usp - Marion | primary_care | 12.0 |
| Usp - Marion | dental | 12.0 |
Heavy-burden reading for Williamson County
The clinician FTE gap is the sharpest number here: closing Williamson County's active designations would take about 28 additional FTEs on HRSA's providers_needed estimate. Dental care carries Williamson County's deepest shortage reading, 23.0 on HRSA's 0–26 dental scale, past the 17-point line HRSA uses to open National Health Service Corps placement and enhanced Medicare reimbursement. Primary care reads 21.0 of 25; Mental health reads 21.0 of 25. The county also sits inside a Medically Underserved Area, indexed at 62.0, and the lower the index, the greater the measured need.
Volume places Williamson County above 95% of real US counties (21 active designations: 7 primary care, 7 mental health, 7 dental). Peak severity on the current designated set is 23.0. The table on this page lists the highest-severity records first so a reader can see which named facilities, geographies, or population groups drive that burden without treating the county total as a personal appointment forecast.
Williamson County sits among the top three county rank positions in IL, at rank 2 of 102. Heavy-burden counties are where NHSC placement, Community Health Center grant geography, and related federal instruments concentrate; eligibility still follows the designated area and provider type, not the county boundary alone.
Williamson County designations by care type
Active Health Professional Shortage Area designations in the county, by provider category (high-priority disciplines emphasized).
- Primary care
Primary care
7 designations
- Mental health
Mental health
7 designations
- Dental
Dental
7 designations
Heavy-volume FTE gap in Williamson County
Signature reading: HRSA providers_needed sums to about 28 FTE across Williamson County's active designations (once per HPSA id), a federal gap estimate, not practising headcount.
Source: HRSA Data Warehouse, Health Professional Shortage Areas (HPSA) + Medically Underserved Areas/Populations (MUA/P) HPSA primary-care, mental-health, and dental designations for Williamson County, IL · 2026 HRSA designation data updated quarterly; HPSA scores 0-25 (primary/mental) and 0-26 (dental); higher = greater shortage severity. Coverage tiers from U.S. Census ACS PUMS + KFF state tracker.
Acting on a heavy-burden county
Williamson County's shortage designations unlock specific federal programs and comparisons, here is how to act on them.
- Williamson County's 21 active designations make providers here eligible for National Health Service Corps loan repayment, estimate the award and service terms. NHSC estimator
- See how the county's primary care burden compares with the rest of IL before you draw conclusions from a single score. IL overview
- Check whether an area clears HRSA's 3,500:1 population-to-provider threshold with the provider-to-population ratio behind an HPSA score. HPSA score lookup
HPSA scores describe shortage severity within HRSA's designation criteria, not the availability of any individual provider. For a specific appointment, contact a provider or your insurer; use HRSA's current tools to verify a designation.
Counties With a Similar Dental Shortage Score
Other U.S. counties whose active HRSA dental HPSA score is closest to Williamson County's 23.0. This compares the designation score only, not local appointment availability or care quality. Start with Kern County, CA and Prince William County, VA.
Showing 6 of 2744 counties nationally with an active designation this severe.
Counties with a matching designation count to Williamson County's 21
One peer set for this FTE-led county: nearest active designation count to 21 - the inventory behind the ~28 FTE published need.
Frequently Asked Questions
- Does Williamson County's MUA standing sit beside its HPSA records?
- Yes - Williamson County carries an MUA designation (index 62.0; lower = greater measured need) in addition to its HPSA rows. MUA and HPSA are separate HRSA tracks; both can open different federal pathways.
- Where is the largest clinician FTE gap inside Williamson County?
- Id-de-duped providers_needed across active HPSAs totals ~28 FTE, with mental health the largest slice (18). "SHAWNEE HEALTH SERVICE AND DEVELOPMENT CORPORATION" is the highest-scored active row (score 23.0; dental; 41,984 people in the service area; designated 10/26/2002). This is HRSA's published gap, not a headcount of practising clinicians.
- Which named designations drive Williamson County's FTE reading?
- Active names on this release include "SHAWNEE HEALTH SERVICE AND DEVELOPMENT CORPORATION", "SHAWNEE HEALTH SERVICE AND DEVELOPMENT CORPORATION", "USP - Marion" and "SHAWNEE HEALTH SERVICE AND DEVELOPMENT CORPORATION". Discipline counts: 7 primary care, 7 mental health, 7 dental across 21 designated rows.
- Do Williamson County's FTE gaps unlock federal programs?
- Yes where an ACTIVE designation exists, NHSC, CHC grants, Medicare bonus and J-1 waivers follow the designated geography and provider type. A published FTE gap without an active row does not, by itself, open those pathways.
- How does Williamson County's FTE burden compare inside IL?
- 21 active designations and ~28 FTE published need. Williamson County sits among the top three county rank positions in IL, at rank 2 of 102. Score-nearest counties on this release include Kern County, CA and Prince William County, VA.
Source: HRSA Data Warehouse. FIPS: 17199. This county’s designations come from BCD_HPSA_FCT_DET_PC.csv (primary care) , BCD_HPSA_FCT_DET_MH.csv (mental health) and BCD_HPSA_FCT_DET_DH.csv (dental) — download the normalized export on our open data page. PlainHealthAccess is not affiliated with HRSA or any government agency.
HRSA Data Warehouse HPSA + MUA/P records for FIPS 17199 (Williamson County, IL), vintage 2026-08-15. Active designation count 21; peak score 23.0; signature 28 FTE gap. This profile is reference material, not professional advice; see methodology.